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Diffstat (limited to 'openmp/testsuite/c/omp_parallel_reduction.c')
| -rw-r--r-- | openmp/testsuite/c/omp_parallel_reduction.c | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/openmp/testsuite/c/omp_parallel_reduction.c b/openmp/testsuite/c/omp_parallel_reduction.c new file mode 100644 index 00000000000..96f8394155e --- /dev/null +++ b/openmp/testsuite/c/omp_parallel_reduction.c @@ -0,0 +1,278 @@ +<ompts:test> +<ompts:testdescription>Test which checks the omp parallel reduction directive with all its options.</ompts:testdescription> +<ompts:ompversion>3.0</ompts:ompversion> +<ompts:directive>omp parallel reduction</ompts:directive> +<ompts:testcode> +#include <stdio.h> +#include <math.h> +#include "omp_testsuite.h" + + +int <ompts:testcode:functionname>omp_parallel_reduction</ompts:testcode:functionname>(FILE * logFile){ + <ompts:orphan:vars> + int sum; + int known_sum; + double dsum; + double dknown_sum; + double dt=0.5; /* base of geometric row for + and - test*/ + double rounding_error= 1.E-9; +#define DOUBLE_DIGITS 20 /* dt^DOUBLE_DIGITS */ + int diff; + double ddiff; + int product; + int known_product; +#define MAX_FACTOR 10 +#define KNOWN_PRODUCT 3628800 /* 10! */ + int logic_and; + int logic_or; + int bit_and; + int bit_or; + int exclusiv_bit_or; + int logics[LOOPCOUNT]; + int i; + double dpt; + int result; +</ompts:orphan:vars> + sum =0; + dsum=0; + product=1; + logic_and=1; + logic_or=0; + bit_and=1; + bit_or=0; + exclusiv_bit_or=0; + result=0; + dt = 1./3.; + known_sum = (LOOPCOUNT*(LOOPCOUNT+1))/2; +<ompts:orphan> +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(+:sum)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for (i=1;i<=LOOPCOUNT;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 = (LOOPCOUNT*(LOOPCOUNT+1))/2; +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(-:diff)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for (i=1;i<=LOOPCOUNT;++i) + { + diff=diff-i; + } + + if(diff != 0) + { + result++; + fprintf(logFile,"Error in difference with integers: Result was %d instead of 0.\n",diff); + } + + /* Tests for doubles */ + dsum=0; + dpt=1; + for (i=0;i<DOUBLE_DIGITS;++i) + { + dpt*=dt; + } + dknown_sum = (1-dpt)/(1-dt); +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(+:dsum)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for (i=0;i<DOUBLE_DIGITS;++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<DOUBLE_DIGITS;++i) + { + dpt*=dt; + } + fprintf(logFile,"\n"); + ddiff = (1-dpt)/(1-dt); +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(-:ddiff)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for (i=0;i<DOUBLE_DIGITS;++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); + } + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(*:product)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=1;i<=MAX_FACTOR;i++) + { + product *= i; + } + + known_product = KNOWN_PRODUCT; + if(known_product != product) + { + result++; + fprintf(logFile,"Error in Product with integers: Result was %d instead of %d\n\n",product,known_product); + } + + for(i=0;i<LOOPCOUNT;i++) + { + logics[i]=1; + } + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(&&:logic_and)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + logic_and = (logic_and && logics[i]); + } + if(!logic_and) + { + result++; + fprintf(logFile,"Error in logic AND part 1.\n"); + } + + logic_and = 1; + logics[LOOPCOUNT/2]=0; + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(&&:logic_and)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + logic_and = logic_and && logics[i]; + } + if(logic_and) + { + result++; + fprintf(logFile,"Error in logic AND part 2.\n"); + } + + for(i=0;i<LOOPCOUNT;i++) + { + logics[i]=0; + } + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(||:logic_or)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + logic_or = logic_or || logics[i]; + } + if(logic_or) + { + result++; + fprintf(logFile,"Error in logic OR part 1.\n"); + } + logic_or = 0; + logics[LOOPCOUNT/2]=1; + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(||:logic_or)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + logic_or = logic_or || logics[i]; + } + if(!logic_or) + { + result++; + fprintf(logFile,"Error in logic OR part 2.\n"); + } + + + for(i=0;i<LOOPCOUNT;++i) + { + logics[i]=1; + } + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(&:bit_and)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + bit_and = (bit_and & logics[i]); + } + if(!bit_and) + { + result++; + fprintf(logFile,"Error in BIT AND part 1.\n"); + } + + bit_and = 1; + logics[LOOPCOUNT/2]=0; + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(&:bit_and)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + bit_and = bit_and & logics[i]; + } + if(bit_and) + { + result++; + fprintf(logFile,"Error in BIT AND part 2.\n"); + } + + for(i=0;i<LOOPCOUNT;i++) + { + logics[i]=0; + } + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(|:bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + bit_or = bit_or | logics[i]; + } + if(bit_or) + { + result++; + fprintf(logFile,"Error in BIT OR part 1\n"); + } + bit_or = 0; + logics[LOOPCOUNT/2]=1; + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(|:bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + bit_or = bit_or | logics[i]; + } + if(!bit_or) + { + result++; + fprintf(logFile,"Error in BIT OR part 2\n"); + } + + for(i=0;i<LOOPCOUNT;i++) + { + logics[i]=0; + } + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(^:exclusiv_bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++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[LOOPCOUNT/2]=1; + +#pragma omp parallel for schedule(dynamic,1) private(i) <ompts:check>reduction(^:exclusiv_bit_or)</ompts:check><ompts:crosscheck></ompts:crosscheck> + for(i=0;i<LOOPCOUNT;++i) + { + exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; + } + if(!exclusiv_bit_or) + { + result++; + fprintf(logFile,"Error in EXCLUSIV BIT OR part 2\n"); + } + </ompts:orphan> + /*printf("\nResult:%d\n",result);*/ + return (result==0); +} +</ompts:testcode> +</ompts:test> |
