openmp/runtime/test/parallel/omp_parallel_shared.c

   1 // RUN: %libomp-compile-and-run
   2 #include <stdio.h>
   3 #include "omp_testsuite.h"
   4
   5 int test_omp_parallel_shared()
   6 {
   7   int i;
   8   int sum;
   9   int known_sum;
  10
  11   sum = 0;
  12   known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2 ;
  13
  14   #pragma omp parallel private(i) shared(sum)
  15   {
  16
  17     int mysum = 0;
  18     #pragma omp for
  19     for (i = 1; i <= LOOPCOUNT; i++) {
  20       mysum = mysum + i;
  21     }
  22     #pragma omp critical
  23     {
  24       sum = sum + mysum;
  25     }
  26
  27
  28   }
  29   if (known_sum != sum) {
  30     fprintf(stderr, "KNOWN_SUM = %d; SUM = %d\n", known_sum, sum);
  31   }
  32   return (known_sum == sum);
  33 }
  34
  35 int main()
  36 {
  37   int i;
  38   int num_failed=0;
  39
  40   for(i = 0; i < REPETITIONS; i++) {
  41     if(!test_omp_parallel_shared()) {
  42       num_failed++;
  43     }
  44   }
  45   return num_failed;
  46 }