[cig-commits] commit: process input in separate module and account for command-line arguments

Mercurial hg at geodynamics.org
Tue Sep 20 12:13:05 PDT 2011


changeset:   9:7596917b8776
user:        Sylvain Barbot <sylbar.vainbot at gmail.com>
date:        Tue Apr 26 15:00:49 2011 -0700
files:       .bzrignore .doxygen elastic3d.f90 examples/run1.sh makefile_imkl relax.f90 types.f90
description:
process input in separate module and account for command-line arguments


diff -r 9992112ff05a -r 7596917b8776 .bzrignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.bzrignore	Tue Apr 26 15:00:49 2011 -0700
@@ -0,0 +1,5 @@
+*.o
+*.mod
+*~
+doc
+./relax
diff -r 9992112ff05a -r 7596917b8776 .doxygen
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.doxygen	Tue Apr 26 15:00:49 2011 -0700
@@ -0,0 +1,1417 @@
+# Doxyfile 1.5.6
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project
+#
+# All text after a hash (#) is considered a comment and will be ignored
+# The format is:
+#       TAG = value [value, ...]
+# For lists items can also be appended using:
+#       TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (" ")
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+
+# This tag specifies the encoding used for all characters in the config file 
+# that follow. The default is UTF-8 which is also the encoding used for all 
+# text before the first occurrence of this tag. Doxygen uses libiconv (or the 
+# iconv built into libc) for the transcoding. See 
+# http://www.gnu.org/software/libiconv for the list of possible encodings.
+
+DOXYFILE_ENCODING      = UTF-8
+
+# The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
+# by quotes) that should identify the project.
+
+PROJECT_NAME           = RELAX
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number. 
+# This could be handy for archiving the generated documentation or 
+# if some version control system is used.
+
+PROJECT_NUMBER         = 
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
+# base path where the generated documentation will be put. 
+# If a relative path is entered, it will be relative to the location 
+# where doxygen was started. If left blank the current directory will be used.
+
+OUTPUT_DIRECTORY       = doc
+
+# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 
+# 4096 sub-directories (in 2 levels) under the output directory of each output 
+# format and will distribute the generated files over these directories. 
+# Enabling this option can be useful when feeding doxygen a huge amount of 
+# source files, where putting all generated files in the same directory would 
+# otherwise cause performance problems for the file system.
+
+CREATE_SUBDIRS         = NO
+
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all 
+# documentation generated by doxygen is written. Doxygen will use this 
+# information to generate all constant output in the proper language. 
+# The default language is English, other supported languages are: 
+# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, 
+# Croatian, Czech, Danish, Dutch, Farsi, Finnish, French, German, Greek, 
+# Hungarian, Italian, Japanese, Japanese-en (Japanese with English messages), 
+# Korean, Korean-en, Lithuanian, Norwegian, Macedonian, Persian, Polish, 
+# Portuguese, Romanian, Russian, Serbian, Slovak, Slovene, Spanish, Swedish, 
+# and Ukrainian.
+
+OUTPUT_LANGUAGE        = English
+
+# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will 
+# include brief member descriptions after the members that are listed in 
+# the file and class documentation (similar to JavaDoc). 
+# Set to NO to disable this.
+
+BRIEF_MEMBER_DESC      = YES
+
+# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend 
+# the brief description of a member or function before the detailed description. 
+# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the 
+# brief descriptions will be completely suppressed.
+
+REPEAT_BRIEF           = YES
+
+# This tag implements a quasi-intelligent brief description abbreviator 
+# that is used to form the text in various listings. Each string 
+# in this list, if found as the leading text of the brief description, will be 
+# stripped from the text and the result after processing the whole list, is 
+# used as the annotated text. Otherwise, the brief description is used as-is. 
+# If left blank, the following values are used ("$name" is automatically 
+# replaced with the name of the entity): "The $name class" "The $name widget" 
+# "The $name file" "is" "provides" "specifies" "contains" 
+# "represents" "a" "an" "the"
+
+ABBREVIATE_BRIEF       = 
+
+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then 
+# Doxygen will generate a detailed section even if there is only a brief 
+# description.
+
+ALWAYS_DETAILED_SEC    = NO
+
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all 
+# inherited members of a class in the documentation of that class as if those 
+# members were ordinary class members. Constructors, destructors and assignment 
+# operators of the base classes will not be shown.
+
+INLINE_INHERITED_MEMB  = NO
+
+# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full 
+# path before files name in the file list and in the header files. If set 
+# to NO the shortest path that makes the file name unique will be used.
+
+FULL_PATH_NAMES        = YES
+
+# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag 
+# can be used to strip a user-defined part of the path. Stripping is 
+# only done if one of the specified strings matches the left-hand part of 
+# the path. The tag can be used to show relative paths in the file list. 
+# If left blank the directory from which doxygen is run is used as the 
+# path to strip.
+
+STRIP_FROM_PATH        = 
+
+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of 
+# the path mentioned in the documentation of a class, which tells 
+# the reader which header file to include in order to use a class. 
+# If left blank only the name of the header file containing the class 
+# definition is used. Otherwise one should specify the include paths that 
+# are normally passed to the compiler using the -I flag.
+
+STRIP_FROM_INC_PATH    = 
+
+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter 
+# (but less readable) file names. This can be useful is your file systems 
+# doesn't support long names like on DOS, Mac, or CD-ROM.
+
+SHORT_NAMES            = NO
+
+# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen 
+# will interpret the first line (until the first dot) of a JavaDoc-style 
+# comment as the brief description. If set to NO, the JavaDoc 
+# comments will behave just like regular Qt-style comments 
+# (thus requiring an explicit @brief command for a brief description.)
+
+JAVADOC_AUTOBRIEF      = NO
+
+# If the QT_AUTOBRIEF tag is set to YES then Doxygen will 
+# interpret the first line (until the first dot) of a Qt-style 
+# comment as the brief description. If set to NO, the comments 
+# will behave just like regular Qt-style comments (thus requiring 
+# an explicit \brief command for a brief description.)
+
+QT_AUTOBRIEF           = NO
+
+# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen 
+# treat a multi-line C++ special comment block (i.e. a block of //! or /// 
+# comments) as a brief description. This used to be the default behaviour. 
+# The new default is to treat a multi-line C++ comment block as a detailed 
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+
+MULTILINE_CPP_IS_BRIEF = NO
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+# If the DETAILS_AT_TOP tag is set to YES then Doxygen 
+# will output the detailed description near the top, like JavaDoc.
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+# documentation.
+
+DETAILS_AT_TOP         = NO
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+# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented 
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+# re-implements.
+
+INHERIT_DOCS           = YES
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+# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce 
+# a new page for each member. If set to NO, the documentation of a member will 
+# be part of the file/class/namespace that contains it.
+
+SEPARATE_MEMBER_PAGES  = NO
+
+# The TAB_SIZE tag can be used to set the number of spaces in a tab. 
+# Doxygen uses this value to replace tabs by spaces in code fragments.
+
+TAB_SIZE               = 8
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+# This tag can be used to specify a number of aliases that acts 
+# as commands in the documentation. An alias has the form "name=value". 
+# For example adding "sideeffect=\par Side Effects:\n" will allow you to 
+# put the command \sideeffect (or @sideeffect) in the documentation, which 
+# will result in a user-defined paragraph with heading "Side Effects:". 
+# You can put \n's in the value part of an alias to insert newlines.
+
+ALIASES                = 
+
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C 
+# sources only. Doxygen will then generate output that is more tailored for C. 
+# For instance, some of the names that are used will be different. The list 
+# of all members will be omitted, etc.
+
+OPTIMIZE_OUTPUT_FOR_C  = NO
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+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java 
+# sources only. Doxygen will then generate output that is more tailored for 
+# Java. For instance, namespaces will be presented as packages, qualified 
+# scopes will look different, etc.
+
+OPTIMIZE_OUTPUT_JAVA   = NO
+
+# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran 
+# sources only. Doxygen will then generate output that is more tailored for 
+# Fortran.
+
+OPTIMIZE_FOR_FORTRAN   = YES
+
+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL 
+# sources. Doxygen will then generate output that is tailored for 
+# VHDL.
+
+OPTIMIZE_OUTPUT_VHDL   = NO
+
+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want 
+# to include (a tag file for) the STL sources as input, then you should 
+# set this tag to YES in order to let doxygen match functions declarations and 
+# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. 
+# func(std::string) {}). This also make the inheritance and collaboration 
+# diagrams that involve STL classes more complete and accurate.
+
+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to
+# enable parsing support.
+
+CPP_CLI_SUPPORT        = NO
+
+# Set the SIP_SUPPORT tag to YES if your project consists of sip sources only. 
+# Doxygen will parse them like normal C++ but will assume all classes use public 
+# instead of private inheritance when no explicit protection keyword is present.
+
+SIP_SUPPORT            = NO
+
+# For Microsoft's IDL there are propget and propput attributes to indicate getter 
+# and setter methods for a property. Setting this option to YES (the default) 
+# will make doxygen to replace the get and set methods by a property in the 
+# documentation. This will only work if the methods are indeed getting or 
+# setting a simple type. If this is not the case, or you want to show the 
+# methods anyway, you should set this option to NO.
+
+IDL_PROPERTY_SUPPORT   = YES
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC 
+# tag is set to YES, then doxygen will reuse the documentation of the first 
+# member in the group (if any) for the other members of the group. By default 
+# all members of a group must be documented explicitly.
+
+DISTRIBUTE_GROUP_DOC   = NO
+
+# Set the SUBGROUPING tag to YES (the default) to allow class member groups of 
+# the same type (for instance a group of public functions) to be put as a 
+# subgroup of that type (e.g. under the Public Functions section). Set it to 
+# NO to prevent subgrouping. Alternatively, this can be done per class using 
+# the \nosubgrouping command.
+
+SUBGROUPING            = YES
+
+# When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum 
+# is documented as struct, union, or enum with the name of the typedef. So 
+# typedef struct TypeS {} TypeT, will appear in the documentation as a struct 
+# with name TypeT. When disabled the typedef will appear as a member of a file, 
+# namespace, or class. And the struct will be named TypeS. This can typically 
+# be useful for C code in case the coding convention dictates that all compound 
+# types are typedef'ed and only the typedef is referenced, never the tag name.
+
+TYPEDEF_HIDES_STRUCT   = NO
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in 
+# documentation are documented, even if no documentation was available. 
+# Private class members and static file members will be hidden unless 
+# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES
+
+EXTRACT_ALL            = YES
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+# If the EXTRACT_PRIVATE tag is set to YES all private members of a class 
+# will be included in the documentation.
+
+EXTRACT_PRIVATE        = NO
+
+# If the EXTRACT_STATIC tag is set to YES all static members of a file 
+# will be included in the documentation.
+
+EXTRACT_STATIC         = NO
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) 
+# defined locally in source files will be included in the documentation. 
+# If set to NO only classes defined in header files are included.
+
+EXTRACT_LOCAL_CLASSES  = YES
+
+# This flag is only useful for Objective-C code. When set to YES local 
+# methods, which are defined in the implementation section but not in 
+# the interface are included in the documentation. 
+# If set to NO (the default) only methods in the interface are included.
+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be 
+# extracted and appear in the documentation as a namespace called 
+# 'anonymous_namespace{file}', where file will be replaced with the base 
+# name of the file that contains the anonymous namespace. By default 
+# anonymous namespace are hidden.
+
+EXTRACT_ANON_NSPACES   = NO
+
+# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all 
+# undocumented members of documented classes, files or namespaces. 
+# If set to NO (the default) these members will be included in the 
+# various overviews, but no documentation section is generated. 
+# This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_MEMBERS     = NO
+
+# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all 
+# undocumented classes that are normally visible in the class hierarchy. 
+# If set to NO (the default) these classes will be included in the various 
+# overviews. This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_CLASSES     = NO
+
+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all 
+# friend (class|struct|union) declarations. 
+# If set to NO (the default) these declarations will be included in the 
+# documentation.
+
+HIDE_FRIEND_COMPOUNDS  = NO
+
+# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any 
+# documentation blocks found inside the body of a function. 
+# If set to NO (the default) these blocks will be appended to the 
+# function's detailed documentation block.
+
+HIDE_IN_BODY_DOCS      = NO
+
+# The INTERNAL_DOCS tag determines if documentation 
+# that is typed after a \internal command is included. If the tag is set 
+# to NO (the default) then the documentation will be excluded. 
+# Set it to YES to include the internal documentation.
+
+INTERNAL_DOCS          = NO
+
+# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate 
+# file names in lower-case letters. If set to YES upper-case letters are also 
+# allowed. This is useful if you have classes or files whose names only differ 
+# in case and if your file system supports case sensitive file names. Windows 
+# and Mac users are advised to set this option to NO.
+
+CASE_SENSE_NAMES       = NO
+
+# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen 
+# will show members with their full class and namespace scopes in the 
+# documentation. If set to YES the scope will be hidden.
+
+HIDE_SCOPE_NAMES       = NO
+
+# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen 
+# will put a list of the files that are included by a file in the documentation 
+# of that file.
+
+SHOW_INCLUDE_FILES     = YES
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+# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] 
+# is inserted in the documentation for inline members.
+
+INLINE_INFO            = YES
+
+# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen 
+# will sort the (detailed) documentation of file and class members 
+# alphabetically by member name. If set to NO the members will appear in 
+# declaration order.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the 
+# brief documentation of file, namespace and class members alphabetically 
+# by member name. If set to NO (the default) the members will appear in 
+# declaration order.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the 
+# hierarchy of group names into alphabetical order. If set to NO (the default) 
+# the group names will appear in their defined order.
+
+SORT_GROUP_NAMES       = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be 
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+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
+# Note: This option applies only to the class list, not to the 
+# alphabetical list.
+
+SORT_BY_SCOPE_NAME     = NO
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or 
+# disable (NO) the todo list. This list is created by putting \todo 
+# commands in the documentation.
+
+GENERATE_TODOLIST      = YES
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or 
+# disable (NO) the test list. This list is created by putting \test 
+# commands in the documentation.
+
+GENERATE_TESTLIST      = YES
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+# The GENERATE_BUGLIST tag can be used to enable (YES) or 
+# disable (NO) the bug list. This list is created by putting \bug 
+# commands in the documentation.
+
+GENERATE_BUGLIST       = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or 
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+
+GENERATE_DEPRECATEDLIST= YES
+
+# The ENABLED_SECTIONS tag can be used to enable conditional 
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+
+ENABLED_SECTIONS       = 
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines 
+# the initial value of a variable or define consists of for it to appear in 
+# the documentation. If the initializer consists of more lines than specified 
+# here it will be hidden. Use a value of 0 to hide initializers completely. 
+# The appearance of the initializer of individual variables and defines in the 
+# documentation can be controlled using \showinitializer or \hideinitializer 
+# command in the documentation regardless of this setting.
+
+MAX_INITIALIZER_LINES  = 30
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+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated 
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+# list will mention the files that were used to generate the documentation.
+
+SHOW_USED_FILES        = YES
+
+# If the sources in your project are distributed over multiple directories 
+# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy 
+# in the documentation. The default is NO.
+
+SHOW_DIRECTORIES       = NO
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+# Set the SHOW_FILES tag to NO to disable the generation of the Files page.
+# This will remove the Files entry from the Quick Index and from the 
+# Folder Tree View (if specified). The default is YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the 
+# Namespaces page.  This will remove the Namespaces entry from the Quick Index
+# and from the Folder Tree View (if specified). The default is YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that 
+# doxygen should invoke to get the current version for each file (typically from 
+# the version control system). Doxygen will invoke the program by executing (via 
+# popen()) the command <command> <input-file>, where <command> is the value of 
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+# is used as the file version. See the manual for examples.
+
+FILE_VERSION_FILTER    = 
+
+#---------------------------------------------------------------------------
+# configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
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+# The QUIET tag can be used to turn on/off the messages that are generated 
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+
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+# The WARNINGS tag can be used to turn on/off the warning messages that are 
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+
+WARNINGS               = YES
+
+# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings 
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+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for 
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+# don't exist or using markup commands wrongly.
+
+WARN_IF_DOC_ERROR      = YES
+
+# This WARN_NO_PARAMDOC option can be abled to get warnings for 
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+# wrong or incomplete parameter documentation, but not about the absence of 
+# documentation.
+
+WARN_NO_PARAMDOC       = NO
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+# The WARN_FORMAT tag determines the format of the warning messages that 
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+# be obtained via FILE_VERSION_FILTER)
+
+WARN_FORMAT            = "$file:$line: $text"
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+# The WARN_LOGFILE tag can be used to specify a file to which warning 
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+# to stderr.
+
+WARN_LOGFILE           = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag can be used to specify the files and/or directories that contain 
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+# directories like "/usr/src/myproject". Separate the files or directories 
+# with spaces.
+
+INPUT                  = .
+
+# This tag can be used to specify the character encoding of the source files 
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is 
+# also the default input encoding. Doxygen uses libiconv (or the iconv built 
+# into libc) for the transcoding. See http://www.gnu.org/software/libiconv for 
+# the list of possible encodings.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the 
+# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp 
+# and *.h) to filter out the source-files in the directories. If left 
+# blank the following patterns are tested: 
+# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx 
+# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py *.f90
+
+FILE_PATTERNS          = *.f90
+
+# The RECURSIVE tag can be used to turn specify whether or not subdirectories 
+# should be searched for input files as well. Possible values are YES and NO. 
+# If left blank NO is used.
+
+RECURSIVE              = NO
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+# The EXCLUDE tag can be used to specify files and/or directories that should 
+# excluded from the INPUT source files. This way you can easily exclude a 
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+
+EXCLUDE                = ctfft.f mkl_dfti.f90
+
+# The EXCLUDE_SYMLINKS tag can be used select whether or not files or 
+# directories that are symbolic links (a Unix filesystem feature) are excluded 
+# from the input.
+
+EXCLUDE_SYMLINKS       = NO
+
+# If the value of the INPUT tag contains directories, you can use the 
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude 
+# certain files from those directories. Note that the wildcards are matched 
+# against the file with absolute path, so to exclude all test directories 
+# for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       = 
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names 
+# (namespaces, classes, functions, etc.) that should be excluded from the 
+# output. The symbol name can be a fully qualified name, a word, or if the 
+# wildcard * is used, a substring. Examples: ANamespace, AClass, 
+# AClass::ANamespace, ANamespace::*Test
+
+EXCLUDE_SYMBOLS        = 
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or 
+# directories that contain example code fragments that are included (see 
+# the \include command).
+
+EXAMPLE_PATH           = 
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the 
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp 
+# and *.h) to filter out the source-files in the directories. If left 
+# blank all files are included.
+
+EXAMPLE_PATTERNS       = 
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be 
+# searched for input files to be used with the \include or \dontinclude 
+# commands irrespective of the value of the RECURSIVE tag. 
+# Possible values are YES and NO. If left blank NO is used.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or 
+# directories that contain image that are included in the documentation (see 
+# the \image command).
+
+IMAGE_PATH             = 
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should 
+# invoke to filter for each input file. Doxygen will invoke the filter program 
+# by executing (via popen()) the command <filter> <input-file>, where <filter> 
+# is the value of the INPUT_FILTER tag, and <input-file> is the name of an 
+# input file. Doxygen will then use the output that the filter program writes 
+# to standard output.  If FILTER_PATTERNS is specified, this tag will be 
+# ignored.
+
+INPUT_FILTER           = 
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern 
+# basis.  Doxygen will compare the file name with each pattern and apply the 
+# filter if there is a match.  The filters are a list of the form: 
+# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further 
+# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER 
+# is applied to all files.
+
+FILTER_PATTERNS        = 
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using 
+# INPUT_FILTER) will be used to filter the input files when producing source 
+# files to browse (i.e. when SOURCE_BROWSER is set to YES).
+
+FILTER_SOURCE_FILES    = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will 
+# be generated. Documented entities will be cross-referenced with these sources. 
+# Note: To get rid of all source code in the generated output, make sure also 
+# VERBATIM_HEADERS is set to NO.
+
+SOURCE_BROWSER         = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body 
+# of functions and classes directly in the documentation.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct 
+# doxygen to hide any special comment blocks from generated source code 
+# fragments. Normal C and C++ comments will always remain visible.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES 
+# then for each documented function all documented 
+# functions referencing it will be listed.
+
+REFERENCED_BY_RELATION = NO
+
+# If the REFERENCES_RELATION tag is set to YES 
+# then for each documented function all documented entities 
+# called/used by that function will be listed.
+
+REFERENCES_RELATION    = NO
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES (the default)
+# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from
+# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will
+# link to the source code.  Otherwise they will link to the documentstion.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code 
+# will point to the HTML generated by the htags(1) tool instead of doxygen 
+# built-in source browser. The htags tool is part of GNU's global source 
+# tagging system (see http://www.gnu.org/software/global/global.html). You 
+# will need version 4.8.6 or higher.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen 
+# will generate a verbatim copy of the header file for each class for 
+# which an include is specified. Set to NO to disable this.
+
+VERBATIM_HEADERS       = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index 
+# of all compounds will be generated. Enable this if the project 
+# contains a lot of classes, structs, unions or interfaces.
+
+ALPHABETICAL_INDEX     = NO
+
+# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then 
+# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns 
+# in which this list will be split (can be a number in the range [1..20])
+
+COLS_IN_ALPHA_INDEX    = 5
+
+# In case all classes in a project start with a common prefix, all 
+# classes will be put under the same header in the alphabetical index. 
+# The IGNORE_PREFIX tag can be used to specify one or more prefixes that 
+# should be ignored while generating the index headers.
+
+IGNORE_PREFIX          = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES (the default) Doxygen will 
+# generate HTML output.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `html' will be used as the default path.
+
+HTML_OUTPUT            = html
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for 
+# each generated HTML page (for example: .htm,.php,.asp). If it is left blank 
+# doxygen will generate files with .html extension.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a personal HTML header for 
+# each generated HTML page. If it is left blank doxygen will generate a 
+# standard header.
+
+HTML_HEADER            = 
+
+# The HTML_FOOTER tag can be used to specify a personal HTML footer for 
+# each generated HTML page. If it is left blank doxygen will generate a 
+# standard footer.
+
+HTML_FOOTER            = 
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading 
+# style sheet that is used by each HTML page. It can be used to 
+# fine-tune the look of the HTML output. If the tag is left blank doxygen 
+# will generate a default style sheet. Note that doxygen will try to copy 
+# the style sheet file to the HTML output directory, so don't put your own 
+# stylesheet in the HTML output directory as well, or it will be erased!
+
+HTML_STYLESHEET        = 
+
+# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, 
+# files or namespaces will be aligned in HTML using tables. If set to 
+# NO a bullet list will be used.
+
+HTML_ALIGN_MEMBERS     = YES
+
+# If the GENERATE_HTMLHELP tag is set to YES, additional index files 
+# will be generated that can be used as input for tools like the 
+# Microsoft HTML help workshop to generate a compiled HTML help file (.chm) 
+# of the generated HTML documentation.
+
+GENERATE_HTMLHELP      = NO
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files 
+# will be generated that can be used as input for Apple's Xcode 3 
+# integrated development environment, introduced with OSX 10.5 (Leopard). 
+# To create a documentation set, doxygen will generate a Makefile in the 
+# HTML output directory. Running make will produce the docset in that 
+# directory and running "make install" will install the docset in 
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find 
+# it at startup.
+
+GENERATE_DOCSET        = NO
+
+# When GENERATE_DOCSET tag is set to YES, this tag determines the name of the 
+# feed. A documentation feed provides an umbrella under which multiple 
+# documentation sets from a single provider (such as a company or product suite) 
+# can be grouped.
+
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+
+# When GENERATE_DOCSET tag is set to YES, this tag specifies a string that 
+# should uniquely identify the documentation set bundle. This should be a 
+# reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen 
+# will append .docset to the name.
+
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML 
+# documentation will contain sections that can be hidden and shown after the 
+# page has loaded. For this to work a browser that supports 
+# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox 
+# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari).
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can 
+# be used to specify the file name of the resulting .chm file. You 
+# can add a path in front of the file if the result should not be 
+# written to the html output directory.
+
+CHM_FILE               = 
+
+# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can 
+# be used to specify the location (absolute path including file name) of 
+# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run 
+# the HTML help compiler on the generated index.hhp.
+
+HHC_LOCATION           = 
+
+# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag 
+# controls if a separate .chi index file is generated (YES) or that 
+# it should be included in the master .chm file (NO).
+
+GENERATE_CHI           = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING
+# is used to encode HtmlHelp index (hhk), content (hhc) and project file
+# content.
+
+CHM_INDEX_ENCODING     = 
+
+# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag 
+# controls whether a binary table of contents is generated (YES) or a 
+# normal table of contents (NO) in the .chm file.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members 
+# to the contents of the HTML help documentation and to the tree view.
+
+TOC_EXPAND             = NO
+
+# The DISABLE_INDEX tag can be used to turn on/off the condensed index at 
+# top of each HTML page. The value NO (the default) enables the index and 
+# the value YES disables it.
+
+DISABLE_INDEX          = NO
+
+# This tag can be used to set the number of enum values (range [1..20]) 
+# that doxygen will group on one line in the generated HTML documentation.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
+# structure should be generated to display hierarchical information.
+# If the tag value is set to FRAME, a side panel will be generated
+# containing a tree-like index structure (just like the one that 
+# is generated for HTML Help). For this to work a browser that supports 
+# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, 
+# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are 
+# probably better off using the HTML help feature. Other possible values 
+# for this tag are: HIERARCHIES, which will generate the Groups, Directories,
+# and Class Hiererachy pages using a tree view instead of an ordered list;
+# ALL, which combines the behavior of FRAME and HIERARCHIES; and NONE, which
+# disables this behavior completely. For backwards compatibility with previous
+# releases of Doxygen, the values YES and NO are equivalent to FRAME and NONE
+# respectively.
+
+GENERATE_TREEVIEW      = NONE
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be 
+# used to set the initial width (in pixels) of the frame in which the tree 
+# is shown.
+
+TREEVIEW_WIDTH         = 250
+
+# Use this tag to change the font size of Latex formulas included 
+# as images in the HTML documentation. The default is 10. Note that 
+# when you change the font size after a successful doxygen run you need 
+# to manually remove any form_*.png images from the HTML output directory 
+# to force them to be regenerated.
+
+FORMULA_FONTSIZE       = 10
+
+#---------------------------------------------------------------------------
+# configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will 
+# generate Latex output.
+
+GENERATE_LATEX         = NO
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `latex' will be used as the default path.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be 
+# invoked. If left blank `latex' will be used as the default command name.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to 
+# generate index for LaTeX. If left blank `makeindex' will be used as the 
+# default command name.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact 
+# LaTeX documents. This may be useful for small projects and may help to 
+# save some trees in general.
+
+COMPACT_LATEX          = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used 
+# by the printer. Possible values are: a4, a4wide, letter, legal and 
+# executive. If left blank a4wide will be used.
+
+PAPER_TYPE             = a4wide
+
+# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX 
+# packages that should be included in the LaTeX output.
+
+EXTRA_PACKAGES         = 
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for 
+# the generated latex document. The header should contain everything until 
+# the first chapter. If it is left blank doxygen will generate a 
+# standard header. Notice: only use this tag if you know what you are doing!
+
+LATEX_HEADER           = 
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated 
+# is prepared for conversion to pdf (using ps2pdf). The pdf file will 
+# contain links (just like the HTML output) instead of page references 
+# This makes the output suitable for online browsing using a pdf viewer.
+
+PDF_HYPERLINKS         = YES
+
+# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of 
+# plain latex in the generated Makefile. Set this option to YES to get a 
+# higher quality PDF documentation.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. 
+# command to the generated LaTeX files. This will instruct LaTeX to keep 
+# running if errors occur, instead of asking the user for help. 
+# This option is also used when generating formulas in HTML.
+
+LATEX_BATCHMODE        = NO
+
+# If LATEX_HIDE_INDICES is set to YES then doxygen will not 
+# include the index chapters (such as File Index, Compound Index, etc.) 
+# in the output.
+
+LATEX_HIDE_INDICES     = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output 
+# The RTF output is optimized for Word 97 and may not look very pretty with 
+# other RTF readers or editors.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `rtf' will be used as the default path.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES Doxygen generates more compact 
+# RTF documents. This may be useful for small projects and may help to 
+# save some trees in general.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated 
+# will contain hyperlink fields. The RTF file will 
+# contain links (just like the HTML output) instead of page references. 
+# This makes the output suitable for online browsing using WORD or other 
+# programs which support those fields. 
+# Note: wordpad (write) and others do not support links.
+
+RTF_HYPERLINKS         = NO
+
+# Load stylesheet definitions from file. Syntax is similar to doxygen's 
+# config file, i.e. a series of assignments. You only have to provide 
+# replacements, missing definitions are set to their default value.
+
+RTF_STYLESHEET_FILE    = 
+
+# Set optional variables used in the generation of an rtf document. 
+# Syntax is similar to doxygen's config file.
+
+RTF_EXTENSIONS_FILE    = 
+
+#---------------------------------------------------------------------------
+# configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES (the default) Doxygen will 
+# generate man pages
+
+GENERATE_MAN           = NO
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `man' will be used as the default path.
+
+MAN_OUTPUT             = man
+
+# The MAN_EXTENSION tag determines the extension that is added to 
+# the generated man pages (default is the subroutine's section .3)
+
+MAN_EXTENSION          = .3
+
+# If the MAN_LINKS tag is set to YES and Doxygen generates man output, 
+# then it will generate one additional man file for each entity 
+# documented in the real man page(s). These additional files 
+# only source the real man page, but without them the man command 
+# would be unable to find the correct page. The default is NO.
+
+MAN_LINKS              = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES Doxygen will 
+# generate an XML file that captures the structure of 
+# the code including all documentation.
+
+GENERATE_XML           = NO
+
+# The XML_OUTPUT tag is used to specify where the XML pages will be put. 
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be 
+# put in front of it. If left blank `xml' will be used as the default path.
+
+XML_OUTPUT             = xml
+
+# The XML_SCHEMA tag can be used to specify an XML schema, 
+# which can be used by a validating XML parser to check the 
+# syntax of the XML files.
+
+XML_SCHEMA             = 
+
+# The XML_DTD tag can be used to specify an XML DTD, 
+# which can be used by a validating XML parser to check the 
+# syntax of the XML files.
+
+XML_DTD                = 
+
+# If the XML_PROGRAMLISTING tag is set to YES Doxygen will 
+# dump the program listings (including syntax highlighting 
+# and cross-referencing information) to the XML output. Note that 
+# enabling this will significantly increase the size of the XML output.
+
+XML_PROGRAMLISTING     = YES
+
+#---------------------------------------------------------------------------
+# configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will 
+# generate an AutoGen Definitions (see autogen.sf.net) file 
+# that captures the structure of the code including all 
+# documentation. Note that this feature is still experimental 
+# and incomplete at the moment.
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES Doxygen will 
+# generate a Perl module file that captures the structure of 
+# the code including all documentation. Note that this 
+# feature is still experimental and incomplete at the 
+# moment.
+
+GENERATE_PERLMOD       = NO
+
+# If the PERLMOD_LATEX tag is set to YES Doxygen will generate 
+# the necessary Makefile rules, Perl scripts and LaTeX code to be able 
+# to generate PDF and DVI output from the Perl module output.
+
+PERLMOD_LATEX          = NO
+
+# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be 
+# nicely formatted so it can be parsed by a human reader.  This is useful 
+# if you want to understand what is going on.  On the other hand, if this 
+# tag is set to NO the size of the Perl module output will be much smaller 
+# and Perl will parse it just the same.
+
+PERLMOD_PRETTY         = YES
+
+# The names of the make variables in the generated doxyrules.make file 
+# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. 
+# This is useful so different doxyrules.make files included by the same 
+# Makefile don't overwrite each other's variables.
+
+PERLMOD_MAKEVAR_PREFIX = 
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor   
+#---------------------------------------------------------------------------
+
+# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will 
+# evaluate all C-preprocessor directives found in the sources and include 
+# files.
+
+ENABLE_PREPROCESSING   = YES
+
+# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro 
+# names in the source code. If set to NO (the default) only conditional 
+# compilation will be performed. Macro expansion can be done in a controlled 
+# way by setting EXPAND_ONLY_PREDEF to YES.
+
+MACRO_EXPANSION        = NO
+
+# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES 
+# then the macro expansion is limited to the macros specified with the 
+# PREDEFINED and EXPAND_AS_DEFINED tags.
+
+EXPAND_ONLY_PREDEF     = NO
+
+# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files 
+# in the INCLUDE_PATH (see below) will be search if a #include is found.
+
+SEARCH_INCLUDES        = YES
+
+# The INCLUDE_PATH tag can be used to specify one or more directories that 
+# contain include files that are not input files but should be processed by 
+# the preprocessor.
+
+INCLUDE_PATH           = 
+
+# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard 
+# patterns (like *.h and *.hpp) to filter out the header-files in the 
+# directories. If left blank, the patterns specified with FILE_PATTERNS will 
+# be used.
+
+INCLUDE_FILE_PATTERNS  = 
+
+# The PREDEFINED tag can be used to specify one or more macro names that 
+# are defined before the preprocessor is started (similar to the -D option of 
+# gcc). The argument of the tag is a list of macros of the form: name 
+# or name=definition (no spaces). If the definition and the = are 
+# omitted =1 is assumed. To prevent a macro definition from being 
+# undefined via #undef or recursively expanded use the := operator 
+# instead of the = operator.
+
+PREDEFINED             = 
+
+# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then 
+# this tag can be used to specify a list of macro names that should be expanded. 
+# The macro definition that is found in the sources will be used. 
+# Use the PREDEFINED tag if you want to use a different macro definition.
+
+EXPAND_AS_DEFINED      = 
+
+# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then 
+# doxygen's preprocessor will remove all function-like macros that are alone 
+# on a line, have an all uppercase name, and do not end with a semicolon. Such 
+# function macros are typically used for boiler-plate code, and will confuse 
+# the parser if not removed.
+
+SKIP_FUNCTION_MACROS   = YES
+
+#---------------------------------------------------------------------------
+# Configuration::additions related to external references   
+#---------------------------------------------------------------------------
+
+# The TAGFILES option can be used to specify one or more tagfiles. 
+# Optionally an initial location of the external documentation 
+# can be added for each tagfile. The format of a tag file without 
+# this location is as follows: 
+#   TAGFILES = file1 file2 ... 
+# Adding location for the tag files is done as follows: 
+#   TAGFILES = file1=loc1 "file2 = loc2" ... 
+# where "loc1" and "loc2" can be relative or absolute paths or 
+# URLs. If a location is present for each tag, the installdox tool 
+# does not have to be run to correct the links.
+# Note that each tag file must have a unique name
+# (where the name does NOT include the path)
+# If a tag file is not located in the directory in which doxygen 
+# is run, you must also specify the path to the tagfile here.
+
+TAGFILES               = 
+
+# When a file name is specified after GENERATE_TAGFILE, doxygen will create 
+# a tag file that is based on the input files it reads.
+
+GENERATE_TAGFILE       = 
+
+# If the ALLEXTERNALS tag is set to YES all external classes will be listed 
+# in the class index. If set to NO only the inherited external classes 
+# will be listed.
+
+ALLEXTERNALS           = NO
+
+# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed 
+# in the modules index. If set to NO, only the current project's groups will 
+# be listed.
+
+EXTERNAL_GROUPS        = YES
+
+# The PERL_PATH should be the absolute path and name of the perl script 
+# interpreter (i.e. the result of `which perl').
+
+PERL_PATH              = /usr/bin/perl
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool   
+#---------------------------------------------------------------------------
+
+# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will 
+# generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base 
+# or super classes. Setting the tag to NO turns the diagrams off. Note that 
+# this option is superseded by the HAVE_DOT option below. This is only a 
+# fallback. It is recommended to install and use dot, since it yields more 
+# powerful graphs.
+
+CLASS_DIAGRAMS         = YES
+
+# You can define message sequence charts within doxygen comments using the \msc 
+# command. Doxygen will then run the mscgen tool (see 
+# http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the 
+# documentation. The MSCGEN_PATH tag allows you to specify the directory where 
+# the mscgen tool resides. If left empty the tool is assumed to be found in the 
+# default search path.
+
+MSCGEN_PATH            = 
+
+# If set to YES, the inheritance and collaboration graphs will hide 
+# inheritance and usage relations if the target is undocumented 
+# or is not a class.
+
+HIDE_UNDOC_RELATIONS   = YES
+
+# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is 
+# available from the path. This tool is part of Graphviz, a graph visualization 
+# toolkit from AT&T and Lucent Bell Labs. The other options in this section 
+# have no effect if this option is set to NO (the default)
+
+HAVE_DOT               = NO
+
+# By default doxygen will write a font called FreeSans.ttf to the output 
+# directory and reference it in all dot files that doxygen generates. This 
+# font does not include all possible unicode characters however, so when you need 
+# these (or just want a differently looking font) you can specify the font name 
+# using DOT_FONTNAME. You need need to make sure dot is able to find the font, 
+# which can be done by putting it in a standard location or by setting the 
+# DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory 
+# containing the font.
+
+DOT_FONTNAME           = FreeSans
+
+# By default doxygen will tell dot to use the output directory to look for the 
+# FreeSans.ttf font (which doxygen will put there itself). If you specify a 
+# different font using DOT_FONTNAME you can set the path where dot 
+# can find it using this tag.
+
+DOT_FONTPATH           = 
+
+# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen 
+# will generate a graph for each documented class showing the direct and 
+# indirect inheritance relations. Setting this tag to YES will force the 
+# the CLASS_DIAGRAMS tag to NO.
+
+CLASS_GRAPH            = YES
+
+# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen 
+# will generate a graph for each documented class showing the direct and 
+# indirect implementation dependencies (inheritance, containment, and 
+# class references variables) of the class with other documented classes.
+
+COLLABORATION_GRAPH    = YES
+
+# If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen 
+# will generate a graph for groups, showing the direct groups dependencies
+
+GROUP_GRAPHS           = YES
+
+# If the UML_LOOK tag is set to YES doxygen will generate inheritance and 
+# collaboration diagrams in a style similar to the OMG's Unified Modeling 
+# Language.
+
+UML_LOOK               = NO
+
+# If set to YES, the inheritance and collaboration graphs will show the 
+# relations between templates and their instances.
+
+TEMPLATE_RELATIONS     = NO
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT 
+# tags are set to YES then doxygen will generate a graph for each documented 
+# file showing the direct and indirect include dependencies of the file with 
+# other documented files.
+
+INCLUDE_GRAPH          = YES
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and 
+# HAVE_DOT tags are set to YES then doxygen will generate a graph for each 
+# documented header file showing the documented files that directly or 
+# indirectly include this file.
+
+INCLUDED_BY_GRAPH      = YES
+
+# If the CALL_GRAPH and HAVE_DOT options are set to YES then 
+# doxygen will generate a call dependency graph for every global function 
+# or class method. Note that enabling this option will significantly increase 
+# the time of a run. So in most cases it will be better to enable call graphs 
+# for selected functions only using the \callgraph command.
+
+CALL_GRAPH             = NO
+
+# If the CALLER_GRAPH and HAVE_DOT tags are set to YES then 
+# doxygen will generate a caller dependency graph for every global function 
+# or class method. Note that enabling this option will significantly increase 
+# the time of a run. So in most cases it will be better to enable caller 
+# graphs for selected functions only using the \callergraph command.
+
+CALLER_GRAPH           = NO
+
+# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen 
+# will graphical hierarchy of all classes instead of a textual one.
+
+GRAPHICAL_HIERARCHY    = YES
+
+# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES 
+# then doxygen will show the dependencies a directory has on other directories 
+# in a graphical way. The dependency relations are determined by the #include
+# relations between the files in the directories.
+
+DIRECTORY_GRAPH        = YES
+
+# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images 
+# generated by dot. Possible values are png, jpg, or gif
+# If left blank png will be used.
+
+DOT_IMAGE_FORMAT       = png
+
+# The tag DOT_PATH can be used to specify the path where the dot tool can be 
+# found. If left blank, it is assumed the dot tool can be found in the path.
+
+DOT_PATH               = 
+
+# The DOTFILE_DIRS tag can be used to specify one or more directories that 
+# contain dot files that are included in the documentation (see the 
+# \dotfile command).
+
+DOTFILE_DIRS           = 
+
+# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of 
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+# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note 
+# that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH.
+
+DOT_GRAPH_MAX_NODES    = 50
+
+# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the 
+# graphs generated by dot. A depth value of 3 means that only nodes reachable 
+# from the root by following a path via at most 3 edges will be shown. Nodes 
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+# code bases. Also note that the size of a graph can be further restricted by 
+# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
+
+MAX_DOT_GRAPH_DEPTH    = 0
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+# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent 
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+# become hard to read).
+
+DOT_TRANSPARENT        = YES
+
+# Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output 
+# files in one run (i.e. multiple -o and -T options on the command line). This 
+# makes dot run faster, but since only newer versions of dot (>1.8.10) 
+# support this, this feature is disabled by default.
+
+DOT_MULTI_TARGETS      = NO
+
+# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will 
+# generate a legend page explaining the meaning of the various boxes and 
+# arrows in the dot generated graphs.
+
+GENERATE_LEGEND        = YES
+
+# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will 
+# remove the intermediate dot files that are used to generate 
+# the various graphs.
+
+DOT_CLEANUP            = YES
+
+#---------------------------------------------------------------------------
+# Configuration::additions related to the search engine   
+#---------------------------------------------------------------------------
+
+# The SEARCHENGINE tag specifies whether or not a search engine should be 
+# used. If set to NO the values of all tags below this one will be ignored.
+
+SEARCHENGINE           = NO
diff -r 9992112ff05a -r 7596917b8776 elastic3d.f90
--- a/elastic3d.f90	Mon Apr 11 08:59:18 2011 -0700
+++ b/elastic3d.f90	Tue Apr 26 15:00:49 2011 -0700
@@ -19,6 +19,7 @@
 
