bug fix for symmetry conditions

git-svn-id: http://svn.cactuscode.org/arrangements/CactusBase/CartGrid3D/trunk@95 c78560ca-4b45-4335-b268-5f3340f3cb52

1 files changed, 6 insertions, 3 deletions

diff --git a/src/SymmetryCondition.c b/src/SymmetryCondition.c
index 6c31c72..1903b83 100644
--- a/src/SymmetryCondition.c
+++ b/src/SymmetryCondition.c
@@ -55,7 +55,8 @@ void SymmetryCondition(int nxyz[],CCTK_REAL var[], int nghostzones,int sym[], in
       {
         for(sw=0; sw < nghostzones; sw++)
         {
-          var[GFINDEX3D(nxyz,sw,j,k)] = sym[0]*var[GFINDEX3D(nxyz,nghostzones+sw,j,k)];
+          var[GFINDEX3D(nxyz,sw,j,k)] = 
+	    sym[0]*var[GFINDEX3D(nxyz,2*nghostzones-1-sw,j,k)];
         }
       }
     }
@@ -69,7 +70,8 @@ void SymmetryCondition(int nxyz[],CCTK_REAL var[], int nghostzones,int sym[], in
       {
         for(i=0; i < nxyz[0]; i++)
         {
-          var[GFINDEX3D(nxyz,i,sw,k)] = sym[2]*var[GFINDEX3D(nxyz,i,nghostzones+sw,k)];
+          var[GFINDEX3D(nxyz,i,sw,k)] = 
+	    sym[2]*var[GFINDEX3D(nxyz,i,2*nghostzones-1-sw,k)];
         }
       }
     }
@@ -83,7 +85,8 @@ void SymmetryCondition(int nxyz[],CCTK_REAL var[], int nghostzones,int sym[], in
       {
         for(i=0; i < nxyz[0]; i++)
         {
-          var[GFINDEX3D(nxyz,i,j,sw)] = sym[4]*var[GFINDEX3D(nxyz,i,j,nghostzones+sw)];
+          var[GFINDEX3D(nxyz,i,j,sw)] = 
+	    sym[4]*var[GFINDEX3D(nxyz,i,j,2*nghostzones-1-sw)];
         }
       }
     }