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authortylov <[email protected]>2023-07-20 15:09:10 +0200
committertylov <[email protected]>2023-07-20 15:12:29 +0200
commit900295256d825fc323149cd223c49787f32a3696 (patch)
tree6c79cf4209e3975bb6865e2940b9cb56ea469c73 /misc/examples/random.c
parent224a04f7fa7549ed94d2a1415eb25829e39a7cca (diff)
downloadSTC-modified-900295256d825fc323149cd223c49787f32a3696.tar.gz
STC-modified-900295256d825fc323149cd223c49787f32a3696.zip
Moved examples to sub-directories. Added cotask1.c cotask2.c examples.
Diffstat (limited to 'misc/examples/random.c')
-rw-r--r--misc/examples/random.c45
1 files changed, 0 insertions, 45 deletions
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 <stdio.h>
-#include <time.h>
-#include <stc/crand.h>
-
-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);
-
-}