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!);
exit(-1);
}