 MODULE elastic3d
 
+  USE types
   USE fourier
 
   IMPLICIT NONE
@@ -30,53 +31,6 @@ MODULE elastic3d
   REAL*8, PRIVATE, PARAMETER :: pid2 = 1.57079632679489655799898173427209258079_8
   REAL*8, PRIVATE, PARAMETER :: DEG2RAD = 0.01745329251994329547437168059786927_8
     
-  TYPE SOURCE_STRUCT
-     SEQUENCE
-     REAL*8 :: slip,x,y,z,width,length,strike,dip,rake
-  END TYPE SOURCE_STRUCT
-
-  TYPE PLANE_STRUCT
-     SEQUENCE
-     REAL*8 :: x,y,z,width,length,strike,dip,rake
-  END TYPE PLANE_STRUCT
-
-  TYPE LAYER_STRUCT
-     SEQUENCE
-     REAL*8 :: z,gammadot0,stressexponent,cohesion,friction
-  END TYPE LAYER_STRUCT
-
-  TYPE WEAK_STRUCT
-     SEQUENCE
-     REAL*8 :: dgammadot0,x,y,z,width,length,thickness,strike,dip
-  END TYPE WEAK_STRUCT
-
-  TYPE VECTOR_STRUCT
-     SEQUENCE
-     REAL*8 :: v1,v2,v3
-  END TYPE VECTOR_STRUCT
-
-  TYPE TENSOR
-     SEQUENCE
-     REAL*4 :: s11,s12,s13,s22,s23,s33
-  END TYPE TENSOR
-
-  TYPE TENSOR_LAYER_STRUCT
-     SEQUENCE
-     REAL*4 :: z,dum
-     TYPE(TENSOR) :: t
-  END TYPE TENSOR_LAYER_STRUCT
-
-  TYPE SLIPPATCH_STRUCT
-     SEQUENCE
-     REAL*8 :: x1,x2,x3,lx,lz,slip,ss,ds
-  END TYPE SLIPPATCH_STRUCT
-
-  TYPE EVENT_STRUC
-     REAL*8 :: time
-     INTEGER*4 :: i,ns,nt,nm,nl
-     TYPE(SOURCE_STRUCT), DIMENSION(:), ALLOCATABLE :: s,sc,ts,tsc,m,mc,l,lc
-  END TYPE EVENT_STRUC
-  
   INTERFACE OPERATOR (.times.)
      MODULE PROCEDURE tensorscalarprod
   END INTERFACE
diff -r 9992112ff05a -r 7596917b8776 examples/run1.sh
--- a/examples/run1.sh	Mon Apr 11 08:59:18 2011 -0700
+++ b/examples/run1.sh	Tue Apr 26 15:00:49 2011 -0700
@@ -20,21 +20,23 @@
 
 # type map.sh for a description of command-line options.
 
-time ../relax <<EOF
+time ../relax <<EOF | tee output1/in.param
 # grid size (sx1,sx2,sx3)
 256 256 256
 # sampling size, smoothing & nyquist (dx1,dx2,dx3,beta,nq)
 0.05 0.05 0.05 0.2 2
 # origin position & rotation
 0 0 0
+# geographic origin, UTM zone and length unit
+120 22 51 1e3
 # observation depth (displacement and stress) (stress in only exported in GRD)
 0 0.5
 # output directory
 ./output1
 # elastic parameters and gamma = (1-nu) rho g / mu = 8.33e-7 /m = 8.33e-4 /km
 1 1 8.33e-4
-# integration time (t1)
-20 -1
+# integration time (t1), step and scaling
+20 -1 1
 # number of observation planes
 0
 # number of observation points
@@ -65,6 +67,8 @@ 0
 0
 # number of dilatation sources
 0
+# number of surface traction
+0
 # time of second event
 1
 # number of shear dislocations
@@ -75,4 +79,6 @@ 0
 0
 # number of dilatation sources
 0
+# number of surface traction
+0
 EOF
diff -r 9992112ff05a -r 7596917b8776 makefile_imkl
--- a/makefile_imkl	Mon Apr 11 08:59:18 2011 -0700
+++ b/makefile_imkl	Tue Apr 26 15:00:49 2011 -0700
@@ -22,7 +22,7 @@ F77FLAGS=-zero
 F77FLAGS=-zero 
 CFLAGS=-I/sw/include 
 
-OBJ = mkl_dfti.o fourier.o green.o elastic3d.o friction3d.o viscoelastic3d.o writegrd4.2.o proj.o export.o getdata.o getopt.o relax.o
+OBJ = types.o mkl_dfti.o fourier.o green.o elastic3d.o friction3d.o viscoelastic3d.o writegrd4.2.o proj.o export.o getdata.o getopt.o input.o relax.o
 
 %.o : %.c
 	$(CC) $(CFLAGS) -c $^
diff -r 9992112ff05a -r 7596917b8776 relax.f90
--- a/relax.f90	Mon Apr 11 08:59:18 2011 -0700
+++ b/relax.f90	Tue Apr 26 15:00:49 2011 -0700
@@ -158,6 +158,8 @@ PROGRAM relax
   !                               and allow scaling of computed time steps.
   !-----------------------------------------------------------------------
 
+  USE types
+  USE input
   USE green
   USE elastic3d
   USE viscoelastic3d
@@ -168,51 +170,27 @@ PROGRAM relax
   
   IMPLICIT NONE
   
-  REAL*8, PARAMETER :: DEG2RAD = 0.01745329251994329547437168059786927_8
   INTEGER, PARAMETER :: ITERATION_MAX = 9900
   REAL*8, PARAMETER :: STEP_MAX = 1e7
 
-  INTEGER :: i,k,sx1,sx2,sx3,e,ne,nv,np,nop,npl,nps,oi,nfc, &
-       unit,iostatus,iargc,npts,skip=0,mech(3),nlwz,nnlwz
+  INTEGER :: i,k,e,oi,iostatus,mech(3)
 #ifdef FFTW3_THREADS
   INTEGER :: iret
 !$  INTEGER :: omp_get_max_threads
 #endif
-  REAL*8 :: beta,lambda,mu,gam,x0,y0,interval, &
-       minlength,minwidth,rot,maxwell(3),nyquist
-#ifdef PROJ
-  REAL*8 :: lon0,lat0,umult
-  INTEGER :: zone
-#endif
-  CHARACTER(80) :: wdir,reporttimefilename,reportfilename, &
-                   inputfile,logfilename,inputfilename
+  REAL*8 :: maxwell(3)
+  TYPE(SIMULATION_STRUC) :: in
 #ifdef VTK
-  INTEGER :: j
-  CHARACTER(80) :: rffilename,vcfilename,cgfilename
+  CHARACTER(80) :: vcfilename
   CHARACTER(3) :: digit
 #endif
-  REAL*8 :: dx1,dx2,dx3,oz,ozs,t,Dt,tm,odt,tscale
-  ! coseismic events
-  TYPE(EVENT_STRUC), DIMENSION(:), ALLOCATABLE :: events
-  TYPE(EVENT_STRUC) :: inter
-  
-  ! input dislocation (shear and tensile cracks)
-  TYPE(PLANE_STRUCT), DIMENSION(:), ALLOCATABLE :: n, op
-  TYPE(LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: linearlayer,nonlinearlayer
-  TYPE(LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: faultcreeplayer
-  TYPE(LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: linearstruc,nonlinearstruc
-  TYPE(LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: faultcreepstruc
-  TYPE(TENSOR_LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: stresslayer,stressstruc
-  TYPE(WEAK_STRUCT), DIMENSION(:), ALLOCATABLE :: linearweakzone,linearweakzonec, &
-                                            nonlinearweakzone,nonlinearweakzonec
+  REAL*8 :: t,Dt,tm
   
   ! arrays
   REAL*4, DIMENSION(:,:,:), ALLOCATABLE :: v1,v2,v3,u1,u2,u3,gamma
   REAL*4, DIMENSION(:,:), ALLOCATABLE :: t1,t2,t3
   REAL*4, DIMENSION(:,:,:), ALLOCATABLE :: inter1,inter2,inter3
   TYPE(TENSOR), DIMENSION(:,:,:), ALLOCATABLE :: tau,sig,moment
-  TYPE(VECTOR_STRUCT), DIMENSION(:), ALLOCATABLE :: opts
-  CHARACTER(LEN=4), DIMENSION(:), ALLOCATABLE :: ptsname
   
 #ifdef FFTW3_THREADS
   CALL sfftw_init_threads(iret)
@@ -223,74 +201,63 @@ PROGRAM relax
 #endif
 #endif
 
-  ! read standard input or filename given in argument
-  IF (0 .EQ. iargc()) THEN
-     ! standard input
-     unit=5
-  ELSE
-     ! open input file
-     CALL getarg(1,inputfile)
+  ! read input parameters
+  CALL init(in)
 
-     OPEN (UNIT=15,FILE=inputfile,IOSTAT=iostatus,FORM="FORMATTED")
-     IF (iostatus .GT. 0) THEN
-        WRITE_DEBUG_INFO
-        WRITE (0,'("unable to access input file ",a)') inputfile
-        STOP 1
-     END IF
-     ! input file
-     unit=15
+  IF (in%isdryrun) THEN
+     PRINT '("abort calculation")'
+  END IF
+  IF (in%isdryrun .OR. in%ishelp) THEN
+     ! exit program
+     GOTO 100
   END IF
 
-  CALL init(UNIT=unit)
-
-  ! close input file
-  IF (iargc() .GT. 0) CLOSE(15)
-
-  ALLOCATE (v1(sx1+2,sx2,sx3),v2(sx1+2,sx2,sx3),v3(sx1+2,sx2,sx3), &
-            u1(sx1+2,sx2,sx3/2),u2(sx1+2,sx2,sx3/2),u3(sx1+2,sx2,sx3/2), &
-            inter1(sx1+2,sx2,2),inter2(sx1+2,sx2,2),inter3(sx1+2,sx2,2), &
-            tau(sx1,sx2,sx3/2),gamma(sx1+2,sx2,sx3/2), &
-            t1(sx1+2,sx2),t2(sx1+2,sx2),t3(sx1+2,sx2), &
+  ! allocate memory
+  ALLOCATE (v1(in%sx1+2,in%sx2,in%sx3),v2(in%sx1+2,in%sx2,in%sx3),v3(in%sx1+2,in%sx2,in%sx3), &
+            u1(in%sx1+2,in%sx2,in%sx3/2),u2(in%sx1+2,in%sx2,in%sx3/2),u3(in%sx1+2,in%sx2,in%sx3/2), &
+            inter1(in%sx1+2,in%sx2,2),inter2(in%sx1+2,in%sx2,2),inter3(in%sx1+2,in%sx2,2), &
+            tau(in%sx1,in%sx2,in%sx3/2),gamma(in%sx1+2,in%sx2,in%sx3/2), &
+            t1(in%sx1+2,in%sx2),t2(in%sx1+2,in%sx2),t3(in%sx1+2,in%sx2), &
             STAT=iostatus)
   IF (iostatus>0) STOP "could not allocate memory"
   v1=0;v2=0;v3=0;u1=0;u2=0;u3=0;gamma=0;t1=0;t2=0;t3=0
-  CALL tensorfieldadd(tau,tau,sx1,sx2,sx3/2,c1=0._4,c2=0._4)
+  CALL tensorfieldadd(tau,tau,in%sx1,in%sx2,in%sx3/2,c1=0._4,c2=0._4)
 
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
   ! -     construct pre-stress structure
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-  IF (ALLOCATED(stresslayer)) THEN
-     CALL tensorstructure(stressstruc,stresslayer,dx3)
-     DEALLOCATE(stresslayer)
+  IF (ALLOCATED(in%stresslayer)) THEN
+     CALL tensorstructure(in%stressstruc,in%stresslayer,in%dx3)
+     DEALLOCATE(in%stresslayer)
      
