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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-07-05 06:56:10 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-07-05 06:56:10 +0000 |
commit | b553a34c63da315637afeced46afd05d33f7c623 (patch) | |
tree | 4c625609d0a9e9c414dadc636c6b9e632dc03fd6 | |
parent | a670571ad3ceab1ac1f1266f2b263640f2b11cc6 (diff) | |
download | ruby-b553a34c63da315637afeced46afd05d33f7c623.tar.gz |
* numeric.c (int_pow): even number multiplication never be negative.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12697 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | numeric.c | 2 |
2 files changed, 5 insertions, 1 deletions
@@ -1,3 +1,7 @@ +Thu Jul 5 15:56:06 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * numeric.c (int_pow): even number multiplication never be negative. + Thu Jul 5 10:42:07 2007 Nobuyoshi Nakada <nobu@ruby-lang.org> * include/ruby/{node,ruby}.h, ruby.c: added enum constants for gdb @@ -2304,7 +2304,7 @@ int_pow(long x, unsigned long y) z = xz; } } while (--y); - if (neg) z = -z; + if (neg && (y & 1)) z = -z; return LONG2NUM(z); } |