From cc69118d5dca78409888934cb9296ac57f3dd859 Mon Sep 17 00:00:00 2001
From: cott <>
Date: Wed, 10 Dec 2003 13:49:00 +0000
Subject: Fixed problems with zero sized arrays/scalars.

darcs-hash:20031210134930-19929-df9164b8596f45f23adc51296e744f1e74e7c720.gz
---
 .../src/checkpointrestart.cc                       | 23 +++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'CarpetAttic')

diff --git a/CarpetAttic/CarpetIOFlexIOCheckpoint/src/checkpointrestart.cc b/CarpetAttic/CarpetIOFlexIOCheckpoint/src/checkpointrestart.cc
index 6940a0a12..f832b399a 100644
--- a/CarpetAttic/CarpetIOFlexIOCheckpoint/src/checkpointrestart.cc
+++ b/CarpetAttic/CarpetIOFlexIOCheckpoint/src/checkpointrestart.cc
@@ -48,7 +48,7 @@
 #include "ioflexio.hh"
 
 extern "C" {
-  static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/CarpetAttic/CarpetIOFlexIOCheckpoint/src/checkpointrestart.cc,v 1.13 2003/12/03 16:02:51 cott Exp $";
+  static const char* rcsid = "$Header: /home/eschnett/C/carpet/Carpet/CarpetAttic/CarpetIOFlexIOCheckpoint/src/checkpointrestart.cc,v 1.14 2003/12/10 14:49:30 cott Exp $";
   CCTK_FILEVERSION(Carpet_CarpetIOFlexIO_checkpointrestart_cc);
 }
 
@@ -477,6 +477,27 @@ int CarpetIOFlexIO_Recover (cGH* cgh, const char *basefilename, int called_from)
 	      if ( (grouptype != CCTK_GF) && (reflevel != 0) )
 		continue;
 
+	      /* now check if there is any memory allocated
+                 for GFs and GAs. GSs should always have 
+		 memory allocated and there is at this point
+                 no CCTK function to check this :/
+	      */
+
+	      if ( (grouptype == CCTK_GF) || (grouptype == CCTK_ARRAY)){
+		const int gpdim = CCTK_GroupDimI(group);
+		int gtotalsize=1;
+		for(int d=0;d<gpdim;d++){
+		  const int* gpsize= CCTK_ArrayGroupSizeI(cgh,d,group);
+		  assert(gpsize != NULL);		  
+		  gtotalsize*=gpsize[d];		  
+		}
+		if(gtotalsize == 0){
+		  if (verbose) CCTK_VInfo(CCTK_THORNSTRING, "Group %s is zero-sized. No checkpoint info written",CCTK_GroupName(group));
+		  continue;
+		}
+	      }
+
+
 	      /* get the number of allocated timelevels */
 	      CCTK_GroupData (gindex, &gdata);
 	      gdata.numtimelevels = 0;
-- 
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