-     DO k=1,sx3/2
-        tau(:,:,k)=(-1._4) .times. stressstruc(k)%t
+     DO k=1,in%sx3/2
+        tau(:,:,k)=(-1._4) .times. in%stressstruc(k)%t
      END DO
-     DEALLOCATE(stressstruc)
+     DEALLOCATE(in%stressstruc)
   END IF
 
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
   ! -     construct linear viscoelastic structure
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-  IF (ALLOCATED(linearlayer)) THEN
-     CALL viscoelasticstructure(linearstruc,linearlayer,dx3)
-     DEALLOCATE(linearlayer)
+  IF (ALLOCATED(in%linearlayer)) THEN
+     CALL viscoelasticstructure(in%linearstruc,in%linearlayer,in%dx3)
+     DEALLOCATE(in%linearlayer)
   END IF
 
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
   ! -   construct nonlinear viscoelastic structure
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-  IF (ALLOCATED(nonlinearlayer)) THEN
-     CALL viscoelasticstructure(nonlinearstruc,nonlinearlayer,dx3)
-     DEALLOCATE(nonlinearlayer)
+  IF (ALLOCATED(in%nonlinearlayer)) THEN
+     CALL viscoelasticstructure(in%nonlinearstruc,in%nonlinearlayer,in%dx3)
+     DEALLOCATE(in%nonlinearlayer)
   END IF
 
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
   ! -   construct nonlinear fault creep structure (rate-strenghtening)
   ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-  IF (ALLOCATED(faultcreeplayer)) THEN
-     CALL viscoelasticstructure(faultcreepstruc,faultcreeplayer,dx3)
-     DEALLOCATE(faultcreeplayer)
+  IF (ALLOCATED(in%faultcreeplayer)) THEN
+     CALL viscoelasticstructure(in%faultcreepstruc,in%faultcreeplayer,in%dx3)
+     DEALLOCATE(in%faultcreeplayer)
   END IF
 
   ! first event
@@ -299,94 +266,114 @@ PROGRAM relax
   oi=1;
 
   ! sources
-  CALL dislocations(events(e),lambda,mu,beta,sx1,sx2,sx3, &
-       dx1,dx2,dx3,v1,v2,v3,t1,t2,t3,tau)
-  CALL traction(mu,events(e),sx1,sx2,dx1,dx2,t3)
+  CALL dislocations(in%events(e),in%lambda,in%mu,in%beta,in%sx1,in%sx2,in%sx3, &
+       in%dx1,in%dx2,in%dx3,v1,v2,v3,t1,t2,t3,tau)
+  CALL traction(in%mu,in%events(e),in%sx1,in%sx2,in%dx1,in%dx2,t3)
   
   PRINT '("coseismic event ",I3.3)', e
   PRINT 0990
 
   ! export the amplitude of eigenstrain
-  CALL exporteigenstrain(gamma,nop,op,x0,y0,dx1,dx2,dx3,sx1,sx2,sx3/2,wdir,0)
+  CALL exporteigenstrain(gamma,in%nop,in%op,in%x0,in%y0, &
+                         in%dx1,in%dx2,in%dx3,in%sx1,in%sx2,in%sx3/2,in%wdir,0)
   
   ! export equivalent body forces
-  IF (isoutput(skip,t,i,odt,oi,events(e)%time)) THEN
+  IF (isoutput(in%skip,t,i,in%odt,oi,in%events(e)%time)) THEN
 #ifdef GRD_EQBF
-     CALL exportgrd(v1,v2,v3,sx1,sx2,sx3/2,dx1,dx2,dx3,0.7_8,x0,y0,wdir,0,convention=3)
+     IF (in%isoutputgrd) THEN
+        CALL exportgrd(v1,v2,v3,in%sx1,in%sx2,in%sx3/2, &
+                       in%dx1,in%dx2,in%dx3,0.7_8,in%x0,in%y0,in%wdir,0,convention=3)
+     END IF
 #endif
   END IF
 
   ! test the presence of dislocations for coseismic calculation
-  IF ((events(e)%nt .NE. 0) .OR. &
-      (events(e)%ns .NE. 0) .OR. &
-      (events(e)%nm .NE. 0)) THEN
+  IF ((in%events(e)%nt .NE. 0) .OR. &
+      (in%events(e)%ns .NE. 0) .OR. &
+      (in%events(e)%nm .NE. 0)) THEN
 
      ! apply the 3d elastic transfer function
-     CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3,dx1,dx2,dx3,lambda,mu,gam)
+     CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3, &
+                               in%dx1,in%dx2,in%dx3,in%lambda,in%mu,in%gam)
   END IF
   
   ! transfer solution
-  CALL fieldrep(u1,v1,sx1+2,sx2,sx3/2)
-  CALL fieldrep(u2,v2,sx1+2,sx2,sx3/2)
-  CALL fieldrep(u3,v3,sx1+2,sx2,sx3/2)
+  CALL fieldrep(u1,v1,in%sx1+2,in%sx2,in%sx3/2)
+  CALL fieldrep(u2,v2,in%sx1+2,in%sx2,in%sx3/2)
+  CALL fieldrep(u3,v3,in%sx1+2,in%sx2,in%sx3/2)
 
   ! export
 #ifdef TXT
-  CALL exporttxt(u1,u2,u3,sx1,sx2,sx3/2,oz,dx3,0,0._8,wdir,reportfilename)
+  IF (in%isoutputtxt) THEN
+     CALL exporttxt(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%oz,in%dx3,0,0._8,in%wdir,in%reportfilename)
+  END IF
 #endif
 #ifdef XYZ
-  CALL exportxyz(u1,u2,u3,sx1,sx2,sx3/2,oz,dx1,dx2,dx3,0,wdir)
+  IF (in%isoutputxyz) THEN
+     CALL exportxyz(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%oz,in%dx1,in%dx2,in%dx3,0,in%wdir)
+  END IF
 #endif
 #ifdef GRD
-  CALL exportgrd(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3,oz,x0,y0,wdir,0)
-  CALL exportgrd(inter1,inter2,inter3,sx1,sx2,sx3/2, &
-       dx1,dx2,dx3,0._8,x0,y0,wdir,0,convention=2)
+  IF (in%isoutputgrd) THEN
+     CALL exportgrd(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%oz,in%x0,in%y0,in%wdir,0)
+     CALL exportgrd(inter1,inter2,inter3,in%sx1,in%sx2,in%sx3/2, &
+          in%dx1,in%dx2,in%dx3,0._8,in%x0,in%y0,in%wdir,0,convention=2)
+  END IF
 #endif
 #ifdef PROJ
-  CALL exportproj(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3,oz, &
-                  x0,y0,lon0,lat0,zone,umult,wdir,0)
+  IF (in%isoutputproj) THEN
+     CALL exportproj(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%oz, &
+                     in%x0,in%y0,in%lon0,in%lat0,in%zone,in%umult,in%wdir,0)
+  END IF
 #endif
 #ifdef VTK
-  j=INDEX(wdir," ")
-  vcfilename=wdir(1:j-1)//"/disp-000.vtr"
-  CALL exportvtk_vectors(u1,u2,u3,sx1,sx2,sx3/4,dx1,dx2,dx3,8,8,8,vcfilename)
-  !CALL exportvtk_vectors_slice(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3,oz,8,8,vcfilename)
+  IF (in%isoutputvtk) THEN
+     vcfilename=trim(in%wdir)//"/disp-000.vtr"
+     CALL exportvtk_vectors(u1,u2,u3,in%sx1,in%sx2,in%sx3/4,in%dx1,in%dx2,in%dx3,8,8,8,vcfilename)
+     !CALL exportvtk_vectors_slice(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%oz,8,8,vcfilename)
+  END IF
 #endif
-  IF (ALLOCATED(ptsname)) THEN
-     CALL exportpoints(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3, &
-          opts,ptsname,0._8,wdir,.true.,x0,y0,rot)
+  IF (ALLOCATED(in%ptsname)) THEN
+     CALL exportpoints(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3, &
+          in%opts,in%ptsname,0._8,in%wdir,.true.,in%x0,in%y0,in%rot)
   END IF
-  CALL reporttime(0,0._8,reporttimefilename)
+  CALL reporttime(0,0._8,in%reporttimefilename)
 
-  PRINT 1101,0,0._8,0._8,0._8,0._8,0._8,interval,0._8,tensoramplitude(tau,dx1,dx2,dx3)
-  IF (interval .LE. 0) THEN
+  PRINT 1101,0,0._8,0._8,0._8,0._8,0._8,in%interval,0._8,tensoramplitude(tau,in%dx1,in%dx2,in%dx3)
+  IF (in%interval .LE. 0) THEN
      GOTO 100 ! no time integration
   END IF
 
-  ALLOCATE(moment(sx1,sx2,sx3/2),sig(sx1,sx2,sx3/2),STAT=iostatus)
+  ALLOCATE(moment(in%sx1,in%sx2,in%sx3/2),sig(in%sx1,in%sx2,in%sx3/2),STAT=iostatus)
   IF (iostatus>0) STOP "could not allocate the mechanical structure"
 
-  CALL tensorfieldadd(sig,sig,sx1,sx2,sx3/2,c1=0._4,c2=0._4)
-  CALL tensorfieldadd(moment,moment,sx1,sx2,sx3/2,c1=0._4,c2=0._4)  
+  CALL tensorfieldadd(sig,sig,in%sx1,in%sx2,in%sx3/2,c1=0._4,c2=0._4)
+  CALL tensorfieldadd(moment,moment,in%sx1,in%sx2,in%sx3/2,c1=0._4,c2=0._4)  
 
   t=0
   DO i=1,ITERATION_MAX
-     IF (t > (interval+1e-6)) GOTO 100 ! proper exit
+     IF (t > (in%interval+1e-6)) GOTO 100 ! proper exit
      
      ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      ! predictor
      ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-     CALL tensorfieldadd(sig,tau,sx1,sx2,sx3/2,c1=0._4,c2=-1._4)
-     CALL stressupdate(u1,u2,u3,lambda,mu,dx1,dx2,dx3,sx1,sx2,sx3/2,sig)
+     CALL tensorfieldadd(sig,tau,in%sx1,in%sx2,in%sx3/2,c1=0._4,c2=-1._4)
+     CALL stressupdate(u1,u2,u3,in%lambda,in%mu, &
+                       in%dx1,in%dx2,in%dx3,in%sx1,in%sx2,in%sx3/2,sig)
 
-     IF (isoutput(skip,t,i,odt,oi,events(e)%time)) THEN
+     IF (isoutput(in%skip,t,i,in%odt,oi,in%events(e)%time)) THEN
         ! export stress
 #ifdef GRD
-        CALL exportstressgrd(sig,sx1,sx2,sx3/2,dx1,dx2,dx3,ozs,x0,y0,wdir,i-1)
+        IF (in%isoutputgrd) THEN
+           CALL exportstressgrd(sig,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3, &
+                                in%ozs,in%x0,in%y0,in%wdir,i-1)
+        END IF
 #endif
 #ifdef PROJ
-        CALL exportstressproj(sig,sx1,sx2,sx3/2,dx1,dx2,dx3,ozs, &
-                              x0,y0,lon0,lat0,zone,umult,wdir,i-1)
+        IF (in%isoutputproj) THEN
+           CALL exportstressproj(sig,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%ozs, &
+                                 in%x0,in%y0,in%lon0,in%lat0,in%zone,in%umult,in%wdir,i-1)
+        END IF
 #endif
      END IF
 
@@ -398,31 +385,35 @@ PROGRAM relax
      mech(:)=0
 
      ! initialize no forcing term in tensor space
-     CALL tensorfieldadd(moment,moment,sx1,sx2,sx3/2,0._4,0._4)
+     CALL tensorfieldadd(moment,moment,in%sx1,in%sx2,in%sx3/2,0._4,0._4)
 
      ! power density from three mechanisms (linear and power-law viscosity 
      ! and fault creep)
      ! 1- linear viscosity
-     IF (ALLOCATED(linearstruc)) THEN
-        CALL viscouseigenstress(mu,linearstruc,linearweakzone,sig,sx1,sx2,sx3/2, &
-             dx1,dx2,dx3,moment,0.01_8,MAXWELLTIME=maxwell(1))
+     IF (ALLOCATED(in%linearstruc)) THEN
+        CALL viscouseigenstress(in%mu,in%linearstruc,in%linearweakzone, &
+             sig,in%sx1,in%sx2,in%sx3/2, &
+             in%dx1,in%dx2,in%dx3,moment,0.01_8,MAXWELLTIME=maxwell(1))
         mech(1)=1
      END IF
      
      ! 2- powerlaw viscosity
-     IF (ALLOCATED(nonlinearstruc)) THEN
-        CALL viscouseigenstress(mu,nonlinearstruc,nonlinearweakzone,sig,sx1,sx2,sx3/2, &
-             dx1,dx2,dx3,moment,0.01_8,MAXWELLTIME=maxwell(2))
+     IF (ALLOCATED(in%nonlinearstruc)) THEN
+        CALL viscouseigenstress(in%mu,in%nonlinearstruc,in%nonlinearweakzone, &
+             sig,in%sx1,in%sx2,in%sx3/2, &
+             in%dx1,in%dx2,in%dx3,moment,0.01_8,MAXWELLTIME=maxwell(2))
         mech(2)=1
      END IF
      
      ! 3- nonlinear fault creep with rate-strengthening friction
-     IF (ALLOCATED(faultcreepstruc)) THEN
-        DO k=1,np
-           CALL frictioneigenstress(n(k)%x,n(k)%y,n(k)%z, &
-                n(k)%width,n(k)%length,n(k)%strike,n(k)%dip,n(k)%rake,beta, &
-                sig,mu,faultcreepstruc,sx1,sx2,sx3/2,dx1,dx2,dx3,moment, &
-                maxwelltime=maxwell(3))
+     IF (ALLOCATED(in%faultcreepstruc)) THEN
+        DO k=1,in%np
+           CALL frictioneigenstress(in%n(k)%x,in%n(k)%y,in%n(k)%z, &
+                in%n(k)%width,in%n(k)%length, &
+                in%n(k)%strike,in%n(k)%dip,in%n(k)%rake,in%beta, &
+                sig,in%mu,in%faultcreepstruc, &
+                in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3, &
+                moment,maxwelltime=maxwell(3))
         END DO
         mech(3)=1
      END IF
@@ -435,230 +426,250 @@ PROGRAM relax
      tm=MIN(tm,STEP_MAX)
 
      ! modify
-     IF ((inter%ns .GT. 0) .OR. (inter%nt .GT. 0)) THEN
+     IF ((in%inter%ns .GT. 0) .OR. (in%inter%nt .GT. 0)) THEN
         IF (tm .EQ. STEP_MAX) THEN
            ! no relaxation occurs, pick a small integration time
-           tm=interval/20._8
+           tm=in%interval/20._8
         END IF
      END IF
      
      ! choose an integration time step
-     CALL integrationstep(tm,Dt,t,oi,odt,skip,tscale,events,e,ne)
+     CALL integrationstep(tm,Dt,t,oi,in%odt,in%skip,in%tscale,in%events,e,in%ne)
 
-     CALL tensorfieldadd(sig,moment,sx1,sx2,sx3/2,c1=0.0_4,c2=1._4)
+     CALL tensorfieldadd(sig,moment,in%sx1,in%sx2,in%sx3/2,c1=0.0_4,c2=1._4)
      
      v1=0;v2=0;v3=0;t1=0;t2=0;t3=0;
-     CALL equivalentbodyforce(sig,dx1,dx2,dx3,sx1,sx2,sx3/2,v1,v2,v3,t1,t2,t3)
-     CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3,dx1,dx2,dx3,lambda,mu,gam)
+     CALL equivalentbodyforce(sig,in%dx1,in%dx2,in%dx3,in%sx1,in%sx2,in%sx3/2,v1,v2,v3,t1,t2,t3)
+     CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3,in%dx1,in%dx2,in%dx3,in%lambda,in%mu,in%gam)
      
      ! v1,v2,v3 contain the predictor displacement
-     CALL fieldadd(v1,u1,sx1+2,sx2,sx3/2,c1=REAL(Dt/2))
-     CALL fieldadd(v2,u2,sx1+2,sx2,sx3/2,c1=REAL(Dt/2))
-     CALL fieldadd(v3,u3,sx1+2,sx2,sx3/2,c1=REAL(Dt/2))
-     CALL tensorfieldadd(sig,tau,sx1,sx2,sx3/2,c1=-REAL(Dt/2),c2=-1._4)
+     CALL fieldadd(v1,u1,in%sx1+2,in%sx2,in%sx3/2,c1=REAL(Dt/2))
+     CALL fieldadd(v2,u2,in%sx1+2,in%sx2,in%sx3/2,c1=REAL(Dt/2))
+     CALL fieldadd(v3,u3,in%sx1+2,in%sx2,in%sx3/2,c1=REAL(Dt/2))
+     CALL tensorfieldadd(sig,tau,in%sx1,in%sx2,in%sx3/2,c1=-REAL(Dt/2),c2=-1._4)
 
      ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      ! corrector
      ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-     CALL stressupdate(v1,v2,v3,lambda,mu,dx1,dx2,dx3,sx1,sx2,sx3/2,sig)
+     CALL stressupdate(v1,v2,v3,in%lambda,in%mu, &
+                       in%dx1,in%dx2,in%dx3,in%sx1,in%sx2,in%sx3/2,sig)
 
      ! reinitialize moment density tensor
-     CALL tensorfieldadd(moment,moment,sx1,sx2,sx3/2,0._4,0._4)
+     CALL tensorfieldadd(moment,moment,in%sx1,in%sx2,in%sx3/2,0._4,0._4)
      
-     IF (ALLOCATED(linearstruc)) THEN
+     IF (ALLOCATED(in%linearstruc)) THEN
         ! linear viscosity
         v1=0
-        CALL viscouseigenstress(mu,linearstruc,linearweakzone,sig,sx1,sx2,sx3/2, &
-             dx1,dx2,dx3,moment,0.01_8,GAMMA=v1)
+        CALL viscouseigenstress(in%mu,in%linearstruc,in%linearweakzone,sig, &
+             in%sx1,in%sx2,in%sx3/2, &
+             in%dx1,in%dx2,in%dx3,moment,0.01_8,GAMMA=v1)
         
