diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-10-07 15:49:00 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-10-07 15:49:00 +0000 |
commit | 3b4d19278f1dbf8df1c06b2aa9bd2774a3811ee3 (patch) | |
tree | ca1029b5126291ed2d7e229b83c3e5bb047cf999 | |
parent | 2d7b6f2f5be4a302898477957620a04c6153e3ac (diff) |
* bignum.c (rb_big_rshift): a bug in right shift of negative
bignums. [ruby-core:09020]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@11104 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | bignum.c | 4 |
2 files changed, 9 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Sat Oct 7 23:44:33 2006 Yukihiro Matsumoto <matz@ruby-lang.org> + + * bignum.c (rb_big_rshift): a bug in right shift of negative + bignums. [ruby-core:09020] + Sat Oct 7 00:27:58 2006 Yukihiro Matsumoto <matz@ruby-lang.org> * class.c (rb_include_module): remove unnecessary check. @@ -1885,6 +1885,10 @@ rb_big_rshift(x, y) } xds = BDIGITS(x); i = RBIGNUM(x)->len; j = i - s1; + if (j == 0) { + if (RBIGNUM(x)->sign) return INT2FIX(0); + else return INT2FIX(-1); + } z = bignew(j, RBIGNUM(x)->sign); if (!RBIGNUM(x)->sign) { num = ((BDIGIT_DBL)~0) << BITSPERDIG; |