forked from OSchip/llvm-project
279 lines
6.5 KiB
C
279 lines
6.5 KiB
C
<ompts:test>
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<ompts:testdescription>Test which checks the omp parallel reduction directive with all its options.</ompts:testdescription>
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<ompts:ompversion>3.0</ompts:ompversion>
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<ompts:directive>omp parallel reduction</ompts:directive>
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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 <ompts:testcode:functionname>omp_parallel_reduction</ompts:testcode:functionname>(FILE * logFile){
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<ompts:orphan:vars>
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int sum;
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int known_sum;
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double dsum;
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double dknown_sum;
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double dt=0.5; /* base of geometric row for + and - test*/
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double rounding_error= 1.E-9;
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#define DOUBLE_DIGITS 20 /* dt^DOUBLE_DIGITS */
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int diff;
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double ddiff;
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int product;
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int known_product;
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#define MAX_FACTOR 10
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#define KNOWN_PRODUCT 3628800 /* 10! */
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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[LOOPCOUNT];
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int i;
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double dpt;
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int result;
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</ompts:orphan:vars>
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sum =0;
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dsum=0;
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product=1;
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logic_and=1;
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logic_or=0;
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bit_and=1;
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bit_or=0;
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exclusiv_bit_or=0;
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result=0;
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dt = 1./3.;
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known_sum = (LOOPCOUNT*(LOOPCOUNT+1))/2;
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<ompts:orphan>
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#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(+:sum)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (i=1;i<=LOOPCOUNT;i++)
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{
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sum=sum+i;
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}
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if(known_sum!=sum)
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{
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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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diff = (LOOPCOUNT*(LOOPCOUNT+1))/2;
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#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(-:diff)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (i=1;i<=LOOPCOUNT;++i)
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{
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diff=diff-i;
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}
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if(diff != 0)
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{
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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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/* Tests for doubles */
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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(+:dsum)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (i=0;i<DOUBLE_DIGITS;++i)
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{
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dsum += pow(dt,i);
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}
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if( fabs(dsum-dknown_sum) > rounding_error )
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{
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result++;
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fprintf(logFile,"Error 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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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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fprintf(logFile,"\n");
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ddiff = (1-dpt)/(1-dt);
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#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(-:ddiff)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for (i=0;i<DOUBLE_DIGITS;++i)
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{
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ddiff -= pow(dt,i);
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}
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if( fabs(ddiff) > rounding_error)
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{
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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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#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(*:product)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=1;i<=MAX_FACTOR;i++)
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{
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product *= i;
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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\n",product,known_product);
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}
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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(&&:logic_and)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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logic_and = (logic_and && logics[i]);
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}
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if(!logic_and)
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{
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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(&&:logic_and)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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logic_and = logic_and && logics[i];
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}
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if(logic_and)
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{
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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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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(||:logic_or)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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logic_or = logic_or || logics[i];
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}
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if(logic_or)
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{
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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(||:logic_or)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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logic_or = logic_or || logics[i];
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}
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if(!logic_or)
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{
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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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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(&:bit_and)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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bit_and = (bit_and & logics[i]);
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}
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if(!bit_and)
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{
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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(&:bit_and)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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bit_and = bit_and & logics[i];
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}
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if(bit_and)
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{
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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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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(|:bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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bit_or = bit_or | logics[i];
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}
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if(bit_or)
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{
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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(|:bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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bit_or = bit_or | logics[i];
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}
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if(!bit_or)
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{
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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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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(^:exclusiv_bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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exclusiv_bit_or = exclusiv_bit_or ^ logics[i];
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}
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if(exclusiv_bit_or)
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{
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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 for schedule(dynamic,1) private(i) <ompts:check>reduction(^:exclusiv_bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck>
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for(i=0;i<LOOPCOUNT;++i)
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{
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exclusiv_bit_or = exclusiv_bit_or ^ logics[i];
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}
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if(!exclusiv_bit_or)
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{
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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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</ompts:orphan>
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/*printf("\nResult:%d\n",result);*/
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return (result==0);
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}
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</ompts:testcode>
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</ompts:test>
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