53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
<ompts:test>
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<ompts:testdescription>Test which checks the omp for lastprivate clause by counting up a variable in a parallelized loop. Each thread saves the next summand in a lastprivate variable i0. At the end i0 is compared to the value of the expected last summand.</ompts:testdescription>
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<ompts:ompversion>2.0</ompts:ompversion>
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<ompts:directive>omp for lastprivate</ompts:directive>
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<ompts:dependences>omp critical,omp parallel firstprivate,omp schedule</ompts:dependences>
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<ompts:testcode>
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#include <stdio.h>
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#include <math.h>
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#include "omp_testsuite.h"
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int sum0;
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#pragma omp threadprivate(sum0)
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int <ompts:testcode:functionname>omp_for_lastprivate</ompts:testcode:functionname> (FILE * logFile)
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{
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int sum = 0;
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int known_sum;
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<ompts:orphan:vars>
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int i0;
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</ompts:orphan:vars>
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i0 = -1;
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#pragma omp parallel
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{
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sum0 = 0;
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{ /* Begin of orphaned block */
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<ompts:orphan>
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int i;
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#pragma omp for schedule(static,7) <ompts:check>lastprivate(i0)</ompts:check>
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for (i = 1; i <= LOOPCOUNT; i++)
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{
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sum0 = sum0 + i;
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i0 = i;
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} /* end of for */
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</ompts:orphan>
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} /* end of orphaned block */
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#pragma omp critical
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{
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sum = sum + sum0;
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} /* end of critical */
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} /* end of parallel */
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known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2;
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fprintf(logFile," known_sum = %d , sum = %d \n",known_sum,sum);
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fprintf(logFile," LOOPCOUNT = %d , i0 = %d \n",LOOPCOUNT,i0);
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return ((known_sum == sum) && (i0 == LOOPCOUNT) );
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}
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</ompts:testcode>
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</ompts:test>
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