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Diffstat (limited to 'final/runtime/test/worksharing/for/omp_parallel_for_reduction.c')
| -rw-r--r-- | final/runtime/test/worksharing/for/omp_parallel_for_reduction.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/final/runtime/test/worksharing/for/omp_parallel_for_reduction.c b/final/runtime/test/worksharing/for/omp_parallel_for_reduction.c new file mode 100644 index 0000000..118d730 --- /dev/null +++ b/final/runtime/test/worksharing/for/omp_parallel_for_reduction.c @@ -0,0 +1,266 @@ +// RUN: %libomp-compile-and-run +#include <stdio.h> +#include <math.h> +#include "omp_testsuite.h" + +#define DOUBLE_DIGITS 20 /* dt^DOUBLE_DIGITS */ +#define MAX_FACTOR 10 +#define KNOWN_PRODUCT 3628800 /* 10! */ + +int test_omp_parallel_for_reduction() +{ + 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; + int diff; + double ddiff; + int product; + int known_product; + 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; + + sum =0; + dsum=0; + dt = 1./3.; + result = 0; + product = 1; + logic_and=1; + logic_or=0; + bit_and=1; + bit_or=0; + exclusiv_bit_or=0; + + /* Tests for integers */ + known_sum = (LOOPCOUNT*(LOOPCOUNT+1))/2; + #pragma omp parallel for schedule(dynamic,1) private(i) reduction(+:sum) + for (i=1;i<=LOOPCOUNT;i++) { + sum=sum+i; + } + if(known_sum!=sum) { + result++; + fprintf(stderr,"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) reduction(-:diff) + for (i=1;i<=LOOPCOUNT;++i) { + diff=diff-i; + } + if(diff != 0) { + result++; + fprintf(stderr,"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) reduction(+:dsum) + for (i=0;i<DOUBLE_DIGITS;++i) { + dsum += pow(dt,i); + } + if( fabs(dsum-dknown_sum) > rounding_error ) { + result++; + fprintf(stderr,"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(stderr,"\n"); + ddiff = (1-dpt)/(1-dt); + #pragma omp parallel for schedule(dynamic,1) private(i) reduction(-:ddiff) + for (i=0;i<DOUBLE_DIGITS;++i) { + ddiff -= pow(dt,i); + } + if( fabs(ddiff) > rounding_error) { + result++; + fprintf(stderr,"Error in Difference with doubles: Result was %E" + " instead of 0.0\n",ddiff); + } + + /* Tests for integers */ + #pragma omp parallel for schedule(dynamic,1) private(i) reduction(*:product) + for(i=1;i<=MAX_FACTOR;i++) { + product *= i; + } + known_product = KNOWN_PRODUCT; + if(known_product != product) { + result++; + fprintf(stderr,"Error in Product with integers: Result was %d" + " instead of %d\n\n",product,known_product); + } + + /* Tests for logic AND */ + for(i=0;i<LOOPCOUNT;i++) { + logics[i]=1; + } + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(&&:logic_and) + for(i=0;i<LOOPCOUNT;++i) { + logic_and = (logic_and && logics[i]); + } + if(!logic_and) { + result++; + fprintf(stderr,"Error in logic AND part 1.\n"); + } + + logic_and = 1; + logics[LOOPCOUNT/2]=0; + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(&&:logic_and) + for(i=0;i<LOOPCOUNT;++i) { + logic_and = logic_and && logics[i]; + } + if(logic_and) { + result++; + fprintf(stderr,"Error in logic AND part 2.\n"); + } + + /* Tests for logic OR */ + for(i=0;i<LOOPCOUNT;i++) { + logics[i]=0; + } + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(||:logic_or) + for(i=0;i<LOOPCOUNT;++i) { + logic_or = logic_or || logics[i]; + } + if(logic_or) { + result++; + fprintf(stderr,"Error in logic OR part 1.\n"); + } + logic_or = 0; + logics[LOOPCOUNT/2]=1; + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(||:logic_or) + for(i=0;i<LOOPCOUNT;++i) { + logic_or = logic_or || logics[i]; + } + if(!logic_or) { + result++; + fprintf(stderr,"Error in logic OR part 2.\n"); + } + + /* Tests for bitwise AND */ + for(i=0;i<LOOPCOUNT;++i) { + logics[i]=1; + } + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(&:bit_and) + for(i=0;i<LOOPCOUNT;++i) { + bit_and = (bit_and & logics[i]); + } + if(!bit_and) { + result++; + fprintf(stderr,"Error in BIT AND part 1.\n"); + } + + bit_and = 1; + logics[LOOPCOUNT/2]=0; + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(&:bit_and) + for(i=0;i<LOOPCOUNT;++i) { + bit_and = bit_and & logics[i]; + } + if(bit_and) { + result++; + fprintf(stderr,"Error in BIT AND part 2.\n"); + } + + /* Tests for bitwise OR */ + for(i=0;i<LOOPCOUNT;i++) { + logics[i]=0; + } + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(|:bit_or) + for(i=0;i<LOOPCOUNT;++i) { + bit_or = bit_or | logics[i]; + } + if(bit_or) { + result++; + fprintf(stderr,"Error in BIT OR part 1\n"); + } + bit_or = 0; + logics[LOOPCOUNT/2]=1; + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(|:bit_or) + for(i=0;i<LOOPCOUNT;++i) { + bit_or = bit_or | logics[i]; + } + if(!bit_or) { + result++; + fprintf(stderr,"Error in BIT OR part 2\n"); + } + + /* Tests for bitwise XOR */ + for(i=0;i<LOOPCOUNT;i++) { + logics[i]=0; + } + + #pragma omp parallel for schedule(dynamic,1) private(i) \ + reduction(^:exclusiv_bit_or) + for(i=0;i<LOOPCOUNT;++i) { + exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; + } + if(exclusiv_bit_or) { + result++; + fprintf(stderr,"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) \ + reduction(^:exclusiv_bit_or) + for(i=0;i<LOOPCOUNT;++i) { + exclusiv_bit_or = exclusiv_bit_or ^ logics[i]; + } + if(!exclusiv_bit_or) { + result++; + fprintf(stderr,"Error in EXCLUSIV BIT OR part 2\n"); + } + + /*printf("\nResult:%d\n",result);*/ + return (result==0); +} + +int main() +{ + int i; + int num_failed=0; + + for(i = 0; i < REPETITIONS; i++) { + if(!test_omp_parallel_for_reduction()) { + num_failed++; + } + } + return num_failed; +} |