PGAGetNumProcs(4) PGAPack PGAGetNumProcs(4)
NAME
PGAGetNumProcs - Returns the size of communicator comm in processes.
DESCRIPTION
If comm is NULL or a sequential version of PGAPack is used, PGAGetNumProcs() returns 1.
INPUT PARAMETERS
ctx - context variable structure pointer
comm - an MPI communicator
OUTPUT PARAMETERS
none
SYNOPSIS
#include "pgapack.h"
int PGAGetNumProcs(ctx, comm)
PGAContext *ctx
MPI_Comm comm
LOCATION
parallel.c
EXAMPLE
Example:
PGAContext *ctx;
:
if (PGAGetNumProcs(ctx, MPI_COMM_WORLD) < 4) {
printf("Too few processors for decent performance!0);
exit(-1);
}
05/01/95 PGAGetNumProcs(4)
