From 900295256d825fc323149cd223c49787f32a3696 Mon Sep 17 00:00:00 2001 From: tylov Date: Thu, 20 Jul 2023 15:09:10 +0200 Subject: Moved examples to sub-directories. Added cotask1.c cotask2.c examples. --- misc/examples/random.c | 45 --------------------------------------------- 1 file changed, 45 deletions(-) delete mode 100644 misc/examples/random.c (limited to 'misc/examples/random.c') diff --git a/misc/examples/random.c b/misc/examples/random.c deleted file mode 100644 index b7c0f277..00000000 --- a/misc/examples/random.c +++ /dev/null @@ -1,45 +0,0 @@ -#include -#include -#include - -int main(void) -{ - const int N = 1000000000; - const uint64_t seed = (uint64_t)time(NULL), range = 1000000; - crand_t rng = crand_init(seed); - - int64_t sum; - clock_t diff, before; - - printf("Compare speed of full and unbiased ranged random numbers...\n"); - sum = 0; - before = clock(); - c_forrange (N) { - sum += (uint32_t)crand_u64(&rng); - } - diff = clock() - before; - printf("full range\t\t: %f secs, %d, avg: %f\n", - (double)diff/CLOCKS_PER_SEC, N, (double)sum/N); - - crand_unif_t dist1 = crand_unif_init(0, range); - rng = crand_init(seed); - sum = 0; - before = clock(); - c_forrange (N) { - sum += crand_unif(&rng, &dist1); // unbiased - } - diff = clock() - before; - printf("unbiased 0-%" PRIu64 "\t: %f secs, %d, avg: %f\n", - range, (double)diff/CLOCKS_PER_SEC, N, (double)sum/N); - - sum = 0; - rng = crand_init(seed); - before = clock(); - c_forrange (N) { - sum += (int64_t)(crand_u64(&rng) % (range + 1)); // biased - } - diff = clock() - before; - printf("biased 0-%" PRIu64 " \t: %f secs, %d, avg: %f\n", - range, (double)diff/CLOCKS_PER_SEC, N, (double)sum/N); - -} -- cgit v1.2.3