diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | complex.c | 4 |
2 files changed, 8 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Mon Feb 2 12:41:52 2009 Shugo Maeda <shugo@ruby-lang.org> + + * complex.c (f_signbit): regard NaN as a positive value. + [ruby-dev:37861]. + Mon Feb 2 12:39:00 2009 Nobuyoshi Nakada <nobu@ruby-lang.org> * sample/test.rb (valid_syntax?), test/ruby/test_system.rb @@ -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 |