1 files changed, 117 insertions, 0 deletions
diff --git a/src/Check.c b/src/Check.c
new file mode 100644
index 0000000..cd264af
--- /dev/null
+++ b/src/Check.c
@@ -0,0 +1,117 @@
+/*@@
+  @file      Check.c
+  @author    Erik Schnetter
+  @date      2004-06-19
+  @desc
+             Check whether the driver set up the grid consistently.
+  @version   $Header$
+  @enddesc
+@@*/
+
+#include "util_Table.h"
+
+#include "cctk.h"
+
+#include "SymBase.h"
+
+
+/* the rcs ID and its dummy function to use it */
+static const char *const rcsid = "$Header$";
+CCTK_FILEVERSION (CactusBase_SymBase_Check_c);
+
+
+
+/*@@
+  @routine    SymBase_Check
+  @author     Erik Schnetter
+  @date       2004-06-19
+  @desc
+              Check whether the driver set up the grid consistently.
+  @enddesc
+  @var        CCTK_ARGUMENTS
+  @endvar
+@@*/
+
+void
+SymBase_Check (CCTK_ARGUMENTS)
+{
+  DECLARE_CCTK_ARGUMENTS;
+  
+  struct SymBase const *symdata;
+  CCTK_INT sym_table;
+  CCTK_INT symmetry_handle[100];
+  CCTK_INT symmetry_zone_width[100];
+  int ierr;
+  int d;
+  
+  
+  
+  /* Get table entries */
+  symdata = CCTK_GHExtension (cctkGH, "SymBase");
+  if (!symdata)
+  {
+    CCTK_WARN (0, "internal error");
+  }
+  
+  sym_table = symdata->sym_table;
+  
+  if (2 * cctk_dim > 100)
+  {
+    CCTK_WARN (0, "internal error");
+  }
+  ierr = Util_TableGetIntArray
+    (sym_table, 2 * cctk_dim, symmetry_handle, "symmetry_handle");
+  if (ierr != 2 * cctk_dim)
+  {
+    CCTK_WARN (0, "internal error");
+  }
+  ierr = Util_TableGetIntArray
+    (sym_table, 2 * cctk_dim, symmetry_zone_width, "symmetry_zone_width");
+  if (ierr != 2 * cctk_dim)
+  {
+    CCTK_WARN (0, "internal error");
+  }
+  
+  
+  
+  ierr = 0;
+  
+  for (d=0; d<cctk_dim; ++d)
+  {
+    
+    /* Check lower boundary */
+    if (symmetry_handle[2*d] >= 0)
+    {
+      if (cctk_bbox[2*d])
+      {
+        if (cctk_lsh[d] - cctk_nghostzones[d] < symmetry_zone_width[2*d])
+        {
+          CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
+                      "This processor's domain is too small for the boundary condition at the lower boundary in direction %d", d);
+          ierr = 1;
+        }
+      }
+    }
+    
+    
+    /* Check upper boundary */
+    if (symmetry_handle[2*d+1] >= 0)
+    {
+      if (cctk_bbox[2*d+1])
+      {
+        if (cctk_lsh[d] - cctk_nghostzones[d] < symmetry_zone_width[2*d+1])
+        {
+          CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
+                      "This processor's domain is too small for the boundary condition at the upper boundary in direction %d", d);
+          ierr = 1;
+        }
+      }
+    }
+    
+  }
+  
+  if (ierr)
+  {
+    CCTK_WARN (0, "The grid setup is inconsistent with the boundary sizes.  One or more processors' domains are too small.  The grid setup is decided by the driver.  Try to make the driver lay out the grids differently.");
+  }
+}