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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-09-18 03:17:06 +0000 |
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| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-09-18 03:17:06 +0000 |
| commit | 773fe1d6e97cc3bd80d08d57bf0260a6c1b673e5 (patch) | |
| tree | fb2448194681b81c820575782a080025dfda8132 | |
| parent | 5af078e09dc24095c289455e9e2ecdec1353c0f8 (diff) | |
| download | ruby-773fe1d6e97cc3bd80d08d57bf0260a6c1b673e5.tar.gz ruby-773fe1d6e97cc3bd80d08d57bf0260a6c1b673e5.tar.xz ruby-773fe1d6e97cc3bd80d08d57bf0260a6c1b673e5.zip | |
* numeric.c (fix_mul): get rid of shift overflow.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@10959 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 @@ +Mon Sep 18 12:16:48 2006 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * numeric.c (fix_mul): get rid of shift overflow. + Mon Sep 18 10:47:49 2006 Yukihiro Matsumoto <matz@ruby-lang.org> * dir.c (dir_s_glob): remove unused variable. @@ -1989,7 +1989,7 @@ fix_mul(VALUE x, VALUE y) if (FIXABLE(d)) return LONG2FIX(d); return rb_ll2inum(d); #else -# define SQRT_LONG_MAX (1<<((SIZEOF_VALUE*CHAR_BIT-1)/2)) +# define SQRT_LONG_MAX ((SIZEOF_VALUE)1<<((SIZEOF_VALUE*CHAR_BIT-1)/2)) /*tests if N*N would overflow*/ # define FIT_SQRT_LONG(n) (((n)<SQRT_LONG_MAX)&&((n)>=-SQRT_LONG_MAX)) if (FIT_SQRT_LONG(a) && FIT_SQRT_LONG(b)) |