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!\n");
exit(-1);
}