.TH PGAGetNumProcs 4 "05/01/95" " " "PGAPack"
.SH NAME
PGAGetNumProcs \- Returns the size of communicator comm in processes. 
.SH DESCRIPTION
If comm is NULL or a sequential version of PGAPack is used, PGAGetNumProcs()
returns 1.
.SH INPUT PARAMETERS
.PD 0
.TP
ctx
- context variable structure pointer
.PD 0
.TP
comm
- an MPI communicator
.PD 1
.SH OUTPUT PARAMETERS
.PD 0
.TP
none

.PD 1
.SH SYNOPSIS
.nf
#include "pgapack.h"
int  PGAGetNumProcs(ctx, comm)
PGAContext *ctx
MPI_Comm comm
.fi
.SH LOCATION
parallel.c
.SH EXAMPLE
.nf
Example:
PGAContext  *ctx;
:
if (PGAGetNumProcs(ctx, MPI_COMM_WORLD) < 4) {
printf("Too few processors for decent performance!\n");
exit(-1);
}

.fi