From 2a92e68c1c9dab5d62d8a2663d785325b1661369 Mon Sep 17 00:00:00 2001
From: diener <diener@eec4d7dc-71c2-46d6-addf-10296150bf52>
Date: Fri, 21 Oct 2011 17:40:04 +0000
Subject: In the IBM compiler malloc returns a null pointer when allocating 0
 bytes. This happens when a processor have no points to interpolate and is not
 an error. The assert statements now takes this case into account.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Cartoon2D/trunk@125 eec4d7dc-71c2-46d6-addf-10296150bf52
---
 src/SymInterp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/SymInterp.c b/src/SymInterp.c
index 44a3ddd..f3f1997 100644
--- a/src/SymInterp.c
+++ b/src/SymInterp.c
@@ -476,7 +476,7 @@ Cartoon2D_SymmetryInterpolate (CCTK_POINTER_TO_CONST const cctkGH_,
   /* Copy coordinates */
   for (d=0; d<DIM; ++d) {
     new_interp_coords[d] = malloc (N_interp_points * sizeof(CCTK_REAL));
-    assert (new_interp_coords[d]);
+    assert (new_interp_coords[d] || N_interp_points==0);
   }
   
   /* Fold coordinates */
@@ -499,7 +499,7 @@ Cartoon2D_SymmetryInterpolate (CCTK_POINTER_TO_CONST const cctkGH_,
   assert (new_output_arrays);
   for (m=0; m<N_output_arrays; ++m) {
     new_output_arrays[m] = malloc (N_interp_points * sizeof(CCTK_REAL));
-    assert (new_output_arrays[m]);
+    assert (new_output_arrays[m] || N_interp_points==0);
   }
   
   
-- 
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