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