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Fix jot so that 'jot -r -w %d 1 1 4' never prints 4. Previously, it

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would print it with probability 1/2**32.  It seems that the correct
behavior is to print 4 with probability 1/4, but I'd like to avoid
breaking POLA until all the range inconsistencies in jot can be fixed
in one pass.  See PR for details.

PR:		54878
Submitted by:	David Brinegar <jot.3.brinegar@spamgourmet.com>
This commit is contained in:
David Schultz 2003-08-01 16:23:24 +00:00
parent 85d0333cd8
commit bbc7056be8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118310
1 changed files with 1 additions and 1 deletions
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usr.bin/jot/jot.c
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@ -275,7 +275,7 @@ main(int argc, char **argv)
if (randomize) {
*x = (ender - begin) * (ender > begin ? 1 : -1);
for (*i = 1; *i <= reps || infinity; (*i)++) {
*y = arc4random() / (double)UINT32_MAX;
*y = arc4random() / ((double)UINT32_MAX + 1);
if (putdata(*y * *x + begin, reps - *i))
errx(1, "range error in conversion");
}