reflect thorn name change, also change implementation name, file, parameter and function names, make testsuites work by also applying the necessary name changes

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinInitialData/Hydro_InitExcision/trunk@106 55d78c69-0c5c-4738-8e60-d8a2776539f3

1 files changed, 253 insertions, 0 deletions

diff --git a/src/Hydro_InitExcision.c b/src/Hydro_InitExcision.c
new file mode 100644
index 0000000..c9e7b08
--- /dev/null
+++ b/src/Hydro_InitExcision.c
@@ -0,0 +1,253 @@
+ /*@@
+   @file      Hydro_InitExcisionMask.c
+   @date      Wed Mar 13 14:18:38 2002
+   @author    Andrea Nerozzi, Frank Loeffler
+   @desc 
+   Creates the mask for an excision region 
+   @enddesc 
+ @@*/
+
+#include "cctk.h"
+#include "cctk_Parameters.h"
+#include "cctk_Arguments.h"
+#include <stdio.h>
+#include <math.h>
+
+ /*@@
+   @routine    Excision Mask 
+   @date       Mon Apr 7 14:18:38 2003
+   @author     Andrea Nerozzi
+   @desc 
+   Sets up the excision region
+   @enddesc 
+   @calls     
+   @calledby   
+   @history    added 'sphere' and rewrote to be multi-processor-safe
+ 
+   @endhistory 
+
+@@*/
+
+void Hydro_InitExcisionMask(CCTK_ARGUMENTS)
+{
+
+  DECLARE_CCTK_ARGUMENTS;
+  DECLARE_CCTK_PARAMETERS;
+
+  CCTK_INT  i,j,k, nx, ny, nz, point;
+  CCTK_INT excised, normal;
+  CCTK_REAL emask_excised, emask_normal;
+  CCTK_REAL x_min, x_max, y_min, y_max, z_min, z_max;
+  CCTK_REAL x_size, y_size, z_size;
+  CCTK_REAL x_frac, y_frac, z_frac;
+
+  if (hydro_initexcision)
+  {
+    CCTK_INFO("Setting up Hydro Initial Excision region.");
+  }
+
+  nx = cctk_lsh[0];
+  ny = cctk_lsh[1];
+  nz = cctk_lsh[2];
+
+  CCTK_CoordRange(cctkGH, &x_min, &x_max, 1, NULL, "cart3d");
+  CCTK_CoordRange(cctkGH, &y_min, &y_max, 2, NULL, "cart3d");
+  CCTK_CoordRange(cctkGH, &z_min, &z_max, 3, NULL, "cart3d");
+  x_size = x_max - x_min;
+  y_size = y_max - y_min;
+  z_size = z_max - z_min;
+
+  excised=1;
+  normal =0;
+  emask_excised=0.0;
+  emask_normal=1.0;
+  if (hydro_initexcision_flip)
+  {
+    excised=0;
+    normal =1;
+    emask_excised=1.0;
+    emask_normal=0.0;
+  }
+
+  for (k=0 ; k<nz ; k++)
+  {
+    for (j=0 ; j<ny ; j++)
+    {
+      for (i=0 ; i<nx; i++)
+      { 
+        point = CCTK_GFINDEX3D(cctkGH,i,j,k);
+        x_frac = (x[point]-x_min) / x_size + 1.e-10;
+        y_frac = (y[point]-y_min) / y_size + 1.e-10;
+        z_frac = (z[point]-z_min) / z_size + 1.e-10;
+
+        if (hydro_initexcision)
+        {
+          if (hydro_initexcision_old_mask)
+            emask[point]=emask_normal;
+          if (CCTK_Equals(hydro_initexcision_type,"box"))
+          {
+              if (CCTK_Equals(domain,"full"))
+              {
+                 if ( (hydro_initexcision_coordinate_length <= 0.0) &&
+                      ( ( x_frac > 0.5 - hydro_initexcision_fraction) &&
+                        ( x_frac < 0.5 + hydro_initexcision_fraction) &&
+                        ( y_frac > 0.5 - hydro_initexcision_fraction) &&
+                        ( y_frac < 0.5 + hydro_initexcision_fraction) &&
+                        ( z_frac > 0.5 - hydro_initexcision_fraction) &&
+                        ( z_frac < 0.5 + hydro_initexcision_fraction)
+                      ) ||
+                      ( (hydro_initexcision_coordinate_length > 0.0) &&
+                        ( fabs(x[point]-hydro_initexcision_position_x) <=
+                          hydro_initexcision_coordinate_length*0.5) &&
+                        ( fabs(y[point]-hydro_initexcision_position_y) <=
+                          hydro_initexcision_coordinate_length*0.5) &&
+                        ( fabs(z[point]-hydro_initexcision_position_z) <=
+                          hydro_initexcision_coordinate_length*0.5)
+                      )
+                    )
+                 {
+                    hydro_excision_mask[point] = excised;
+                    if (hydro_initexcision_old_mask)
+                      emask[point]=emask_excised;
+                 }
+                 else
+                 {
+                    hydro_excision_mask[point] = normal;
+                 }
+              }
+              else if (CCTK_Equals(domain,"octant"))
+              {
+                 if ( ( (hydro_initexcision_coordinate_length <= 0.0) &&
+                        ( x_frac < hydro_initexcision_fraction) &&
+                        ( y_frac < hydro_initexcision_fraction) &&
+                        ( z_frac < hydro_initexcision_fraction)
+                      ) || 
+                      ( (hydro_initexcision_coordinate_length > 0.0) &&
+                        ( fabs(x[point]-hydro_initexcision_position_x) <=
