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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-06 13:41:33 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-06 13:41:33 +0000 |
commit | 6a79276eddaafb5d80252b173c535e63f9d5c620 (patch) | |
tree | 6d76b3a3a0ea89ec8eb208881c437e67c0d451a1 | |
parent | 3f1fc5e42b846f902a1dfc84766dd22b359b87c7 (diff) | |
download | ruby-6a79276eddaafb5d80252b173c535e63f9d5c620.tar.gz |
configure.in: fix lgamma_r condition
* configure.in (rb_cv_lgamma_r_m0): fix the condition for
lgamma_r(-0.0). [Bug #12249]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54503 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | configure.in | 5 |
2 files changed, 9 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Wed Apr 6 22:41:31 2016 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * configure.in (rb_cv_lgamma_r_m0): fix the condition for + lgamma_r(-0.0). [Bug #12249] + Wed Apr 6 17:38:42 2016 NAKAMURA Usaku <usa@ruby-lang.org> * tool/downloader.rb (RubyGems.download): follow the change of the diff --git a/configure.in b/configure.in index 3454d3ae82..57f767c5f1 100644 --- a/configure.in +++ b/configure.in @@ -2516,8 +2516,11 @@ int main(int argc, char **argv) { int sign; + double x = lgamma_r(-0.0, &sign); - if (lgamma_r(-0.0, &sign) >= 0) return EXIT_FAILURE; + /* should be [+inf, -1] */ + if (x <= 0) return EXIT_FAILURE; + if (!isinf(x)) return EXIT_FAILURE; if (sign != -1) return EXIT_FAILURE; return EXIT_SUCCESS; } |