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// RUN: %libomp-compile-and-run
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "omp_testsuite.h"
int sum1;
#pragma omp threadprivate(sum1)
int test_omp_for_auto()
{
int j;
int sum;
int sum0;
int known_sum;
int threadsnum;
sum = 0;
sum0 = 12345;
// array which keeps track of which threads participated in the for loop
// e.g., given 4 threads, [ 0 | 1 | 1 | 0 ] implies
// threads 0 and 3 did not, threads 1 and 2 did
int max_threads = omp_get_max_threads();
int* active_threads = (int*)malloc(sizeof(int)*max_threads);
for(j = 0; j < max_threads; j++)
active_threads[j] = 0;
#pragma omp parallel
{
int i;
sum1 = 0;
#pragma omp for firstprivate(sum0) schedule(auto)
for (i = 1; i <= LOOPCOUNT; i++) {
active_threads[omp_get_thread_num()] = 1;
sum0 = sum0 + i;
sum1 = sum0;
}
#pragma omp critical
{
sum = sum + sum1;
}
}
// count the threads that participated (sum is stored in threadsnum)
threadsnum=0;
for(j = 0; j < max_threads; j++) {
if(active_threads[j])
threadsnum++;
}
free(active_threads);
known_sum = 12345 * threadsnum + (LOOPCOUNT * (LOOPCOUNT + 1)) / 2;
return (known_sum == sum);
}
int main()
{
int i;
int num_failed=0;
for(i = 0; i < REPETITIONS; i++) {
if(!test_omp_for_auto()) {
num_failed++;
}
}
return num_failed;
}
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