llvm-project/openmp/runtime/test/parallel/omp_parallel_shared.c

47 lines
740 B
C

// RUN: %libomp-compile-and-run
#include <stdio.h>
#include "omp_testsuite.h"
int test_omp_parallel_shared()
{
int i;
int sum;
int known_sum;
sum = 0;
known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2 ;
#pragma omp parallel private(i) shared(sum)
{
int mysum = 0;
#pragma omp for
for (i = 1; i <= LOOPCOUNT; i++) {
mysum = mysum + i;
}
#pragma omp critical
{
sum = sum + mysum;
}
}
if (known_sum != sum) {
fprintf(stderr, "KNOWN_SUM = %d; SUM = %d\n", known_sum, sum);
}
return (known_sum == sum);
}
int main()
{
int i;
int num_failed=0;
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_parallel_shared()) {
num_failed++;
}
}
return num_failed;
}