         ! update slip history
-        CALL fieldadd(gamma,v1,sx1+2,sx2,sx3/2,c2=REAL(Dt))
+        CALL fieldadd(gamma,v1,in%sx1+2,in%sx2,in%sx3/2,c2=REAL(Dt))
      END IF
      
-     IF (ALLOCATED(nonlinearstruc)) THEN
+     IF (ALLOCATED(in%nonlinearstruc)) THEN
         ! powerlaw viscosity
         v1=0
-        CALL viscouseigenstress(mu,nonlinearstruc,nonlinearweakzone,sig,sx1,sx2,sx3/2, &
-             dx1,dx2,dx3,moment,0.01_8,GAMMA=v1)
+        CALL viscouseigenstress(in%mu,in%nonlinearstruc,in%nonlinearweakzone,sig, &
+             in%sx1,in%sx2,in%sx3/2, &
+             in%dx1,in%dx2,in%dx3,moment,0.01_8,GAMMA=v1)
         
         ! update slip history
-        CALL fieldadd(gamma,v1,sx1+2,sx2,sx3/2,c2=REAL(Dt))
+        CALL fieldadd(gamma,v1,in%sx1+2,in%sx2,in%sx3/2,c2=REAL(Dt))
      END IF
      
      ! nonlinear fault creep with rate-strengthening friction
-     IF (ALLOCATED(faultcreepstruc)) THEN
+     IF (ALLOCATED(in%faultcreepstruc)) THEN
         ! use v1 as placeholders for the afterslip planes
         v1=0
-        DO k=1,np
+        DO k=1,in%np
            ! one may use optional arguments ...,VEL=v1) to convert
            ! fault slip to eigenstrain (scalar)
-           CALL frictioneigenstress(n(k)%x,n(k)%y,n(k)%z, &
-                n(k)%width,n(k)%length,n(k)%strike,n(k)%dip,n(k)%rake,beta, &
-                sig,mu,faultcreepstruc,sx1,sx2,sx3/2,dx1,dx2,dx3,moment)
+           CALL frictioneigenstress(in%n(k)%x,in%n(k)%y,in%n(k)%z, &
+                in%n(k)%width,in%n(k)%length, &
+                in%n(k)%strike,in%n(k)%dip,in%n(k)%rake,in%beta, &
+                sig,in%mu,in%faultcreepstruc,in%sx1,in%sx2,in%sx3/2, &
+                in%dx1,in%dx2,in%dx3,moment)
         END DO
         
         ! update slip history
-        CALL fieldadd(gamma,v1,sx1+2,sx2,sx3/2,c2=REAL(Dt))
+        CALL fieldadd(gamma,v1,in%sx1+2,in%sx2,in%sx3/2,c2=REAL(Dt))
 
         ! export strike and dip creep velocity
-        IF (isoutput(skip,t,i,odt,oi,events(e)%time)) THEN
-           CALL exportcreep(np,n,beta,sig,faultcreepstruc, &
-                            sx1,sx2,sx3/2,dx1,dx2,dx3,x0,y0,wdir,oi)
+        IF (isoutput(in%skip,t,i,in%odt,oi,in%events(e)%time)) THEN
+           CALL exportcreep(in%np,in%n,in%beta,sig,in%faultcreepstruc, &
+                            in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%x0,in%y0,in%wdir,oi)
         END IF
      END IF
      
      ! interseismic loading
-     IF ((inter%ns .GT. 0) .OR. (inter%nt .GT. 0)) THEN
+     IF ((in%inter%ns .GT. 0) .OR. (in%inter%nt .GT. 0)) THEN
         ! vectors v1,v2,v3 are not affected.
-        CALL dislocations(inter,lambda,mu,beta,sx1,sx2,sx3, &
-             dx1,dx2,dx3,v1,v2,v3,t1,t2,t3,tau,factor=Dt,eigenstress=moment)
+        CALL dislocations(in%inter,in%lambda,in%mu,in%beta,in%sx1,in%sx2,in%sx3, &
+             in%dx1,in%dx2,in%dx3,v1,v2,v3,t1,t2,t3,tau,factor=Dt,eigenstress=moment)
      END IF
      
      v1=0;v2=0;v3=0;t1=0;t2=0;t3=0;
-     CALL equivalentbodyforce(moment,dx1,dx2,dx3,sx1,sx2,sx3/2,v1,v2,v3,t1,t2,t3)
+     CALL equivalentbodyforce(moment,in%dx1,in%dx2,in%dx3,in%sx1,in%sx2,in%sx3/2,v1,v2,v3,t1,t2,t3)
 
      ! export equivalent body forces
-     IF (isoutput(skip,t,i,odt,oi,events(e)%time)) THEN
+     IF (isoutput(in%skip,t,i,in%odt,oi,in%events(e)%time)) THEN
 #ifdef VTK_EQBF
-        WRITE (digit,'(I3.3)') oi
-        j=INDEX(wdir," ")
-        vcfilename=wdir(1:j-1)//"/eqbf-"//digit//".vtr"
-        CALL exportvtk_vectors(v1,v2,v3,sx1,sx2,sx3/4,dx1,dx2,dx3,8,8,8,vcfilename)
+        IF (in%isoutputvtk) THEN
+           WRITE (digit,'(I3.3)') oi
+           vcfilename=trim(in%wdir)//"/eqbf-"//digit//".vtr"
+           CALL exportvtk_vectors(v1,v2,v3,in%sx1,in%sx2,in%sx3/4,in%dx1,in%dx2,in%dx3,8,8,8,vcfilename)
+        END IF
 #endif
 #ifdef GRD_EQBF
-        CALL exportgrd(v1,v2,v3,sx1,sx2,sx3/2,dx1,dx2,dx3,30.7_8,x0,y0,wdir,oi,convention=3)
+        IF (in%isoutputgrd) THEN
+           CALL exportgrd(v1,v2,v3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3, &
+                          in%oz,in%x0,y0,in%wdir,oi,convention=3)
+        END IF
 #endif
      END IF
 
-     CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3,dx1,dx2,dx3,lambda,mu,gam)
+     CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3,in%dx1,in%dx2,in%dx3,in%lambda,in%mu,in%gam)
 
      ! update deformation field
-     CALL fieldadd(u1,v1,sx1+2,sx2,sx3/2,c2=REAL(Dt))
-     CALL fieldadd(u2,v2,sx1+2,sx2,sx3/2,c2=REAL(Dt))
-     CALL fieldadd(u3,v3,sx1+2,sx2,sx3/2,c2=REAL(Dt))
-     CALL tensorfieldadd(tau,moment,sx1,sx2,sx3/2,c2=REAL(Dt))
+     CALL fieldadd(u1,v1,in%sx1+2,in%sx2,in%sx3/2,c2=REAL(Dt))
+     CALL fieldadd(u2,v2,in%sx1+2,in%sx2,in%sx3/2,c2=REAL(Dt))
+     CALL fieldadd(u3,v3,in%sx1+2,in%sx2,in%sx3/2,c2=REAL(Dt))
+     CALL tensorfieldadd(tau,moment,in%sx1,in%sx2,in%sx3/2,c2=REAL(Dt))
      
      ! keep track of the viscoelastic contribution alone
-     CALL sliceadd(inter1(:,:,1),v1,sx1+2,sx2,sx3,int(oz/dx3)+1,c2=REAL(Dt))
-     CALL sliceadd(inter2(:,:,1),v2,sx1+2,sx2,sx3,int(oz/dx3)+1,c2=REAL(Dt))
-     CALL sliceadd(inter3(:,:,1),v3,sx1+2,sx2,sx3,int(oz/dx3)+1,c2=REAL(Dt))
+     CALL sliceadd(inter1(:,:,1),v1,in%sx1+2,in%sx2,in%sx3,int(in%oz/in%dx3)+1,c2=REAL(Dt))
+     CALL sliceadd(inter2(:,:,1),v2,in%sx1+2,in%sx2,in%sx3,int(in%oz/in%dx3)+1,c2=REAL(Dt))
+     CALL sliceadd(inter3(:,:,1),v3,in%sx1+2,in%sx2,in%sx3,int(in%oz/in%dx3)+1,c2=REAL(Dt))
 
      ! time increment
      t=t+Dt
      
      ! next event
-     IF (e .LT. ne) THEN
-        IF (abs(t-events(e+1)%time) .LT. 1e-6) THEN
+     IF (e .LT. in%ne) THEN
+        IF (abs(t-in%events(e+1)%time) .LT. 1e-6) THEN
            e=e+1
-           events(e)%i=i
+           in%events(e)%i=i
            PRINT '("coseismic event ",I3.3)', e
            PRINT 0990
            
            v1=0;v2=0;v3=0;t1=0;t2=0;t3=0;
-           CALL dislocations(events(e),lambda,mu,beta,sx1,sx2,sx3, &
-                dx1,dx2,dx3,v1,v2,v3,t1,t2,t3,tau)
-           CALL traction(mu,events(e),sx1,sx2,dx1,dx2,t3)
+           CALL dislocations(in%events(e),in%lambda,in%mu, &
+                in%beta,in%sx1,in%sx2,in%sx3, &
+                in%dx1,in%dx2,in%dx3,v1,v2,v3,t1,t2,t3,tau)
+           CALL traction(in%mu,in%events(e),in%sx1,in%sx2,in%dx1,in%dx2,t3)
 
            ! apply the 3d elastic transfert function
-           CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3,dx1,dx2,dx3,lambda,mu,gam)
+           CALL greenfunctioncowling(v1,v2,v3,t1,t2,t3, &
+                in%dx1,in%dx2,in%dx3,in%lambda,in%mu,in%gam)
            
            ! transfer solution
-           CALL fieldadd(u1,v1,sx1+2,sx2,sx3/2)
-           CALL fieldadd(u2,v2,sx1+2,sx2,sx3/2)
-           CALL fieldadd(u3,v3,sx1+2,sx2,sx3/2)
+           CALL fieldadd(u1,v1,in%sx1+2,in%sx2,in%sx3/2)
+           CALL fieldadd(u2,v2,in%sx1+2,in%sx2,in%sx3/2)
+           CALL fieldadd(u3,v3,in%sx1+2,in%sx2,in%sx3/2)
 
         END IF
      END IF
 
      ! points are exported at all time steps
-     IF (ALLOCATED(ptsname)) THEN
-        CALL exportpoints(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3, &
-             opts,ptsname,t,wdir,.false.,x0,y0,rot)
+     IF (ALLOCATED(in%ptsname)) THEN
+        CALL exportpoints(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3, &
+             in%opts,in%ptsname,t,in%wdir,.false.,in%x0,in%y0,in%rot)
      END IF
 
      ! output only at discrete intervals (skip=0, odt>0),
      ! or every "skip" computational steps (skip>0, odt<0),
      ! or anytime a coseismic event occurs
-     IF (isoutput(skip,t,i,odt,oi,events(e)%time)) THEN
+     IF (isoutput(in%skip,t,i,in%odt,oi,in%events(e)%time)) THEN
         
-        CALL reporttime(1,t,reporttimefilename)
+        CALL reporttime(1,t,in%reporttimefilename)
 
         ! export
 #ifdef TXT
-        CALL exporttxt(u1,u2,u3,sx1,sx2,sx3/2,oz,dx3,oi,t,wdir,reportfilename)
+        IF (in%isoutputtxt) THEN
+           CALL exporttxt(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%oz,in%dx3,oi,t,in%wdir,in%reportfilename)
+        END IF
 #endif  
 #ifdef XYZ
-        CALL exportxyz(u1,u2,u3,sx1,sx2,sx3/2,oz,dx1,dx2,dx3,i,wdir)
-        !CALL exportxyz(inter1,inter2,inter3,sx1,sx2,sx3/2,0.0_8,dx1,dx2,dx3,i,wdir)
+        IF (in%isoutputxyz) THEN
+           CALL exportxyz(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%oz,in%dx1,in%dx2,in%dx3,i,in%wdir)
+           !CALL exportxyz(inter1,inter2,inter3,in%sx1,in%sx2,in%sx3/2,0.0_8,in%dx1,in%dx2,in%dx3,i,in%wdir)
+        END IF
 #endif
-        CALL exporteigenstrain(gamma,nop,op,x0,y0,dx1,dx2,dx3,sx1,sx2,sx3/2,wdir,oi)
+        CALL exporteigenstrain(gamma,in%nop,in%op,in%x0,in%y0,in%dx1,in%dx2,in%dx3,in%sx1,in%sx2,in%sx3/2,in%wdir,oi)
 #ifdef GRD
-        CALL exportgrd(inter1,inter2,inter3,sx1,sx2,sx3/2, &
-                       dx1,dx2,dx3,0._8,x0,y0,wdir,oi,convention=2)
-        CALL exportgrd(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3,oz,x0,y0,wdir,oi)
+        IF (in%isoutputgrd) THEN
+           CALL exportgrd(inter1,inter2,inter3,in%sx1,in%sx2,in%sx3/2, &
+                          in%dx1,in%dx2,in%dx3,0._8,in%x0,in%y0,in%wdir,oi,convention=2)
+           CALL exportgrd(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%oz,in%x0,in%y0,in%wdir,oi)
+        END IF
 #endif
 #ifdef PROJ
-        CALL exportproj(inter1,inter2,inter3,sx1,sx2,sx3/2, &
-                        dx1,dx2,dx3,oz,x0,y0, &
-                        lon0,lat0,zone,umult,wdir,oi,convention=2)
-        CALL exportproj(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3,oz,x0,y0, &
-                        lon0,lat0,zone,umult,wdir,oi)
+        IF (in%isoutputproj) THEN
+           CALL exportproj(inter1,inter2,inter3,in%sx1,in%sx2,in%sx3/2, &
+                           in%dx1,in%dx2,in%dx3,in%oz,in%x0,in%y0, &
+                           in%lon0,in%lat0,in%zone,in%umult,in%wdir,oi,convention=2)
+           CALL exportproj(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%oz,in%x0,in%y0, &
+                           in%lon0,in%lat0,in%zone,in%umult,in%wdir,oi)
+        END IF
 #endif
 #ifdef VTK
-        WRITE (digit,'(I3.3)') oi
-        j=INDEX(wdir," ")
-        ! export total displacement in VTK XML format
-        vcfilename=wdir(1:j-1)//"/disp-"//digit//".vtr"
-        CALL exportvtk_vectors(u1,u2,u3,sx1,sx2,sx3/4,dx1,dx2,dx3,8,8,8,vcfilename)
-        !CALL exportvtk_vectors_slice(u1,u2,u3,sx1,sx2,sx3/2,dx1,dx2,dx3,oz,8,8,vcfilename)
+        IF (in%isoutputvtk) THEN
+           WRITE (digit,'(I3.3)') oi
+           ! export total displacement in VTK XML format
+           vcfilename=trim(in%wdir)//"/disp-"//digit//".vtr"
+           CALL exportvtk_vectors(u1,u2,u3,in%sx1,in%sx2,in%sx3/4,in%dx1,in%dx2,in%dx3,8,8,8,vcfilename)
+           !CALL exportvtk_vectors_slice(u1,u2,u3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%oz,8,8,vcfilename)
 
-        ! export instantaneous velocity in VTK XML format
-        vcfilename=wdir(1:j-1)//"/vel-"//digit//".vtr"
-        CALL exportvtk_vectors(v1,v2,v3,sx1,sx2,sx3/4,dx1,dx2,dx3,8,8,8,vcfilename)
-        !CALL exportvtk_vectors_slice(v1,v2,v3,sx1,sx2,sx3/2,dx1,dx2,dx3,oz,8,8,vcfilename)
+           ! export instantaneous velocity in VTK XML format
+           vcfilename=trim(in%wdir)//"/vel-"//digit//".vtr"
+           CALL exportvtk_vectors(v1,v2,v3,in%sx1,in%sx2,in%sx3/4,in%dx1,in%dx2,in%dx3,8,8,8,vcfilename)
+           !CALL exportvtk_vectors_slice(v1,v2,v3,in%sx1,in%sx2,in%sx3/2,in%dx1,in%dx2,in%dx3,in%oz,8,8,vcfilename)
+        END IF
 #endif
 
-        PRINT 1101,i,Dt,maxwell,t,interval, &
-             tensoramplitude(moment,dx1,dx2,dx3), &
-             tensoramplitude(tau,dx1,dx2,dx3)
+        PRINT 1101,i,Dt,maxwell,t,in%interval, &
+             tensoramplitude(moment,in%dx1,in%dx2,in%dx3), &
+             tensoramplitude(tau,in%dx1,in%dx2,in%dx3)
 
         ! update output counter
         oi=oi+1
      ELSE
-        PRINT 1100,i,Dt,maxwell,t,interval, &
-             tensoramplitude(moment,dx1,dx2,dx3), &
-             tensoramplitude(tau,dx1,dx2,dx3)
+        PRINT 1100,i,Dt,maxwell,t,in%interval, &
+             tensoramplitude(moment,in%dx1,in%dx2,in%dx3), &
+             tensoramplitude(tau,in%dx1,in%dx2,in%dx3)
      END IF
 
   END DO
 
 100 CONTINUE
 
-  DO i=1,ne
-     IF (ALLOCATED(events(i)%s))  DEALLOCATE(events(i)%s,events(i)%sc)
-     IF (ALLOCATED(events(i)%ts)) DEALLOCATE(events(i)%ts,events(i)%tsc)
+  DO i=1,in%ne
+     IF (ALLOCATED(in%events(i)%s))  DEALLOCATE(in%events(i)%s,in%events(i)%sc)
+     IF (ALLOCATED(in%events(i)%ts)) DEALLOCATE(in%events(i)%ts,in%events(i)%tsc)
   END DO
-  IF (ALLOCATED(events)) DEALLOCATE(events)
+  IF (ALLOCATED(in%events)) DEALLOCATE(in%events)
 
