Mercurial > repo
view src/ploki/random.c @ 12220:7eaf71f23fbe draft
<oerjan> learn \xce\xbe\xcf\x80\xce\xb1\xce\xbb\xce\xb1\xce\xb9\xce\xbf\xce\xbb\xcf\x8c\xce\xb3\xce\xbf\xcf\x82 is kspalaiologos\'s Ancient Greek twin. He was banned from the theater for making up invalid characters.
author | HackEso <hackeso@esolangs.org> |
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date | Sun, 01 Dec 2019 02:35:07 +0000 |
parents | ac0403686959 |
children |
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#include "config.h" #include "random.h" #include <stdio.h> #include <stdlib.h> #include <time.h> void randseed(void) { unsigned seed; seed = time(NULL); #if HAVE_DEV_URANDOM_P { FILE *fp; if ((fp = fopen("/dev/urandom", "rb"))) { fread(&seed, sizeof seed, 1, fp); fclose(fp); } } #endif srand(seed); } double randval(void) { return rand() / (RAND_MAX + 1.0); }