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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-05-26 03:08:07 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-05-26 03:08:07 +0000 |
commit | 93bbd7869c60781094507babd761cd4fb191d58b (patch) | |
tree | 5328b0a5791bca8a8d5fc8ee6f5f34ddb048d313 /random.c | |
parent | dd8d4f00751a869cf1aab0d257aedad0ebe0b627 (diff) | |
download | ruby-93bbd7869c60781094507babd761cd4fb191d58b.tar.gz |
* random.c (random_rand): subtraction method of non-numeric can
return Float, and add the result of random to the beginning of
range, not the opposite. [ruby-dev:41410]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28018 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 10 |
1 files changed, 7 insertions, 3 deletions
@@ -1077,9 +1077,13 @@ random_rand(int argc, VALUE *argv, VALUE obj) switch (TYPE(v)) { case T_BIGNUM: return rb_big_plus(v, beg); - case T_FLOAT: - RFLOAT_VALUE(v) += RFLOAT_VALUE(rb_check_to_float(beg)); - return v; + case T_FLOAT: { + VALUE f = rb_check_to_float(beg); + if (!NIL_P(f)) { + RFLOAT_VALUE(v) += RFLOAT_VALUE(f); + return v; + } + } default: return rb_funcall2(v, id_plus, 1, &beg); } |