forked from OSchip/llvm-project
430 lines
9.2 KiB
C
430 lines
9.2 KiB
C
<ompts:test>
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<ompts:testdescription>Test which checks the omp for reduction directive wich all its options.</ompts:testdescription>
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<ompts:ompversion>2.0</ompts:ompversion>
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<ompts:directive>omp for reduction</ompts:directive>
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<ompts:testcode>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "omp_testsuite.h"
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int <ompts:testcode:functionname>omp_for_reduction</ompts:testcode:functionname> (FILE * logFile)
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{
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<ompts:orphan:vars>
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double dt;
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int sum;
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int diff;
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int product = 1;
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double dsum;
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double dknown_sum;
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double ddiff;
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int logic_and;
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int logic_or;
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int bit_and;
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int bit_or;
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int exclusiv_bit_or;
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int *logics;
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</ompts:orphan:vars>
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#define DOUBLE_DIGITS 20 /* dt^DOUBLE_DIGITS */
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#define MAX_FACTOR 10
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#define KNOWN_PRODUCT 3628800 /* 10! */
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int i;
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int known_sum;
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int known_product;
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double rounding_error = 1.E-9; /* over all rounding error to be ignored in the double tests */
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double dpt;
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int result = 0;
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int logicsArray[LOOPCOUNT];
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/* Variables for integer tests */
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sum = 0;
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product = 1;
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known_sum = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2;
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/* variabels for double tests */
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dt = 1. / 3.; /* base of geometric row for + and - test*/
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dsum = 0.;
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/* Variabeles for logic tests */
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logics = logicsArray;
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logic_and = 1;
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logic_or = 0;
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/* Variabeles for bit operators tests */
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bit_and = 1;
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bit_or = 0;
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/* Variables for exclusiv bit or */
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exclusiv_bit_or = 0;
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/****************************************************************************/
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/** Tests for integers **/
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/****************************************************************************/
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/**** Testing integer addition ****/
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(+:sum)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (j = 1; j <= LOOPCOUNT; j++)
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{
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sum = sum + j;
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}
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</ompts:orphan>
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}
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if (known_sum != sum) {
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result++;
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fprintf (logFile, "Error in sum with integers: Result was %d instead of %d.\n", sum, known_sum);
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}
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/**** Testing integer subtracton ****/
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diff = (LOOPCOUNT * (LOOPCOUNT + 1)) / 2;
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(-:diff)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (j = 1; j <= LOOPCOUNT; j++)
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{
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diff = diff - j;
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}
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</ompts:orphan>
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}
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if (diff != 0) {
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result++;
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fprintf (logFile, "Error in difference with integers: Result was %d instead of 0.\n", diff);
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}
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/**** Testing integer multiplication ****/
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(*:product)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (j = 1; j <= MAX_FACTOR; j++)
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{
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product *= j;
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}
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</ompts:orphan>
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}
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known_product = KNOWN_PRODUCT;
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if(known_product != product)
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{
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result++;
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fprintf (logFile,"Error in Product with integers: Result was %d instead of %d\n",product,known_product);
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}
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/****************************************************************************/
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/** Tests for doubles **/
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/****************************************************************************/
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/**** Testing double addition ****/
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dsum = 0.;
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dpt = 1.;
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for (i = 0; i < DOUBLE_DIGITS; ++i)
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{
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dpt *= dt;
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}
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dknown_sum = (1 - dpt) / (1 - dt);
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(+:dsum)</ompts:check>
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for (j = 0; j < DOUBLE_DIGITS; j++)
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{
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dsum += pow (dt, j);
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}
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</ompts:orphan>
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}
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if (fabs (dsum - dknown_sum) > rounding_error) {
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result++;
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fprintf (logFile, "\nError in sum with doubles: Result was %f instead of: %f (Difference: %E)\n", dsum, dknown_sum, dsum-dknown_sum);
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}
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#if 0
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dpt = 1.;
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for (i = 0; i < DOUBLE_DIGITS; ++i)
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{
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dpt *= dt;
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}
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#endif
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/**** Testing double subtraction ****/
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ddiff = (1 - dpt) / (1 - dt);
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(-:ddiff)</ompts:check>
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for (j = 0; j < DOUBLE_DIGITS; ++j)
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{
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ddiff -= pow (dt, j);
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}
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</ompts:orphan>
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}
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if (fabs (ddiff) > rounding_error) {
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result++;
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fprintf (logFile, "Error in Difference with doubles: Result was %E instead of 0.0\n", ddiff);
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}
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/****************************************************************************/
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/** Tests for logical values **/
