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* numeric.c (int_pow): even number multiplication never be negative.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12697 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2007-07-05 06:56:10 +00:00
parent a670571ad3
commit b553a34c63
2 changed files with 5 additions and 1 deletions
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ChangeLog
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@ -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

2
numeric.c
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@ -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);
}