   ! free memory
   IF (ALLOCATED(gamma)) DEALLOCATE(gamma)
-  IF (ALLOCATED(opts)) DEALLOCATE(opts)
-  IF (ALLOCATED(op)) DEALLOCATE(op)
-  IF (ALLOCATED(n)) DEALLOCATE(n)
-  IF (ALLOCATED(stressstruc)) DEALLOCATE(stressstruc)
-  IF (ALLOCATED(linearstruc)) DEALLOCATE(linearstruc)
-  IF (ALLOCATED(nonlinearstruc)) DEALLOCATE(nonlinearstruc)
-  IF (ALLOCATED(faultcreepstruc)) DEALLOCATE(faultcreepstruc)
+  IF (ALLOCATED(in%opts)) DEALLOCATE(in%opts)
+  IF (ALLOCATED(in%op)) DEALLOCATE(in%op)
+  IF (ALLOCATED(in%n)) DEALLOCATE(in%n)
+  IF (ALLOCATED(in%stressstruc)) DEALLOCATE(in%stressstruc)
+  IF (ALLOCATED(in%linearstruc)) DEALLOCATE(in%linearstruc)
+  IF (ALLOCATED(in%nonlinearstruc)) DEALLOCATE(in%nonlinearstruc)
+  IF (ALLOCATED(in%faultcreepstruc)) DEALLOCATE(in%faultcreepstruc)
   IF (ALLOCATED(sig)) DEALLOCATE(sig)
   IF (ALLOCATED(tau)) DEALLOCATE(tau)
   IF (ALLOCATED(moment)) DEALLOCATE(moment)
-  IF (ALLOCATED(stresslayer)) DEALLOCATE(stresslayer)
-  IF (ALLOCATED(linearlayer)) DEALLOCATE(linearlayer)
-  IF (ALLOCATED(nonlinearlayer)) DEALLOCATE(nonlinearlayer)
-  IF (ALLOCATED(faultcreeplayer)) DEALLOCATE(faultcreeplayer)
-  DEALLOCATE(v1,v2,v3,t1,t2,t3)
-  DEALLOCATE(u1,u2,u3)
-  DEALLOCATE(inter1,inter2,inter3)
+  IF (ALLOCATED(in%stresslayer)) DEALLOCATE(in%stresslayer)
+  IF (ALLOCATED(in%linearlayer)) DEALLOCATE(in%linearlayer)
+  IF (ALLOCATED(in%nonlinearlayer)) DEALLOCATE(in%nonlinearlayer)
+  IF (ALLOCATED(in%faultcreeplayer)) DEALLOCATE(in%faultcreeplayer)
+  IF (ALLOCATED(v1)) DEALLOCATE(v1,v2,v3,t1,t2,t3)
+  IF (ALLOCATED(u1)) DEALLOCATE(u1,u2,u3)
+  IF (ALLOCATED(inter1)) DEALLOCATE(inter1,inter2,inter3)
 
 
 #ifdef FFTW3_THREADS
@@ -672,39 +683,6 @@ 1200 FORMAT ("--------------------------
 1200 FORMAT ("----------------------------------------------------------------------------")
 
 CONTAINS
-
-  !--------------------------------------------------------------------
-  ! subroutine eqbf_mask
-  ! fills an array with positive values if some linear/nonlinear/creep
-  ! is expected at the corresponding depth, zero otherwise.
-  !
-  ! the mask can be given to the routine "equivalentBodyForce" to skip
-  ! these depths where no creep happens.
-  !--------------------------------------------------------------------
-  SUBROUTINE eqbf_mask(mask,sx)
-    INTEGER, INTENT(IN) :: sx
-    REAL*4, DIMENSION(sx), INTENT(OUT) :: mask
-    
-    IF (ALLOCATED(linearstruc)) THEN
-       DO k=1,sx
-          mask(k)=MAX(mask(k),REAL(linearstruc(k)%gammadot0,4))
-       END DO
-    END IF
-    IF (ALLOCATED(nonlinearstruc)) THEN
-       DO k=1,sx
-          mask(k)=MAX(mask(k),REAL(nonlinearstruc(k)%gammadot0,4))
-       END DO
-    END IF
-    IF (ALLOCATED(faultcreepstruc)) THEN
-       DO k=1,sx
-          mask(k)=MAX(mask(k),REAL(faultcreepstruc(k)%gammadot0,4))
-       END DO
-    END IF
-
-    ! smooth the mask in the depth direction
-    mask(1:sx-2)=(mask(1:sx-2)+mask(2:sx-1)+mask(3:sx))/3._4
-
-  END SUBROUTINE eqbf_mask
 
   !---------------------------------------------------------------------
   ! subroutine Traction 
@@ -741,7 +719,7 @@ CONTAINS
   ! not reverse in the postseismic time.
   !--------------------------------------------------------------------
   SUBROUTINE dislocations(event,lambda,mu,beta,sx1,sx2,sx3,dx1,dx2,dx3, &
-       v1,v2,v3,t1,t2,t3,tau,factor,eigenstress)
+                          v1,v2,v3,t1,t2,t3,tau,factor,eigenstress)
     TYPE(EVENT_STRUC), INTENT(IN) :: event
     INTEGER, INTENT(IN) :: sx1,sx2,sx3
     REAL*8, INTENT(IN) :: lambda,mu,beta,dx1,dx2,dx3
@@ -855,946 +833,6 @@ CONTAINS
     
