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annotate src/ploki/random.c @ 12292:d51f2100210c draft

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<kspalaiologos> `` cat <<<"asmbf && bfi output.b" > /hackenv/ibin/asmbf
author HackEso <hackeso@esolangs.org>
date Thu, 02 Jan 2020 15:38:21 +0000
parents ac0403686959
children
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ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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1 #include "config.h"
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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2 #include "random.h"
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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3
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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4 #include <stdio.h>
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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5 #include <stdlib.h>
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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6 #include <time.h>
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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7
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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8 void randseed(void) {
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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9 unsigned seed;
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10
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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11 seed = time(NULL);
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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12 #if HAVE_DEV_URANDOM_P
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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13 {
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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14 FILE *fp;
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15
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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16 if ((fp = fopen("/dev/urandom", "rb"))) {
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17 fread(&seed, sizeof seed, 1, fp);
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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18 fclose(fp);
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19 }
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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20 }
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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21 #endif
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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22 srand(seed);
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23 }
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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24
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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25 double randval(void) {
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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26 return rand() / (RAND_MAX + 1.0);
ac0403686959 <oerjan> rm -rf src/ploki; mv ploki src
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27 }