llvm-project/openmp/runtime/test/tasking/omp_task_firstprivate.c

52 lines
1017 B
C

// RUN: %libomp-compile-and-run
#include <stdio.h>
#include <math.h>
#include "omp_testsuite.h"
int test_omp_task_firstprivate()
{
int i;
int sum = 1234;
int known_sum;
int result = 0; /* counts the wrong sums from tasks */
known_sum = 1234 + (LOOPCOUNT * (LOOPCOUNT + 1)) / 2;
#pragma omp parallel
{
#pragma omp single
{
for (i = 0; i < NUM_TASKS; i++) {
#pragma omp task firstprivate(sum)
{
int j;
for (j = 0; j <= LOOPCOUNT; j++) {
#pragma omp flush
sum += j;
}
/* check if calculated sum was right */
if (sum != known_sum) {
#pragma omp critical
{ result++; }
}
} /* omp task */
} /* for loop */
} /* omp single */
} /* omp parallel */
return (result == 0);
}
int main()
{
int i;
int num_failed=0;
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_task_firstprivate()) {
num_failed++;
}
}
return num_failed;
}