   END SUBROUTINE dislocations
 
-  SUBROUTINE init(unit)
-    INTEGER, OPTIONAL, INTENT(INOUT) :: unit
-
-    INTEGER :: k,iostatus,i,e
-    CHARACTER(180) :: dataline
-#ifdef VTK
-    INTEGER :: j
-    CHARACTER(3) :: digit
-#endif
-    INTEGER :: iunit
-!$  INTEGER :: omp_get_num_procs,omp_get_max_threads
-    REAL*8 :: dummy,dum1,dum2
-
-    ! default is standard input
-    IF (.NOT. PRESENT(unit)) THEN
-       iunit=5
-    ELSE
-       iunit=unit
-    END IF
-
-    PRINT 2000
-    PRINT '("     nonlinear viscoelastic postseismic relaxation")'
-#ifdef FFTW3
-#ifdef FFTW3_THREADS
-    PRINT '("     * FFTW3 (multi-threaded) implementation of the FFT")'
-#else
-    PRINT '("     * FFTW3 implementation of the FFT")'
-#endif
-#else
-#ifdef SGI_FFT
-    PRINT '("     * SGI_FFT implementation of the FFT")'
-#else
-#ifdef IMKL_FFT
-    PRINT '("     * Intel MKL implementation of the FFT")'
-#else
-    PRINT '("     * fourt implementation of the FFT")'
-#endif
-#endif
-#endif
-!$  PRINT '("     * parallel OpenMP implementation with ",I3.3,"/",I3.3," threads")', &
-!$                  omp_get_max_threads(),omp_get_num_procs()
-#ifdef GRD
-    PRINT '("     * export to GRD format")'
-#endif
-#ifdef TXT
-    PRINT '("     * export to TXT format")'
-#endif
-#ifdef VTK
-    PRINT '("     * export to VTK format")'
-#endif
-#ifdef PROJ
-    PRINT '("     * export to longitude/latitude text format")'
-#endif
-    PRINT 2000
-
-    PRINT '(a)', "grid dimension (sx1,sx2,sx3)"
-    CALL getdata(iunit,dataline)
-    READ (dataline,*) sx1,sx2,sx3
-    PRINT '(3I5)', sx1,sx2,sx3
-
-    PRINT '(a)', "sampling (dx1,dx2,dx3), smoothing (beta, nyquist)"
-    CALL getdata(iunit,dataline)
-    READ  (dataline,*) dx1,dx2,dx3,beta,nyquist
-    PRINT '(5ES9.2E1)', dx1,dx2,dx3,beta,nyquist
-
-    PRINT '(a)', "origin position (x0,y0) and rotation"
-    CALL getdata(iunit,dataline)
-    READ  (dataline,*) x0, y0, rot
-    PRINT '(3ES9.2E1)', x0, y0, rot
-
-#ifdef PROJ
-    PRINT '(a)', "geographic origin (longitude, latitude, UTM zone, unit)"
-    CALL getdata(iunit,dataline)
-    READ  (dataline,*) lon0,lat0,zone,umult
-    PRINT '(2ES9.2E1,I3.2,ES9.2E1)',lon0,lat0,zone,umult
-    IF (zone.GT.60 .OR. zone.LT.1) THEN
-       WRITE_DEBUG_INFO
-       WRITE (0,'("invalid UTM zone ",I," (1<=zone<=60. exiting.)")') zone
-       STOP 1
-    END IF
-#endif
-
-    PRINT '(a)', "observation depth (displacement and stress)"
-    CALL getdata(iunit,dataline)
-    READ  (dataline,*) oz,ozs
-    PRINT '(2ES9.2E1)', oz,ozs
-
-    PRINT '(a)', "output directory"
-    CALL getdata(iunit,dataline)
-    READ (dataline,'(a)') wdir
-    i=INDEX(wdir," ")
-    reporttimefilename=wdir(1:i-1)//"/time.txt"
-    reportfilename=wdir(1:i-1)//"/report.txt"
-    logfilename=wdir(1:i-1)//"/relax.log"
-    inputfilename=wdir(1:i-1)//"/relax.inp"
-#ifdef TXT
-    PRINT '(" ",a," (report: ",a,")")', wdir(1:i-1),reportfilename(1:i+10)
-#else
-    PRINT '(" ",a," (time report: ",a,")")', wdir(1:i-1),reporttimefilename(1:i+8)
-#endif
-
-    ! test write permissions on output directory
-    OPEN (UNIT=14,FILE=reportfilename,POSITION="APPEND",&
-            IOSTAT=iostatus,FORM="FORMATTED")
-    IF (iostatus>0) THEN
-       WRITE_DEBUG_INFO
-       WRITE (0,'("unable to access ",a)') reporttimefilename(1:i+10)
-       STOP 1
-    END IF
-    CLOSE(14)
-    ! end test
-
-#ifdef VTK
-    cgfilename=wdir(1:i-1)//"/cgrid.vtp"
-    CALL exportvtk_grid(sx1,sx2,sx3,dx1,dx2,dx3,x0,y0,cgfilename)
-#endif
-
-    PRINT '(a)', "lambda, mu, gamma (gamma = (1 - nu) rho g / mu)"
-    CALL getdata(iunit,dataline)
-    READ (dataline,*) lambda,mu,gam
-    PRINT '(3ES10.2E2)',lambda,mu,gam
-
-    PRINT '(a)', "time interval, (positive time step) or (negative skip, scaling)"
-    CALL getdata(unit,dataline)
-    READ  (dataline,*) interval, odt
-    IF (odt .LT. 0.) THEN
-       READ  (dataline,*) dum1, dum2, tscale
-       skip=ceiling(-odt)
-       PRINT '(ES9.2E1," (output every ",I3.3," steps, dt scaled by ",ES7.2E1,")")', &
-             interval,skip,tscale
-    ELSE
-       PRINT '(ES9.2E1," (output every ",ES9.2E1," time unit)")', interval,odt
-    END IF
-
-    
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !         O B S E R V A T I O N       P L A N E S
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of observation planes"
-    CALL getdata(unit,dataline)
-    READ  (dataline,*) nop
-    PRINT '(I5)', nop
-    IF (nop .gt. 0) THEN
-       ALLOCATE(op(nop),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the observation plane list"
-       PRINT 2000
-       PRINT 2100
-       PRINT 2000
-       DO k=1,nop
-          CALL getdata(unit,dataline)
-          READ  (dataline,*) i,op(k)%x,op(k)%y,op(k)%z,&
-               op(k)%length,op(k)%width,op(k)%strike,op(k)%dip
-
-          PRINT '(I3.3," ",5ES9.2E1,2f7.1)', &
-               k,op(k)%x,op(k)%y,op(k)%z, &
-               op(k)%length,op(k)%width,op(k)%strike,op(k)%dip
-
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,*) "error in input file: plane index misfit", k,"<>",i
-             WRITE (0,*) op(k)
-             STOP 1
-          END IF
-
-          ! comply to Wang's convention
-          CALL wangconvention(dummy,op(k)%x,op(k)%y,op(k)%z,&
-               op(k)%length,op(k)%width,op(k)%strike,op(k)%dip,dummy,rot)
-
-       END DO
-    END IF
-
-
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !         O B S E R V A T I O N       P O I N T S
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of observation points"
-    CALL getdata(iunit,dataline)
-    READ  (dataline,*) npts
-    PRINT '(I5)', npts
-    IF (npts .gt. 0) THEN
-       ALLOCATE(opts(npts),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the observation point list"
-       ALLOCATE(ptsname(npts),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the list of point name"
-
-       PRINT 2000
-       PRINT 2300
-       PRINT 2000
-       DO k=1,npts
-          CALL getdata(iunit,dataline)
-          READ (dataline,*) i,ptsname(k),opts(k)%v1,opts(k)%v2,opts(k)%v3
-
-          PRINT '(I3.3," ",A4,3ES9.2E1)', i,ptsname(k), &
-               opts(k)%v1,opts(k)%v2,opts(k)%v3
-
-          ! shift and rotate coordinates
-          opts(k)%v1=opts(k)%v1-x0
-          opts(k)%v2=opts(k)%v2-y0
-          CALL rotation(opts(k)%v1,opts(k)%v2,rot)
-
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: points index misfit")')
-             STOP 1
-          END IF
-       END DO
-
-    END IF
-
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !                     P R E S T R E S S
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of prestress interfaces"
-    CALL getdata(unit,dataline)
-    READ  (dataline,*) nps
-    PRINT '(I5)', nps
-
-    IF (nps .GT. 0) THEN
-       ALLOCATE(stresslayer(nps),stressstruc(sx3/2),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the stress layer structure"
-       
-       PRINT 2000
-       PRINT '(a)', "no.    depth  sigma11  sigma12  sigma13  sigma22  sigma23  sigma33"
-       PRINT 2000
-       DO k=1,nps
-          CALL getdata(unit,dataline)
-          READ  (dataline,*) i,stresslayer(k)%z, &
-               stresslayer(k)%t%s11, stresslayer(k)%t%s12, &
-               stresslayer(k)%t%s13, stresslayer(k)%t%s22, &
-               stresslayer(k)%t%s23, stresslayer(k)%t%s33
-          
-          PRINT '(I3.3,7ES9.2E1)', i, &
-               stresslayer(k)%z, &
-               stresslayer(k)%t%s11, stresslayer(k)%t%s12, &
-               stresslayer(k)%t%s13, stresslayer(k)%t%s22, &
-               stresslayer(k)%t%s23, stresslayer(k)%t%s33
-          
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: index misfit")')
-             STOP 1
-          END IF
-       END DO
-    END IF
-
-
-
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !  L I N E A R    V I S C O U S    I N T E R F A C E
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of linear viscous interfaces"
-    CALL getdata(unit,dataline)
-    READ  (dataline,*) nv
-    PRINT '(I5)', nv
-    
-    IF (nv .GT. 0) THEN
-       ALLOCATE(linearlayer(nv),linearstruc(sx3/2),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the layer structure"
-       
-       PRINT 2000
-       PRINT '(a)', "no.     depth    gamma0  cohesion"
-       PRINT 2000
-       DO k=1,nv
-          CALL getdata(unit,dataline)
-          READ  (dataline,*) i,linearlayer(k)%z, &
-               linearlayer(k)%gammadot0, linearlayer(k)%cohesion
-
-          linearlayer(k)%stressexponent=1
-
-          PRINT '(I3.3,3ES10.2E2)', i, &
-               linearlayer(k)%z, &
-               linearlayer(k)%gammadot0, &
-               linearlayer(k)%cohesion
-          
-          ! check positive strain rates
-          IF (linearlayer(k)%gammadot0 .LT. 0) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: strain rates must be positive")')
-             STOP 1
-          END IF
-
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: index misfit")')
-             STOP 1
-          END IF
-#ifdef VTK
-          ! export the viscous layer in VTK format
-          j=INDEX(wdir," ")
-          WRITE (digit,'(I3.3)') k
-
-          rffilename=wdir(1:j-1)//"/linearlayer-"//digit//".vtp"
-          CALL exportvtk_rectangle(0.d0,0.d0,linearlayer(k)%z, &
-                                   DBLE(sx1)*dx1,DBLE(sx2)*dx2, &
-                                   0._8,1.57d0,rffilename)
-#endif
-       END DO
-
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-       !                 L I N E A R   W E A K   Z O N E S
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-       PRINT '(a)', "number of linear weak zones (nlwz)"
-       CALL getdata(iunit,dataline)
-       READ  (dataline,*) nlwz
-       PRINT '(I5)', nlwz
-       IF (nlwz .GT. 0) THEN
-          ALLOCATE(linearweakzone(nlwz),linearweakzonec(nlwz),STAT=iostatus)
-          IF (iostatus>0) STOP "could not allocate the linear weak zones"
-          PRINT 2000
-          PRINT '(a)', "no. dgammadot0     x1       x2       x3  length   width thickn. strike   dip"
-          PRINT 2000
-          DO k=1,nlwz
-             CALL getdata(iunit,dataline)
-             READ  (dataline,*) i, &
-                  linearweakzone(k)%dgammadot0, &
-                  linearweakzone(k)%x,linearweakzone(k)%y,linearweakzone(k)%z,&
-                  linearweakzone(k)%length,linearweakzone(k)%width,linearweakzone(k)%thickness, &
-                  linearweakzone(k)%strike,linearweakzone(k)%dip
-          
-             linearweakzonec(k)=linearweakzone(k)
-             
-             PRINT '(I3.3,4ES9.2E1,3ES8.2E1,f7.1,f6.1)',k,&
-                  linearweakzone(k)%dgammadot0, &
-                  linearweakzone(k)%x,linearweakzone(k)%y,linearweakzone(k)%z, &
-                  linearweakzone(k)%length,linearweakzone(k)%width, &
-                  linearweakzone(k)%thickness, &
-                  linearweakzone(k)%strike,linearweakzone(k)%dip
-             
-             IF (i .ne. k) THEN
-                WRITE_DEBUG_INFO
-                WRITE (0,'("error in input file: source index misfit")')
-                STOP 1
-             END IF
-             ! comply to Wang's convention
-             CALL wangconvention( &
-                  dummy, & 
-                  linearweakzone(k)%x,linearweakzone(k)%y,linearweakzone(k)%z, &
-                  linearweakzone(k)%length,linearweakzone(k)%width, &
-                  linearweakzone(k)%strike,linearweakzone(k)%dip,dummy,rot)
-#ifdef VTK
-                  ! export the ductile zone in VTK format
-                  j=INDEX(wdir," ")-1
-                  WRITE (digit,'(I3.3)') k
-
-                  rffilename=wdir(1:j)//"/weakzone-"//digit//".vtp"
-                  CALL exportvtk_brick(linearweakzone(k)%x,linearweakzone(k)%y,linearweakzone(k)%z, &
-                                       linearweakzone(k)%length,linearweakzone(k)%width,linearweakzone(k)%thickness, &
-                                       linearweakzone(k)%strike,linearweakzone(k)%dip,rffilename)
-#endif
-          END DO
-       END IF
-    END IF ! end linear viscous
-       
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !  N O N L I N E A R    V I S C O U S    I N T E R F A C E
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of nonlinear viscous interfaces"
-    CALL getdata(unit,dataline)
-    READ  (dataline,*) npl
-    PRINT '(I5)', npl
-
-    IF (npl .GT. 0) THEN
-       ALLOCATE(nonlinearlayer(npl),nonlinearstruc(sx3/2),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the layer structure"
-       
-       PRINT 2000
-       PRINT '(a)', "no.     depth    gamma0     power  cohesion"
-       PRINT 2000
-       DO k=1,npl
-          CALL getdata(unit,dataline)
-
-          READ  (dataline,*) i,nonlinearlayer(k)%z, &
-               nonlinearlayer(k)%gammadot0, &
-               nonlinearlayer(k)%stressexponent, &
-               nonlinearlayer(k)%cohesion
-
-          PRINT '(I3.3,4ES10.2E2)', i, &
-               nonlinearlayer(k)%z, &
-               nonlinearlayer(k)%gammadot0, &
-               nonlinearlayer(k)%stressexponent, &
-               nonlinearlayer(k)%cohesion
-          
-          ! check positive strain rates
-          IF (nonlinearlayer(k)%gammadot0 .LT. 0) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: strain rates must be positive")')
-             STOP 1
-          END IF
-
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: index misfit")')
-             STOP 1
-          END IF
-          
-       END DO
-
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-       !           N O N L I N E A R   W E A K   Z O N E S
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-       PRINT '(a)', "number of nonlinear weak zones (nnlwz)"
-       CALL getdata(iunit,dataline)
-       READ  (dataline,*) nnlwz
-       PRINT '(I5)', nnlwz
-       IF (nnlwz .GT. 0) THEN
-          ALLOCATE(nonlinearweakzone(nnlwz),nonlinearweakzonec(nnlwz),STAT=iostatus)
-          IF (iostatus>0) STOP "could not allocate the nonlinear weak zones"
-          PRINT 2000
-          PRINT '(a)', "no. dgammadot0     x1       x2       x3  length   width thickn. strike   dip"
-          PRINT 2000
-          DO k=1,nnlwz
-             CALL getdata(iunit,dataline)
-             READ  (dataline,*) i, &
-                  nonlinearweakzone(k)%dgammadot0, &
-                  nonlinearweakzone(k)%x,nonlinearweakzone(k)%y,nonlinearweakzone(k)%z,&
-                  nonlinearweakzone(k)%length,nonlinearweakzone(k)%width,nonlinearweakzone(k)%thickness, &
-                  nonlinearweakzone(k)%strike,nonlinearweakzone(k)%dip
-          
-             nonlinearweakzonec(k)=nonlinearweakzone(k)
-             
-             PRINT '(I3.3,4ES9.2E1,3ES8.2E1,f7.1,f6.1)',k,&
-                  nonlinearweakzone(k)%dgammadot0, &
-                  nonlinearweakzone(k)%x,nonlinearweakzone(k)%y,nonlinearweakzone(k)%z, &
-                  nonlinearweakzone(k)%length,nonlinearweakzone(k)%width, &
-                  nonlinearweakzone(k)%thickness, &
-                  nonlinearweakzone(k)%strike,nonlinearweakzone(k)%dip
-             
-             IF (i .ne. k) THEN
-                WRITE_DEBUG_INFO
-                WRITE (0,'("error in input file: source index misfit")')
-                STOP 1
-             END IF
-             ! comply to Wang's convention
-             CALL wangconvention( &
-                  dummy, & 
-                  nonlinearweakzone(k)%x,nonlinearweakzone(k)%y,nonlinearweakzone(k)%z, &
-                  nonlinearweakzone(k)%length,nonlinearweakzone(k)%width, &
-                  nonlinearweakzone(k)%strike,nonlinearweakzone(k)%dip,dummy,rot)
-          END DO
-       END IF
-    END IF ! end nonlinear viscous
-
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !                 F A U L T    C R E E P
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of fault creep interfaces"
-    CALL getdata(unit,dataline)
-    READ  (dataline,*) nfc
-    PRINT '(I5)', nfc
-
-    IF (nfc .GT. 0) THEN
-       ALLOCATE(faultcreeplayer(nfc),faultcreepstruc(sx3/2),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the layer structure"
-
-       PRINT 2000
-       PRINT '(a)', "no.    depth   gamma0 (a-b)sig friction cohesion"
-       PRINT 2000
-       DO k=1,nfc
-          CALL getdata(unit,dataline)
-          READ  (dataline,*) i,faultcreeplayer(k)%z, &
-               faultcreeplayer(k)%gammadot0, &
-               faultcreeplayer(k)%stressexponent, &
-               faultcreeplayer(k)%friction, &
-               faultcreeplayer(k)%cohesion
-
-          PRINT '(I3.3,5ES9.2E1)', i, &
-               faultcreeplayer(k)%z, &
-               faultcreeplayer(k)%gammadot0, &
-               faultcreeplayer(k)%stressexponent, &
-               faultcreeplayer(k)%friction, &
-               faultcreeplayer(k)%cohesion
-
-          ! check positive strain rates
-          IF (faultcreeplayer(k)%gammadot0 .LT. 0) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: slip rates must be positive")')
-             STOP 1
-          END IF
-
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: index misfit")')
-             STOP 1
-          END IF
-
-       END DO
-
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-       !             A F T E R S L I P       P L A N E S
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-       PRINT '(a)', "number of afterslip planes"
-       CALL getdata(unit,dataline)
-       READ  (dataline,*) np
-       PRINT '(I5)', np
-       
-       IF (np .gt. 0) THEN
-          ALLOCATE(n(np),STAT=iostatus)
-          IF (iostatus>0) STOP "could not allocate the plane list"
-       
-          PRINT 2000
-          PRINT 2500
-          PRINT 2000
-          
-          DO k=1,np
-             CALL getdata(unit,dataline)
-             READ  (dataline,*) i,n(k)%x,n(k)%y,n(k)%z,&
-                  n(k)%length,n(k)%width,n(k)%strike,n(k)%dip,n(k)%rake
-             
-             PRINT '(I3.3," ",5ES9.2E1,3f7.1)',i, &
-                  n(k)%x,n(k)%y,n(k)%z, &
-                  n(k)%length,n(k)%width,n(k)%strike,n(k)%dip,n(k)%rake
-
-             IF (i .ne. k) THEN
-                WRITE_DEBUG_INFO
-                WRITE (0,'("error in input file: plane index misfit")')
-                STOP 1
-             END IF
-
-             ! modify rake for consistency with slip model
-             IF (n(k)%rake .GE. 0.d0) THEN
-                n(k)%rake=n(k)%rake-180.d0
-             ELSE             
-                n(k)%rake=n(k)%rake+180.d0
-             END IF
-
-             ! comply to Wang's convention
-             CALL wangconvention(dummy,n(k)%x,n(k)%y,n(k)%z,&
-                  n(k)%length,n(k)%width,n(k)%strike,n(k)%dip,n(k)%rake,rot)
-
-#ifdef VTK
-             ! export the afterslip segment in VTK format
-             j=INDEX(wdir," ")
-             WRITE (digit,'(I3.3)') k
-
-             rffilename=wdir(1:j-1)//"/aplane-"//digit//".vtp"
-             CALL exportvtk_rectangle(n(k)%x,n(k)%y,n(k)%z,n(k)%length,n(k)%width, &
-                                      n(k)%strike,n(k)%dip,rffilename)
-#endif
-
-          END DO
-       END IF
-       
-    END IF
-
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !     I N T E R - S E I S M I C    L O A D I N G
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    minlength=sx1*dx1+sx2*dx2
-    minwidth=sx3*dx3
-    
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !        S H E A R     S O U R C E S   R A T E
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of inter-seismic strike-slip segments"
-    CALL getdata(iunit,dataline)
-    READ  (dataline,*) inter%ns
-    PRINT '(I5)', inter%ns
-    IF (inter%ns .GT. 0) THEN
-       ALLOCATE(inter%s(inter%ns),inter%sc(inter%ns),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the source list"
-       PRINT 2000
-       PRINT '(a)',"no.  slip  xs ys zs  length width  strike dip rake"
-       PRINT 2000
-       DO k=1,inter%ns
-          CALL getdata(iunit,dataline)
-          READ (dataline,*) i,inter%s(k)%slip, &
-               inter%s(k)%x,inter%s(k)%y,inter%s(k)%z, &
-               inter%s(k)%length,inter%s(k)%width, &
-               inter%s(k)%strike,inter%s(k)%dip,inter%s(k)%rake
-          ! copy the input format for display
-          inter%sc(k)=inter%s(k)
-             
-          PRINT '(I3.3,4ES9.2E1,2ES8.2E1,f7.1,f6.1,f7.1)',i, &
-               inter%sc(k)%slip,&
-               inter%sc(k)%x,inter%sc(k)%y,inter%sc(k)%z, &
-               inter%sc(k)%length,inter%sc(k)%width, &
-               inter%sc(k)%strike,inter%sc(k)%dip, &
-               inter%sc(k)%rake
-          
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: source index misfit")')
-             STOP 1
-          END IF
-          IF (MAX(inter%s(k)%length,inter%s(k)%width) .LE. 0._8) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: lengths must be positive.")')
-             STOP 1
-          END IF
-          IF (inter%s(k)%length .lt. minlength) THEN
-             minlength=inter%s(k)%length
-          END IF
-          IF (inter%s(k)%width  .lt. minwidth ) THEN
-             minwidth =inter%s(k)%width
-          END IF
-          
-          ! smooth out the slip distribution
-          CALL antialiasingfilter(inter%s(k)%slip, &
-                      inter%s(k)%length,inter%s(k)%width, &
-                      dx1,dx2,dx3,nyquist)
-
-          ! comply to Wang's convention
-          CALL wangconvention(inter%s(k)%slip, &
-               inter%s(k)%x,inter%s(k)%y,inter%s(k)%z, &
-               inter%s(k)%length,inter%s(k)%width, &
-               inter%s(k)%strike,inter%s(k)%dip, &
-               inter%s(k)%rake,rot)
-
-       END DO
-       PRINT 2000
-    END IF
-    
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !       T E N S I L E   S O U R C E S   R A T E
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of inter-seismic tensile segments"
-    CALL getdata(iunit,dataline)
-    READ  (dataline,*) inter%nt
-    PRINT '(I5)', inter%nt
-    IF (inter%nt .GT. 0) THEN
-       ALLOCATE(inter%ts(inter%nt),inter%tsc(inter%nt),STAT=iostatus)
-       IF (iostatus>0) STOP "could not allocate the tensile source list"
-       PRINT 2000
-       PRINT '(a)',"no. opening xs ys zs  length width  strike dip"
-       PRINT 2000
-       DO k=1,inter%nt
-          CALL getdata(iunit,dataline)
-          READ  (dataline,*) i,inter%ts(k)%slip, &
-               inter%ts(k)%x,inter%ts(k)%y,inter%ts(k)%z, &
-               inter%ts(k)%length,inter%ts(k)%width, &
-               inter%ts(k)%strike,inter%ts(k)%dip
-          ! copy the input format for display
-          inter%tsc(k)=inter%ts(k)
-          
-          PRINT '(I3.3,4ES9.2E1,2ES8.2E1,f7.1,f6.1)', i, &
-               inter%tsc(k)%slip,&
-               inter%tsc(k)%x,inter%tsc(k)%y,inter%tsc(k)%z, &
-               inter%tsc(k)%length,inter%tsc(k)%width, &
-               inter%tsc(k)%strike,inter%tsc(k)%dip
-          
-          IF (i .ne. k) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: tensile source index misfit")')
-             STOP 1
-          END IF
-          IF (MAX(inter%ts(k)%length,inter%ts(k)%width) .LE. 0._8) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'("error in input file: lengths must be positive.")')
-             STOP 1
-          END IF
-          IF (inter%ts(k)%length .lt. minlength) THEN
-             minlength=inter%ts(k)%length
-          END IF
-          IF (inter%ts(k)%width  .lt. minwidth) THEN
-             minwidth =inter%ts(k)%width
-          END IF
-          
-          ! smooth out the slip distribution
-          CALL antialiasingfilter(inter%ts(k)%slip, &
-                           inter%ts(k)%length,inter%ts(k)%width, &
-                           dx1,dx2,dx3,nyquist)
-
-          ! comply to Wang's convention
-          CALL wangconvention(inter%ts(k)%slip, &
-               inter%ts(k)%x,inter%ts(k)%y,inter%ts(k)%z, &
-               inter%ts(k)%length,inter%ts(k)%width, &
-               inter%ts(k)%strike,inter%ts(k)%dip,dummy,rot)
-
-       END DO
-       PRINT 2000
-    END IF
-       
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    !       C 0 - S E I S M I C     E V E N T S
-    ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-    PRINT '(a)', "number of events"
-    CALL getdata(iunit,dataline)
-    READ (dataline,*) ne
-    PRINT '(I5)', ne
-    IF (ne .GT. 0) ALLOCATE(events(ne),STAT=iostatus)
-    IF (iostatus>0) STOP "could not allocate the event list"
-    
-    DO e=1,ne
-       IF (1 .NE. e) THEN
-          PRINT '("time of next coseismic event")'
-          CALL getdata(iunit,dataline)
-          READ (dataline,*) events(e)%time
-          
-          IF (0 .EQ. skip) THEN
-             ! change event time to multiples of output time step
-             events(e)%time=fix(events(e)%time/odt)*odt
-          END IF
-
-          PRINT '(ES9.2E1," (multiple of ",ES9.2E1,")")', &
-               events(e)%time,odt
-
-          IF (events(e)%time .LE. events(e-1)%time) THEN
-             WRITE_DEBUG_INFO
-             WRITE (0,'(a,a)') "input file error. ", &
-                  "coseismic source time must increase. interrupting."
-             STOP 1
-          END IF
-       ELSE
-          events(1)%time=0._8
-          events(1)%i=0
-       END IF
-
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       !           S H E A R     S O U R C E S
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       PRINT '(a)', "number of coseismic strike-slip segments (ns)"
-       CALL getdata(iunit,dataline)
-       READ  (dataline,*) events(e)%ns
-       PRINT '(I5)', events(e)%ns
-       IF (events(e)%ns .GT. 0) THEN
-          ALLOCATE(events(e)%s(events(e)%ns),events(e)%sc(events(e)%ns), &
-               STAT=iostatus)
-          IF (iostatus>0) STOP "could not allocate the source list"
-          PRINT 2000
-          PRINT '(a)',"no.     slip       xs       ys       zs  length   width strike   dip   rake"
-          PRINT 2000
-          DO k=1,events(e)%ns
-             CALL getdata(iunit,dataline)
-             READ (dataline,*) i,events(e)%s(k)%slip, &
-                  events(e)%s(k)%x,events(e)%s(k)%y,events(e)%s(k)%z, &
-                  events(e)%s(k)%length,events(e)%s(k)%width, &
-                  events(e)%s(k)%strike,events(e)%s(k)%dip,events(e)%s(k)%rake
-             ! copy the input format for display
-             events(e)%sc(k)=events(e)%s(k)
-             
-             PRINT '(I3.3,4ES9.2E1,2ES8.2E1,f7.1,f6.1,f7.1)',i, &
-                  events(e)%sc(k)%slip,&
-                  events(e)%sc(k)%x,events(e)%sc(k)%y,events(e)%sc(k)%z, &
-                  events(e)%sc(k)%length,events(e)%sc(k)%width, &
-                  events(e)%sc(k)%strike,events(e)%sc(k)%dip, &
-                  events(e)%sc(k)%rake
-             
-             IF (i .ne. k) THEN
-                WRITE_DEBUG_INFO
-                WRITE (0,'("invalid shear source definition ")')
-                WRITE (0,'("error in input file: source index misfit")')
-                STOP 1
-             END IF
-             IF (MAX(events(e)%s(k)%length,events(e)%s(k)%width) .LE. 0._8) THEN
-                WRITE_DEBUG_INFO
-                WRITE (0,'("error in input file: lengths must be positive.")')
-                STOP 1
-             END IF
-             IF (events(e)%s(k)%length .lt. minlength) THEN
-                minlength=events(e)%s(k)%length
-             END IF
-             IF (events(e)%s(k)%width  .lt. minwidth ) THEN
-                minwidth =events(e)%s(k)%width
-             END IF
-             
-             ! smooth out the slip distribution
-             CALL antialiasingfilter(events(e)%s(k)%slip, &
-                              events(e)%s(k)%length,events(e)%s(k)%width, &
-                              dx1,dx2,dx3,nyquist)
-
-             ! comply to Wang's convention
-             CALL wangconvention(events(e)%s(k)%slip, &
-                  events(e)%s(k)%x,events(e)%s(k)%y,events(e)%s(k)%z, &
-                  events(e)%s(k)%length,events(e)%s(k)%width, &
-                  events(e)%s(k)%strike,events(e)%s(k)%dip, &
-                  events(e)%s(k)%rake,rot)
-
-          END DO
-
-#ifdef VTK
-          ! export the fault segments in VTK format for the current event
-          j=INDEX(wdir," ")
-          WRITE (digit,'(I3.3)') e
-
-          rffilename=wdir(1:j-1)//"/rfaults-"//digit//".vtp"
-          CALL exportvtk_rfaults(events(e),rffilename)
-#endif
-          rffilename=wdir(1:j-1)//"/rfaults-"//digit//".xy"
-          CALL exportxy_rfaults(events(e),rffilename)
-
-          PRINT 2000
-       END IF
-       
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       !          T E N S I L E      S O U R C E S
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       PRINT '(a)', "number of coseismic tensile segments (nt)"
-       CALL getdata(iunit,dataline)
-       READ  (dataline,*) events(e)%nt
-       PRINT '(I5)', events(e)%nt
-       IF (events(e)%nt .GT. 0) THEN
-          ALLOCATE(events(e)%ts(events(e)%nt),events(e)%tsc(events(e)%nt), &
-               STAT=iostatus)
-          IF (iostatus>0) STOP "could not allocate the tensile source list"
-          PRINT 2000
-          PRINT '(a)',"no. opening xs ys zs  length width  strike dip"
-          PRINT 2000
-          DO k=1,events(e)%nt
-             CALL getdata(iunit,dataline)
-             READ  (dataline,*) i,events(e)%ts(k)%slip, &
-                  events(e)%ts(k)%x,events(e)%ts(k)%y,events(e)%ts(k)%z, &
-                  events(e)%ts(k)%length,events(e)%ts(k)%width, &
-                  events(e)%ts(k)%strike,events(e)%ts(k)%dip
-             ! copy the input format for display
-             events(e)%tsc(k)=events(e)%ts(k)
-             
-             PRINT '(I3.3,4ES9.2E1,2ES8.2E1,f7.1,f6.1)',k, &
-                  events(e)%tsc(k)%slip,&
-                  events(e)%tsc(k)%x,events(e)%tsc(k)%y,events(e)%tsc(k)%z, &
-                  events(e)%tsc(k)%length,events(e)%tsc(k)%width, &
-                  events(e)%tsc(k)%strike,events(e)%tsc(k)%dip
-             
-             IF (i .ne. k) THEN
-                PRINT *, "error in input file: source index misfit"
-                STOP 1
-             END IF
-             IF (events(e)%ts(k)%length .lt. minlength) THEN
-                minlength=events(e)%ts(k)%length
-             END IF
-             IF (events(e)%ts(k)%width  .lt. minwidth) THEN
-                minwidth =events(e)%ts(k)%width
-             END IF
-             
-             ! smooth out the slip distribution
-             CALL antialiasingfilter(events(e)%ts(k)%slip, &
-                              events(e)%ts(k)%length,events(e)%ts(k)%width, &
-                              dx1,dx2,dx3,nyquist)
-
-             ! comply to Wang's convention
-             CALL wangconvention(events(e)%ts(k)%slip, &
-                  events(e)%ts(k)%x,events(e)%ts(k)%y,events(e)%ts(k)%z, &
-                  events(e)%ts(k)%length,events(e)%ts(k)%width, &
-                  events(e)%ts(k)%strike,events(e)%ts(k)%dip,dummy,rot)
-
-          END DO
-          PRINT 2000
-       END IF
-       
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       !                M O G I      S O U R C E S
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       PRINT '(a)', "number of coseismic dilatation point sources"
-       CALL getdata(iunit,dataline)
-       READ  (dataline,*) events(e)%nm
-       PRINT '(I5)', events(e)%nm
-       IF (events(e)%nm .GT. 0) THEN
-          ALLOCATE(events(e)%m(events(e)%nm),events(e)%mc(events(e)%nm), &
-               STAT=iostatus)
-          IF (iostatus>0) STOP "could not allocate the tensile source list"
-          PRINT 2000
-          PRINT '(a)',"no. strain (positive for extension) xs ys zs"
-          PRINT 2000
-          DO k=1,events(e)%nm
-             CALL getdata(iunit,dataline)
-             READ  (dataline,*) i,events(e)%m(k)%slip, &
-                  events(e)%m(k)%x,events(e)%m(k)%y,events(e)%m(k)%z
-             ! copy the input format for display
-             events(e)%mc(k)=events(e)%m(k)
-             
-             PRINT '(I3.3,4ES9.2E1)',k, &
-                  events(e)%mc(k)%slip,&
-                  events(e)%mc(k)%x,events(e)%mc(k)%y,events(e)%mc(k)%z
-             
-             IF (i .ne. k) THEN
-                PRINT *, "error in input file: source index misfit"
-                STOP 1
-             END IF
-             
-             ! rotate the source in the computational reference frame
-             CALL rotation(events(e)%m(k)%x,events(e)%m(k)%y,rot)
-          END DO
-          PRINT 2000
-       END IF
-
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       !             S U R F A C E   L O A D S
-       ! - - - - - - - - - - - - - - - - - - - - - - - - - -
-       PRINT '(a)', "number of surface loads"
-       CALL getdata(iunit,dataline)
-       READ  (dataline,*) events(e)%nl
-       PRINT '(I5)', events(e)%nl
-       IF (events(e)%nl .GT. 0) THEN
-          ALLOCATE(events(e)%l(events(e)%nl),events(e)%lc(events(e)%nl), &
-               STAT=iostatus)
-          IF (iostatus>0) STOP "could not allocate the load list"
-          PRINT 2000
-          PRINT '(a)',"no. xs ys t3 (force/surface/rigidity, positive down)"
-          PRINT 2000
-          DO k=1,events(e)%nl
-             CALL getdata(iunit,dataline)
-             READ  (dataline,*) i, &
-                  events(e)%l(k)%x,events(e)%l(k)%y,events(e)%l(k)%slip
-             ! copy the input format for display
-             events(e)%lc(k)=events(e)%l(k)
-             
-             PRINT '(I3.3,4ES9.2E1)',k, &
-                  events(e)%lc(k)%x,events(e)%lc(k)%y,events(e)%lc(k)%slip
-             
-             IF (i .NE. k) THEN
-                PRINT *, "error in input file: source index misfit"
-                STOP 1
-             END IF
-             
-             ! rotate the source in the computational reference frame
-             CALL rotation(events(e)%l(k)%x,events(e)%l(k)%y,rot)
-          END DO
-          PRINT 2000
-       END IF
-       
-    END DO
-
-    ! test the presence of dislocations for coseismic calculation
-    IF ((events(1)%nt .EQ. 0) .AND. &
-        (events(1)%ns .EQ. 0) .AND. &
-        (events(1)%nm .EQ. 0) .AND. &
-        (events(1)%nl .EQ. 0) .AND. &
-        (interval .LE. 0._8)) THEN
-
-       WRITE_DEBUG_INFO
-       WRITE (0,'("**** error **** ")')
-       WRITE (0,'("no input dislocations or dilatation point sources")')
-       WRITE (0,'("or surface tractions for first event . exiting.")')
-       STOP 1
-    END IF
-
-    ! maximum recommended sampling size
-    PRINT '(a,2ES8.2E1)', &
-         "max sampling size (hor.,vert.):", minlength/2.5_8,minwidth/2.5_8
-
-    PRINT 2000
-
-2000 FORMAT ("----------------------------------------------------------------------------")
-2100 FORMAT ("no.        x1       x2       x3   length    width strike    dip")
-2200 FORMAT ("no. slip        x1         x2         x3    length   width strike  dip  rake")
-2300 FORMAT ("no. name       x1       x2       x3 (name is a 4-character string)")
-2400 FORMAT ("no. strain       x1       x2       x3 (positive for extension)")
-2500 FORMAT ("no.        x1       x2       x3   length    width strike    dip   rake")
-
-  END SUBROUTINE init
-
   !--------------------------------------------------------------------
   ! function IsOutput
   ! checks if output should be written based on user choices: if output
@@ -1898,93 +936,4 @@ 2500 FORMAT ("no.        x1       x2    
 
