omp_parallel_copyin.c

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// RUN: %libomp-compile-and-run
#include <stdio.h>
#include <stdlib.h>
#include "omp_testsuite.h"
 
static int sum1 = 789;
#pragma omp threadprivate(sum1)
 
int test_omp_parallel_copyin()
{
  int sum, num_threads;
  int known_sum;
 
  sum = 0;
  sum1 = 7;
  num_threads = 0;
 
  #pragma omp parallel copyin(sum1)
  {
    /*printf("sum1=%d\n",sum1);*/
    int i;
    #pragma omp for
    for (i = 1; i < 1000; i++) {
      sum1 = sum1 + i;
    } /*end of for*/
    #pragma omp critical
    {
      sum = sum + sum1;
      num_threads++;
    } /*end of critical*/
  } /* end of parallel*/
  known_sum = (999 * 1000) / 2 + 7 * num_threads;
  return (known_sum == sum);
}
 
int main()
{
  int i;
  int num_failed=0;
 
  for(i = 0; i < REPETITIONS; i++) {
    if(!test_omp_parallel_copyin()) {
      num_failed++;
    }
  }
  return num_failed;
}