[cig-commits] [commit] devel: increased the number of iterations from 4 to 5 (ee55a07)

[cig_noreply at geodynamics.org]

Repository : https://github.com/geodynamics/specfem3d

On branch  : devel
Link       : https://github.com/geodynamics/specfem3d/compare/90e056993245e43d3c7021b09f694cd01d707c9e...ee55a07d2b0334368c3d84832e2c66cb81659902

>---------------------------------------------------------------

commit ee55a07d2b0334368c3d84832e2c66cb81659902
Author: Dimitri Komatitsch <komatits at users.noreply.github.com>
Date:   Thu Nov 20 15:48:16 2014 +0100

    increased the number of iterations from 4 to 5


>---------------------------------------------------------------

ee55a07d2b0334368c3d84832e2c66cb81659902
 setup/constants.h.in | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/setup/constants.h.in b/setup/constants.h.in
index eac9126..5dafd8e 100644
--- a/setup/constants.h.in
+++ b/setup/constants.h.in
@@ -478,7 +478,9 @@
   integer, parameter :: NLINES_PER_FORCESOLUTION_SOURCE = 10
 
 ! number of iterations to solve the system for xi and eta
-  integer, parameter :: NUM_ITER = 4
+! setting it to 5 instead of 4 ensures that the result obtained is not compiler dependent
+! (when using 4 only some small discrepancies were observed)
+  integer, parameter :: NUM_ITER = 5
 
 ! size of topography and bathymetry file for Southern California
   integer, parameter :: NX_TOPO_FILE = 1401,NY_TOPO_FILE = 1001