diff options
Diffstat (limited to 'src/SetupGroup.c')
| -rw-r--r-- | src/SetupGroup.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/SetupGroup.c b/src/SetupGroup.c index 8fdca77..7a93391 100644 --- a/src/SetupGroup.c +++ b/src/SetupGroup.c @@ -174,7 +174,7 @@ static int PUGH_SetupGAGroup (pGH *newGH, /* Set up the communication buffer used for all variables within this group. Note: only with allocated buffers we can have group communication. */ groupcomm = NULL; - if(newGH->commmodel == PUGH_ALLOCATEDBUFFERS) + if(n_variables > 0 && newGH->commmodel == PUGH_ALLOCATEDBUFFERS) { groupcomm = PUGH_SetupGArrayGroupComm (newGH, dim, @@ -213,7 +213,7 @@ static int PUGH_SetupGAGroup (pGH *newGH, staggercode, vectorlength, variable%vectorlength, - variable%vectorlength > 0 ? newGH->variables[newGH->nvariables-variable%vectorlength][level] : NULL); + variable%vectorlength > 0 ? newGH->variables[newGH->nvariables - variable%vectorlength][level] : NULL); newGH->narrays++; } newGH->nvariables++; |