[cig-commits] r12846 - cs/cigma/trunk/src

[luis at geodynamics.org]

Author: luis
Date: 2008-09-10 12:50:48 -0700 (Wed, 10 Sep 2008)
New Revision: 12846

Added:
   cs/cigma/trunk/src/Cell.h
Log:
Header for base class Cell




Added: cs/cigma/trunk/src/Cell.h
===================================================================
--- cs/cigma/trunk/src/Cell.h	                        (rev 0)
+++ cs/cigma/trunk/src/Cell.h	2008-09-10 19:50:48 UTC (rev 12846)
@@ -0,0 +1,112 @@
+#ifndef __CELL_H__
+#define __CELL_H__
+
+#include "Numeric.h"
+
+namespace cigma
+{
+    class Cell;
+}
+
+
+/*
+ * Cell class
+ */
+class cigma::Cell
+{
+
+public:
+    Cell();
+    virtual ~Cell();
+
+
+public:
+    int n_dims() const;
+    int n_celldims() const;
+    int n_nodes() const;
+
+
+public:
+
+    void set(int nsd, int celldim, int ndofs);
+
+    void set_reference_vertices(const double *vertices, int num_vertices);
+    void update_vertices(double *vertices, int num_vertices, int nsd);
+
+    void set_quadrature(const double *quadpts, const double *quadwts, int num_points);
+    void update_quadrature(void);
+
+    void set_tabulation(const double *basis_tab, const double *basis_jet);
+    void update_tabulation(void);
+
+    void clear();
+
+
+public:
+
+    virtual void shape(int num, double *points, double *values);
+    virtual void grad_shape(int num, double *points, double *values);
+
+    void tabulate(void);
+
+    double jacobian(double *point, double jac[3][3]);
+    double jacobian(double u, double v, double w, double jac[3][3]);
+
+    void interpolate(double *dofs, double *point, double *value, int valdim);
+    void interpolate_grad(double *dofs, double *point, double *value, double invjac[3][3]=0);
+
+    virtual void xyz2uvw(double xyz[3], double uvw[3]);
+    void uvw2xyz(double uvw[3], double xyz[3]);
+
+
+public:
+
+    void bbox(double *min, double *max);
+    void centroid(double c[3]);
+    virtual bool interior(double u, double v, double w) = 0;
+
+
+public:
+
+    int nsd;
+    int celldim;
+
+    int nno;
+    double *refverts;   // [nno x celldim]
+    double *globverts;  // [nno x nsd]
+
+    int nq;
+    double *jxw;        // [nq x 1]
+    double *qwts;       // [nq x 1]
+    double *qpts;       // [nq x celldim]
+    double *gqpts;      // [nq x nsd]
+
+    int ndofs;
+    double *basis_tab;  // [nq x ndofs]
+    double *basis_jet;  // [nq x ndofs x celldim]
+
+    bool _tabulate;
+};
+
+
+
+/*
+ * Inline methods
+ */
+inline int cigma::Cell::n_dims() const
+{
+    return nsd;
+}
+
+inline int cigma::Cell::n_celldims() const
+{
+    return celldim;
+}
+
+inline int cigma::Cell::n_nodes() const
+{
+    return nno;
+}
+
+
+#endif