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/****************************************************************************/
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/**** Testing logic and ****/
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for (i = 0; i < LOOPCOUNT; i++)
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{
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logics[i] = 1;
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}
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(&&:logic_and)</ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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logic_and = (logic_and && logics[j]);
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}
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</ompts:orphan>
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}
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if(!logic_and) {
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result++;
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fprintf (logFile, "Error in logic AND part 1\n");
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}
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logic_and = 1;
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logics[LOOPCOUNT / 2] = 0;
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(&&:logic_and)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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logic_and = logic_and && logics[j];
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}
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</ompts:orphan>
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}
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if(logic_and) {
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result++;
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fprintf (logFile, "Error in logic AND part 2\n");
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}
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/**** Testing logic or ****/
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for (i = 0; i < LOOPCOUNT; i++)
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{
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logics[i] = 0;
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}
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(||:logic_or) </ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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logic_or = logic_or || logics[j];
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}
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</ompts:orphan>
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}
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if (logic_or) {
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result++;
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fprintf (logFile, "Error in logic OR part 1\n");
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}
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logic_or = 0;
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logics[LOOPCOUNT / 2] = 1;
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(||:logic_or)</ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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logic_or = logic_or || logics[j];
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}
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</ompts:orphan>
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}
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if(!logic_or) {
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result++;
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fprintf (logFile, "Error in logic OR part 2\n");
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}
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/****************************************************************************/
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/** Tests for bit values **/
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/****************************************************************************/
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/**** Testing bit and ****/
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for (i = 0; i < LOOPCOUNT; ++i)
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{
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logics[i] = 1;
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}
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(&:bit_and) </ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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bit_and = (bit_and & logics[j]);
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}
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</ompts:orphan>
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}
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if (!bit_and) {
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result++;
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fprintf (logFile, "Error in BIT AND part 1\n");
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}
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bit_and = 1;
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logics[LOOPCOUNT / 2] = 0;
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(&:bit_and)</ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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bit_and = bit_and & logics[j];
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}
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</ompts:orphan>
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}
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if (bit_and) {
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result++;
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fprintf (logFile, "Error in BIT AND part 2\n");
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}
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/**** Testing bit or ****/
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for (i = 0; i < LOOPCOUNT; i++)
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{
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logics[i] = 0;
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}
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(|:bit_or)</ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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bit_or = bit_or | logics[j];
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}
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</ompts:orphan>
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}
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if (bit_or) {
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result++;
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fprintf (logFile, "Error in BIT OR part 1\n");
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}
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bit_or = 0;
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logics[LOOPCOUNT / 2] = 1;
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(|:bit_or)</ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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bit_or = bit_or | logics[j];
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}
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</ompts:orphan>
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}
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if (!bit_or) {
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result++;
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fprintf (logFile, "Error in BIT OR part 2\n");
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}
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/**** Testing exclusive bit or ****/
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for (i = 0; i < LOOPCOUNT; i++)
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{
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logics[i] = 0;
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}
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(^:exclusiv_bit_or)</ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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exclusiv_bit_or = exclusiv_bit_or ^ logics[j];
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}
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</ompts:orphan>
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}
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if (exclusiv_bit_or) {
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result++;
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fprintf (logFile, "Error in EXCLUSIV BIT OR part 1\n");
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}
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exclusiv_bit_or = 0;
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logics[LOOPCOUNT / 2] = 1;
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#pragma omp parallel
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{
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<ompts:orphan>
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int j;
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#pragma omp for schedule(dynamic,1) <ompts:check>reduction(^:exclusiv_bit_or)</ompts:check>
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for (j = 0; j < LOOPCOUNT; ++j)
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{
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exclusiv_bit_or = exclusiv_bit_or ^ logics[j];
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}
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</ompts:orphan>
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}
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if (!exclusiv_bit_or) {
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result++;
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fprintf (logFile, "Error in EXCLUSIV BIT OR part 2\n");
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}
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/*fprintf ("\nResult:%d\n", result);*/
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return (result == 0);
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free (logics);
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}
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</ompts:testcode>
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</ompts:test>
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