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* bignum.c (rb_big_rand): should return positive random number.

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[ruby-dev:25401]

* bignum.c (rb_big_rand): do not use rb_big_modulo to generate
  random bignums.  [ruby-dev:25396]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2005-01-04 14:28:24 +00:00
parent c664f0a534
commit 31f91eab5c
2 changed files with 14 additions and 1 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
Tue Jan 4 23:25:29 2005 Yukihiro Matsumoto <matz@ruby-lang.org>
* bignum.c (rb_big_rand): should return positive random number.
[ruby-dev:25401]
Tue Jan 4 11:15:29 2005 TAMURA Takashi <sheepman@tcn.zaq.ne.jp>
* bignum.c (rb_big_rand): do not use rb_big_modulo to generate
random bignums. [ruby-dev:25396]
Mon Jan 3 14:01:54 2005 Tanaka Akira <akr@m17n.org>
* random.c (random_seed): don't use /dev/urandom if it is not

5
bignum.c
View file

@ -2010,11 +2010,14 @@ rb_big_rand(max, rand_buf)
return rb_float_new(rand_buf[0]);
}
v = bignew(len,1);
RBIGNUM(v)->sign = RBIGNUM(max)->sign;
len--;
BDIGITS(v)[len] = BDIGITS(max)[len] * rand_buf[len];
while (len--) {
BDIGITS(v)[len] = ((BDIGIT)~0) * rand_buf[len];
}
return rb_big_modulo((VALUE)v, max);
return v;
}
/*