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author | shugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-02-02 03:45:28 +0000 |
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committer | shugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-02-02 03:45:28 +0000 |
commit | a98cbcbf0b74112ff93d9b3c25b8abebba1a91b5 (patch) | |
tree | 88c9b2698acb0906e69e5b7bb0cd36220d37458f /complex.c | |
parent | ce720ca0dc2b66d50eabdbc335d5369366b6bd61 (diff) | |
download | ruby-a98cbcbf0b74112ff93d9b3c25b8abebba1a91b5.tar.gz |
* complex.c (f_signbit): regard NaN as a positive value.
[ruby-dev:37861].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21945 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'complex.c')
-rw-r--r-- | complex.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -894,8 +894,10 @@ f_signbit(VALUE x) #else { char s[2]; + double f = RFLOAT_VALUE(x); - (void)snprintf(s, sizeof s, "%.0f", RFLOAT_VALUE(x)); + if (isnan(f)) return Qfalse; + (void)snprintf(s, sizeof s, "%.0f", f); return f_boolcast(s[0] == '-'); } #endif |