llvm-project/openmp/testsuite/c/omp_for_ordered.c

61 lines
1.5 KiB
C

<ompts:test>
<ompts:testdescription>Test which checks the omp ordered directive by counting up an variable in an parallelized loop and watching each iteration if the sumand is larger as the last one.</ompts:testdescription>
<ompts:ompversion>2.0</ompts:ompversion>
<ompts:directive>omp for ordered</ompts:directive>
<ompts:dependences>omp critical,omp for schedule</ompts:dependences>
<ompts:testcode>
#include <stdio.h>
#include <math.h>
#include "omp_testsuite.h"
static int last_i = 0;
/* Utility function to check that i is increasing monotonically
with each call */
static int check_i_islarger (int i)
{
int islarger;
islarger = (i > last_i);
last_i = i;
return (islarger);
}
int <ompts:testcode:functionname>omp_for_ordered</ompts:testcode:functionname> (FILE * logFile)
{
<ompts:orphan:vars>
int sum;
int is_larger = 1;
</ompts:orphan:vars>
int known_sum;
last_i = 0;
sum = 0;
#pragma omp parallel
{
<ompts:orphan>
int i;
int my_islarger = 1;
#pragma omp for schedule(static,1) ordered
for (i = 1; i < 100; i++)
{
<ompts:check>#pragma omp ordered</ompts:check>
{
my_islarger = check_i_islarger(i) && my_islarger;
sum = sum + i;
} /* end of ordered */
} /* end of for */
#pragma omp critical
{
is_larger = is_larger && my_islarger;
} /* end of critical */
</ompts:orphan>
}
known_sum=(99 * 100) / 2;
return ((known_sum == sum) && is_larger);
}
</ompts:testcode>
</ompts:test>