+                          hydro_initexcision_coordinate_length*0.5) &&
+                        ( fabs(y[point]-hydro_initexcision_position_y) <=
+                          hydro_initexcision_coordinate_length*0.5) &&
+                        ( fabs(z[point]-hydro_initexcision_position_z) <=
+                          hydro_initexcision_coordinate_length*0.5)
+                      )
+                    )
+                 {
+                    hydro_excision_mask[point] = excised;
+                    if (hydro_initexcision_old_mask)
+                      emask[point]=emask_excised;
+                 }
+                 else
+                 {
+                    hydro_excision_mask[point] = normal;
+                 }
+              }
+          }
+          else if (CCTK_Equals(hydro_initexcision_type,"x-axis"))
+          {
+            if ( x_frac < 1.0-hydro_initexcision_fraction )
+            {
+              hydro_excision_mask[point] = normal;
+            }
+            else 
+            {
+              hydro_excision_mask[point] = excised;
+              if (hydro_initexcision_old_mask)
+                emask[point]=emask_excised;
+            }
+          }
+          else if (CCTK_Equals(hydro_initexcision_type,"y-axis"))
+          {
+            if ( y_frac < 1.0-hydro_initexcision_fraction )
+            {
+              hydro_excision_mask[point] = normal;
+            }
+            else 
+            {
+              hydro_excision_mask[point] = excised;
+              if (hydro_initexcision_old_mask)
+                emask[point]=emask_excised;
+            }
+          }
+          else if (CCTK_Equals(hydro_initexcision_type,"z-axis"))
+          {
+            if ( z_frac < 1.0-hydro_initexcision_fraction )
+            {
+              hydro_excision_mask[point] = normal;
+            }
+            else 
+            {
+              hydro_excision_mask[point] = excised;
+              if (hydro_initexcision_old_mask)
+                emask[point]=emask_excised;
+            }
+          }
+          else if (CCTK_Equals(hydro_initexcision_type,"diagonal"))
+          {
+            if ( x_frac + y_frac + z_frac <
+                 3.0*(1.0-hydro_initexcision_fraction) )
+            {
+              hydro_excision_mask[point] = normal;
+            }
+            else 
+            {
+              hydro_excision_mask[point] = excised;
+              if (hydro_initexcision_old_mask)
+                emask[point]=emask_excised;
+            }
+          }
+          else if (CCTK_Equals(hydro_initexcision_type,"sphere"))
+          {
+            if ( (hydro_initexcision_coordinate_length <= 0.0) &&
+                 ( ( (x[point]-hydro_initexcision_position_x) *
+                     (x[point]-hydro_initexcision_position_x) +
+                     (y[point]-hydro_initexcision_position_y) *
+                     (y[point]-hydro_initexcision_position_y) +
+                     (z[point]-hydro_initexcision_position_z) *
+                     (z[point]-hydro_initexcision_position_z) ) * 4.0
+                   > (hydro_initexcision_fraction * x_size *
+                      hydro_initexcision_fraction * x_size) ) ||
+                 ( (hydro_initexcision_coordinate_length > 0) &&
+                   ( (hydro_initexcision_coordinate_length < 
+                      cctkGH->cctk_delta_space[0]*
+                      hydro_initexcision_min_points) ||
+                       ( (x[point]-hydro_initexcision_position_x) *
+                         (x[point]-hydro_initexcision_position_x) +
+                         (y[point]-hydro_initexcision_position_y) *
+                         (y[point]-hydro_initexcision_position_y) +
+                         (z[point]-hydro_initexcision_position_z) *
+                         (z[point]-hydro_initexcision_position_z)
+                     > hydro_initexcision_coordinate_length*
+                       hydro_initexcision_coordinate_length) ) ) )
+            {
+              hydro_excision_mask[point] = normal;
+            }
+            else 
+            {
+              hydro_excision_mask[point] = excised;
+              if (hydro_initexcision_old_mask)
+              {
+                emask[point]=emask_excised;
+              }
+            }
+          }
+        }
+        else
+        {
+          hydro_excision_mask[point] = normal;
+          if (hydro_initexcision_old_mask)
+            emask[point]=emask_normal;
+        }
+      }
+    }
+  }
+  return;
+}
+
+void Hydro_InitExcisionMask_poststep(CCTK_ARGUMENTS)
+{
+  DECLARE_CCTK_ARGUMENTS;
+  DECLARE_CCTK_PARAMETERS;
+  if (hydro_initexcision_poststep)
+      Hydro_InitExcisionMask(CCTK_PASS_CTOC);
+}
+