Test which checks the omp parallel sections reduction directive with all its option. 2.0 omp parallel sections reduction #include #include #include "omp_testsuite.h" int omp_parallel_sections_reduction(FILE * logFile){ int sum; int known_sum; double dpt; double dsum; double dknown_sum; double dt=0.5; /* base of geometric row for + and - test*/ double rounding_error= 1.E-5; int diff; double ddiff; int product; int known_product; int logic_and; int bit_and; int logic_or; int bit_or; int exclusiv_bit_or; int logics[1000]; int i; int result; sum = 7; dsum=0; product =1; dpt = 1; logic_and=1; bit_and=1; logic_or=0; bit_or=0; exclusiv_bit_or=0; result =0; /* int my_islarger;*/ /*int is_larger=1;*/ known_sum = (999*1000)/2+7; #pragma omp parallel sections private(i) reduction(+:sum) { #pragma omp section { for (i=1;i<300;i++) { sum=sum+i; } } #pragma omp section { for (i=300;i<700;i++) { sum=sum+i; } } #pragma omp section { for (i=700;i<1000;i++) { sum=sum+i; } } } if(known_sum!=sum) { result++; fprintf(logFile,"Error in sum with integers: Result was %d instead of %d.\n",sum, known_sum); } diff = (999*1000)/2; #pragma omp parallel sections private(i) reduction(-:diff) { #pragma omp section { for (i=1;i<300;i++) { diff=diff-i; } } #pragma omp section { for (i=300;i<700;i++) { diff=diff-i; } } #pragma omp section { for (i=700;i<1000;i++) { diff=diff-i; } } } if(diff != 0) { result++; fprintf(logFile,"Error in Difference with integers: Result was %d instead of 0.\n",diff); } for (i=0;i<20;++i) { dpt*=dt; } dknown_sum = (1-dpt)/(1-dt); #pragma omp parallel sections private(i) reduction(+:dsum) { #pragma omp section { for (i=0;i<6;++i) { dsum += pow(dt,i); } } #pragma omp section { for (i=6;i<12;++i) { dsum += pow(dt,i); } } #pragma omp section { for (i=12;i<20;++i) { dsum += pow(dt,i); } } } if( fabs(dsum-dknown_sum) > rounding_error ) { result++; fprintf(logFile,"Error in sum with doubles: Result was %f instead of %f (Difference: %E)\n",dsum,dknown_sum, dsum-dknown_sum); } dpt=1; for (i=0;i<20;++i) { dpt*=dt; } fprintf(logFile,"\n"); ddiff = (1-dpt)/(1-dt); #pragma omp parallel sections private(i) reduction(-:ddiff) { #pragma omp section { for (i=0;i<6;++i) { ddiff -= pow(dt,i); } } #pragma omp section { for (i=6;i<12;++i) { ddiff -= pow(dt,i); } } #pragma omp section { for (i=12;i<20;++i) { ddiff -= pow(dt,i); } } } if( fabs(ddiff) > rounding_error) { result++; fprintf(logFile,"Error in Difference with doubles: Result was %E instead of 0.0\n",ddiff); } known_product = 3628800; #pragma omp parallel sections private(i) reduction(*:product) { #pragma omp section { for(i=1;i<3;i++) { product *= i; } } #pragma omp section { for(i=3;i<7;i++) { product *= i; } } #pragma omp section { for(i=7;i<11;i++) { product *= i; } } } if(known_product != product) { result++; fprintf(logFile,"Error in Product with integers: Result was %d instead of %d\n",product,known_product); } for(i=0;i<1000;i++) { logics[i]=1; } #pragma omp parallel sections private(i) reduction(&&:logic_and) { #pragma omp section { for (i=1;i<300;i++) { logic_and = (logic_and && logics[i]); } } #pragma omp section { for (i=300;i<700;i++) { logic_and = (logic_and && logics[i]); } } #pragma omp section { for (i=700;i<1000;i++) { logic_and = (logic_and && logics[i]); } } } if(!logic_and) { result++; fprintf(logFile,"Error in logic AND part 1\n"); } logic_and = 1; logics[501] = 0; #pragma omp parallel sections private(i) reduction(&&:logic_and) { #pragma omp section { for (i=1;i<300;i++) { logic_and = (logic_and && logics[i]); } } #pragma omp section { for (i=300;i<700;i++) { logic_and = (logic_and && logics[i]); } } #pragma omp section { for (i=700;i<1000;i++) { logic_and = (logic_and && logics[i]); } } } if(logic_and) { result++; fprintf(logFile,"Error in logic AND part 2"); } for(i=0;i<1000;i++) { logics[i]=0; } #pragma omp parallel sections private(i) reduction(||:logic_or) { #pragma omp section { for (i=1;i<300;i++) { logic_or = (logic_or || logics[i]); } } #pragma omp section { for (i=300;i<700;i++) { logic_or = (logic_or || logics[i]); } } #pragma omp section { for (i=700;i<1000;i++) { logic_or = (logic_or || logics[i]); } } } if(logic_or) { result++; fprintf(logFile,"Error in logic OR part 1\n"); } logic_or = 0; logics[501]=1; #pragma omp parallel sections private(i) reduction(||:logic_or) { #pragma omp section { for (i=1;i<300;i++) { logic_or = (logic_or || logics[i]); } } #pragma omp section { for (i=300;i<700;i++) { logic_or = (logic_or || logics[i]); } } #pragma omp section { for (i=700;i<1000;i++) { logic_or = (logic_or || logics[i]); } } } if(!logic_or) { result++; fprintf(logFile,"Error in logic OR part 2\n"); } for(i=0;i<1000;++i) { logics[i]=1; } #pragma omp parallel sections private(i) reduction(&:bit_and) { #pragma omp section { for(i=0;i<300;++i) { bit_and = (bit_and & logics[i]); } } #pragma omp section { for(i=300;i<700;++i) { bit_and = (bit_and & logics[i]); } } #pragma omp section { for(i=700;i<1000;++i) { bit_and = (bit_and & logics[i]); } } } if(!bit_and) { result++; fprintf(logFile,"Error in BIT AND part 1\n"); } bit_and = 1; logics[501]=0; #pragma omp parallel sections private(i) reduction(&:bit_and) { #pragma omp section { for(i=0;i<300;++i) { bit_and = bit_and & logics[i]; } } #pragma omp section { for(i=300;i<700;++i) { bit_and = bit_and & logics[i]; } } #pragma omp section { for(i=700;i<1000;++i) { bit_and = bit_and & logics[i]; } } } if(bit_and) { result++; fprintf(logFile,"Error in BIT AND part 2"); } for(i=0;i<1000;i++) { logics[i]=0; } #pragma omp parallel sections private(i) reduction(|:bit_or) { #pragma omp section { for(i=0;i<300;++i) { bit_or = bit_or | logics[i]; } } #pragma omp section { for(i=300;i<700;++i) { bit_or = bit_or | logics[i]; } } #pragma omp section { for(i=700;i<1000;++i) { bit_or = bit_or | logics[i]; } } } if(bit_or) { result++; fprintf(logFile,"Error in BIT OR part 1\n"); } bit_or = 0; logics[501]=1; #pragma omp parallel sections private(i) reduction(|:bit_or) { #pragma omp section { for(i=0;i<300;++i) { bit_or = bit_or | logics[i]; } } #pragma omp section { for(i=300;i<700;++i) { bit_or = bit_or | logics[i]; } } #pragma omp section { for(i=700;i<1000;++i) { bit_or = bit_or | logics[i]; } } } if(!bit_or) { result++; fprintf(logFile,"Error in BIT OR part 2\n"); } for(i=0;i<1000;i++) { logics[i]=0; } #pragma omp parallel sections private(i) reduction(^:exclusiv_bit_or) { #pragma omp section { for(i=0;i<300;++i) { exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; } } #pragma omp section { for(i=300;i<700;++i) { exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; } } #pragma omp section { for(i=700;i<1000;++i) { exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; } } } if(exclusiv_bit_or) { result++; fprintf(logFile,"Error in EXCLUSIV BIT OR part 1\n"); } exclusiv_bit_or = 0; logics[501]=1; #pragma omp parallel sections private(i) reduction(^:exclusiv_bit_or) { #pragma omp section { for(i=0;i<300;++i) { exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; } } #pragma omp section { for(i=300;i<700;++i) { exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; } } #pragma omp section { for(i=700;i<1000;++i) { exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; } } } if(!exclusiv_bit_or) { result++; fprintf(logFile,"Error in EXCLUSIV BIT OR part 2\n"); } /*printf("\nResult:%d\n",result);*/ return (result==0); }