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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 | 2b972a7f8030f0d96d4c66675dee5ddb1662931a (patch) | |
tree | 82b8908975845e1afd9b9b90729896728b1ba91e /bignum.c | |
parent | b067aef7c0a26a6d689f214bff66ee318fa9ad17 (diff) | |
download | ruby-2b972a7f8030f0d96d4c66675dee5ddb1662931a.tar.gz |
* 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/trunk@11104 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r-- | bignum.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -1811,6 +1811,10 @@ rb_big_rshift(VALUE x, VALUE 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; |