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| // RUN: %libomp-compile-and-run
#include <stdio.h>
#include <math.h>
#include "omp_testsuite.h"
/* Utility function do spend some time in a loop */
int test_omp_task_private()
{
int i;
int known_sum;
int sum = 0;
int result = 0; /* counts the wrong sums from tasks */
known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2;
#pragma omp parallel
{
#pragma omp single
{
for (i = 0; i < NUM_TASKS; i++) {
#pragma omp task private(sum) shared(result, known_sum)
{
int j;
//if sum is private, initialize to 0
sum = 0;
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++;
}
} /* end of omp task */
} /* end of for */
} /* end of single */
} /* end of parallel*/
return (result == 0);
}
int main()
{
int i;
int num_failed=0;
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_task_private()) {
num_failed++;
}
}
return num_failed;
}
|