   END SUBROUTINE integrationstep
 
-  !------------------------------------------------------------------
-  ! subroutine Rotation
-  ! rotates a point coordinate into the computational reference
-  ! system.
-  ! 
-  ! sylvain barbot (04/16/09) - original form
-  !------------------------------------------------------------------
-  SUBROUTINE rotation(x,y,rot)
-    REAL*8, INTENT(INOUT) :: x,y
-    REAL*8, INTENT(IN) :: rot
-
-    REAL*8 :: alpha,xx,yy
-
-    alpha=rot*DEG2RAD
-    xx=x
-    yy=y
-
-    x=+xx*cos(alpha)+yy*sin(alpha)
-    y=-xx*sin(alpha)+yy*cos(alpha)
-
-  END SUBROUTINE rotation
-
-  !-------------------------------------------------------------------
-  ! subroutine AntiAliasingFilter
-  ! smoothes a slip distribution model to avoid aliasing of
-  ! the source geometry. Aliasing occurs is a slip patch has 
-  ! dimensions (width or length) smaller than the grid sampling.
-  !
-  ! if a patch length is smaller than a critical size L=dx*nyquist, it 
-  ! is increased to L and the slip (or opening) is scaled accordingly
-  ! so that the moment M = s*L*W is conserved.
-  !
-  ! sylvain barbot (12/08/09) - original form
-  !-------------------------------------------------------------------
-  SUBROUTINE antialiasingfilter(slip,length,width,dx1,dx2,dx3,nyquist)
-    REAL*8, INTENT(INOUT) :: slip,length,width
-    REAL*8, INTENT(IN) :: dx1,dx2,dx3,nyquist
-
-    REAL*8 :: dx
-
-    ! minimum slip patch dimension
-    dx=MIN(dx1,dx2,dx3)*nyquist
-
-    ! update length
-    IF (length .LT. dx) THEN
-       slip=slip*length/dx
-       length=dx
-    END IF
-    ! update width
-    IF (width .LT. dx) THEN
-       slip=slip*width/dx
-       width=dx
-    END IF
-
-  END SUBROUTINE antialiasingfilter
-
-  !------------------------------------------------------------------
-  ! subroutine WangConvention
-  ! converts a fault slip model from a geologic description including
-  ! fault length, width, strike, dip and rake into a description
-  ! compatible with internal convention of the program.
-  !
-  ! Internal convention describes a fault patch by the location of
-  ! its center, instead of an upper corner and its orientation by
-  ! the deviation from the vertical, instead of the angle from the
-  ! horizontal and by the angle from the x2 axis (East-West)
-  !------------------------------------------------------------------
-  SUBROUTINE wangconvention(slip,x,y,z,length,width,strike,dip,rake,rot)
-    REAL*8, INTENT(OUT) :: slip, x,y,z,strike,dip,rake
-    REAL*8, INTENT(IN) :: length,width,rot
-
-    slip=-slip
-    strike=-90._8-strike
-    dip   = 90._8-dip
-
-    strike=strike*DEG2RAD
-    dip=dip*DEG2RAD
-    rake=rake*DEG2RAD
-
-    x=x-x0-length/2._8*sin(strike)+width /2._8*sin(dip)*cos(strike)
-    y=y-y0-length/2._8*cos(strike)-width /2._8*sin(dip)*sin(strike)
-    z=z+width /2._8*cos(dip)
-
-    CALL rotation(x,y,rot)
-
-    strike=strike+rot*DEG2RAD
-
-  END SUBROUTINE wangconvention
-  
 END PROGRAM relax
diff -r 9992112ff05a -r 7596917b8776 types.f90
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/types.f90	Tue Apr 26 15:00:49 2011 -0700
@@ -0,0 +1,189 @@
+!-----------------------------------------------------------------------
+! Copyright 2007, 2008, 2009 Sylvain Barbot
+!
+! This file is part of RELAX
+!
+! RELAX is free software: you can redistribute it and/or modify
+! it under the terms of the GNU General Public License as published by
+! the Free Software Foundation, either version 3 of the License, or
+! (at your option) any later version.
+!
+! RELAX is distributed in the hope that it will be useful,
+! but WITHOUT ANY WARRANTY; without even the implied warranty of
+! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+! GNU General Public License for more details.
+!
+! You should have received a copy of the GNU General Public License
+! along with RELAX.  If not, see <http://www.gnu.org/licenses/>.
+!-----------------------------------------------------------------------
+
+#include 'include.f90'
+
+MODULE types
+
+  TYPE SOURCE_STRUCT
+     SEQUENCE
+     REAL*8 :: slip,x,y,z,width,length,strike,dip,rake
+  END TYPE SOURCE_STRUCT
+
+  TYPE PLANE_STRUCT
+     SEQUENCE
+     REAL*8 :: x,y,z,width,length,strike,dip,rake
+  END TYPE PLANE_STRUCT
+
+  TYPE LAYER_STRUCT
+     SEQUENCE
+     REAL*8 :: z,gammadot0,stressexponent,cohesion,friction
+  END TYPE LAYER_STRUCT
+
+  TYPE WEAK_STRUCT
+     SEQUENCE
+     REAL*8 :: dgammadot0,x,y,z,width,length,thickness,strike,dip
+  END TYPE WEAK_STRUCT
+
+  TYPE VECTOR_STRUCT
+     SEQUENCE
+     REAL*8 :: v1,v2,v3
+  END TYPE VECTOR_STRUCT
+
+  TYPE TENSOR
+     SEQUENCE
+     REAL*4 :: s11,s12,s13,s22,s23,s33
+  END TYPE TENSOR
+
+  TYPE TENSOR_LAYER_STRUCT
+     SEQUENCE
+     REAL*4 :: z,dum
+     TYPE(TENSOR) :: t
+  END TYPE TENSOR_LAYER_STRUCT
+
+  TYPE SLIPPATCH_STRUCT
+     SEQUENCE
+     REAL*8 :: x1,x2,x3,lx,lz,slip,ss,ds
+  END TYPE SLIPPATCH_STRUCT
+
+  TYPE EVENT_STRUC
+     REAL*8 :: time
+     INTEGER*4 :: i,ns,nt,nm,nl
+     TYPE(SOURCE_STRUCT), DIMENSION(:), ALLOCATABLE :: s,sc,ts,tsc,m,mc,l,lc
+  END TYPE EVENT_STRUC
+  
+  TYPE, PUBLIC :: SIMULATION_STRUC
+     ! grid dimension
+     INTEGER :: sx1,sx2,sx3
+
+     ! sampling
+     REAL*8 :: dx1,dx2,dx3
+
+     ! smoothing factor
+     REAL*8 :: beta
+
+     ! filter parameter for slip models
+     REAL*8 :: nyquist
+
+     ! center coordinates and rotation
+     REAL*8 :: x0,y0,rot
+
+#ifdef PROJ
+     ! geographic coordinates of center, UTM zone, length unit
+     REAL*8 :: lon0,lat0,umult
+     INTEGER :: zone
+#endif
+
+     ! observation depths
+     REAL*8 :: oz,ozs
+
+     ! output directory
+     CHARACTER(80) :: wdir
+
+     ! filenames
+     CHARACTER(80) :: reportfilename,reporttimefilename
+
+     ! elastic moduli and gravity parameter
+     REAL*8 :: lambda,mu,gam
+
+     ! time step parameters
+     REAL*8 :: interval
+     REAL*8 :: odt,tscale
+     INTEGER :: skip=0
+
+     ! number of observation planes
+     INTEGER :: nop
+
+     ! observation planes
+     TYPE(PLANE_STRUCT), DIMENSION(:), ALLOCATABLE :: op
+
+     ! number of observation points
+     INTEGER :: npts
+
+     ! observation points
+     TYPE(VECTOR_STRUCT), DIMENSION(:), ALLOCATABLE :: opts
+
+     ! observation points name
+     CHARACTER(LEN=4), DIMENSION(:), ALLOCATABLE :: ptsname
+
+     ! number of prestress interfaces
+     INTEGER :: nps
+
+     ! stress layers and stress structure
+     TYPE(TENSOR_LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: stresslayer,stressstruc
+
+     ! number of linear viscous interfaces
+     INTEGER :: nv
+
+     ! linear viscous layers and structure
+     TYPE(LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: linearlayer,linearstruc
+
+     ! number of linear weak zones
+     INTEGER :: nlwz
+
+     ! linear weak zones
+     TYPE(WEAK_STRUCT), DIMENSION(:), ALLOCATABLE :: linearweakzone,linearweakzonec
+
+     ! number of nonlinear viscous interfaces
+     INTEGER :: npl
+
+     ! nonlinear viscous layers and structure
+     TYPE(LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: nonlinearlayer,nonlinearstruc
+
+     ! number of nonlinear weak zones
+     INTEGER :: nnlwz
+
+     ! nonlinear viscous layers and structure
+     TYPE(WEAK_STRUCT), DIMENSION(:), ALLOCATABLE :: nonlinearweakzone,nonlinearweakzonec
+
+     ! number of fault creep interfaces
+     INTEGER :: nfc
+
+     ! fault creep interfaces
+     TYPE(LAYER_STRUCT), DIMENSION(:), ALLOCATABLE :: faultcreeplayer,faultcreepstruc
+
+     ! number of afterslip planes
+     INTEGER :: np
+
+     ! afterslip planes
+     TYPE(PLANE_STRUCT), DIMENSION(:), ALLOCATABLE :: n
+
+     ! interseismic event
+     TYPE(EVENT_STRUC) :: inter
+
+     ! number of coseismic events
+     INTEGER :: ne
+
+     ! coseismic events
+     TYPE(EVENT_STRUC), DIMENSION(:), ALLOCATABLE :: events
+
+     ! overrides output to formats
+     LOGICAL :: isoutputproj=.TRUE.
+     LOGICAL :: isoutputtxt=.TRUE.
+     LOGICAL :: isoutputvtk=.TRUE.
+     LOGICAL :: isoutputgrd=.TRUE.
+     LOGICAL :: isoutputxyz=.TRUE.
+
+     ! other options
+     LOGICAL :: isdryrun=.FALSE.
+     LOGICAL :: ishelp=.FALSE.
+
+  END TYPE SIMULATION_STRUC
+
+END MODULE types



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