Separate HTML for Basic Foil 53 Example C: Computing Pi

Basic HTML version of Foils prepared 19 September 98

Foil 53 Example C: Computing Pi

From MPI Message Passing Interface Computational Science for Simulations -- Fall Semester 1998. by Geoffrey C. Fox, Nancy McCracken

#include "mpi.h"

#include <math.h>

int main (argc, argv)

int argc; char *argv[];

{

int n, myid, numprocs, i, rc;

double PI25DT = 3.14159265358979323842643;

double mypi, pi, h, sum, x, a;

MPI_Init(&argc, &argv);

MPI_Comm_size (MPI_COMM_WORLD, &numprocs);

MPI_Comm_rank (MPI_COMM_WORLD, &myid);

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