diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-05 01:18:55 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-05 01:18:55 +0000 |
commit | ce357ef152869d3c5bfd2e088a31d879daa4ecb6 (patch) | |
tree | 7a72d9746c166d95a9ef6e2f2ed5cae77ca35633 /numeric.c | |
parent | 66867b0a63b62c80c8596efe34ad1ba43598e709 (diff) |
numeric.c: optimize for Bignum
* numeric.c (rb_int_succ, rb_int_pred): shortcut optimization for
Bignum.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39593 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -2390,6 +2390,9 @@ int_succ(VALUE num) long i = FIX2LONG(num) + 1; return LONG2NUM(i); } + if (RB_TYPE_P(num, T_BIGNUM)) { + return rb_big_plus(num, INT2FIX(1)); + } return rb_funcall(num, '+', 1, INT2FIX(1)); } @@ -2410,6 +2413,9 @@ int_pred(VALUE num) long i = FIX2LONG(num) - 1; return LONG2NUM(i); } + if (RB_TYPE_P(num, T_BIGNUM)) { + return rb_big_minus(num, INT2FIX(1)); + } return rb_funcall(num, '-', 1, INT2FIX(1)); } |