int main()
{
float test[] = { 1,2,3,4,5,6,7,8,9};
printf("Result: %f\n", kahanSum(test, sizeof(test)/sizeof(float)));
return 0;
}
int main(){
srand( time(NULL) );
int i;
float* v = (float*)malloc(N * sizeof(float));
for(i=0; i < N; i++){
v[i] = rand() / (float)RAND_MAX;
}
// for(i=0; i < N; i++){
// printf("%f ", v[i]);
// }
// printf("\n", v[i]);
clock_t t0, t1;
float resTrivial, resKahan, resPairwise;
char* exact;
char times[128];
const int ITERS = 100;
t0 = clock(); for(i=0;i<ITERS;i++) resTrivial = trivialSum(v, N); t1 = clock();
printTime(times, t0, t1, ITERS);
printf("Trivial: %s\n", times);
t0 = clock(); for(i=0;i<ITERS;i++)resPairwise = pairwiseSum(v, N); t1 = clock();
printTime(times, t0, t1, ITERS);
printf("Pairwise: %s\n", times);
t0 = clock(); for(i=0;i<ITERS;i++)resKahan = kahanSum(v, N); t1 = clock();
printTime(times, t0, t1, ITERS);
printf("Kahan: %s\n", times);
exact = mpSum(v, N);
printf("Trivial:\t %.32f\n", resTrivial);
printf("Pairwise:\t %.32f\n", resPairwise);
printf("Kahan:\t\t %.32f\n", resKahan);
printf("MP:\t\t %s\n", exact);
free(v);
free(exact);
return 0;
}