diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-05 01:18:55 +0000 |
---|---|---|
committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-05 01:18:55 +0000 |
commit | ce357ef152869d3c5bfd2e088a31d879daa4ecb6 (patch) | |
tree | 7a72d9746c166d95a9ef6e2f2ed5cae77ca35633 | |
parent | 66867b0a63b62c80c8596efe34ad1ba43598e709 (diff) | |
download | ruby-ce357ef152869d3c5bfd2e088a31d879daa4ecb6.tar.gz |
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
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | numeric.c | 6 |
2 files changed, 11 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Tue Mar 5 10:19:09 2013 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * numeric.c (rb_int_succ, rb_int_pred): shortcut optimization for + Bignum. + Tue Mar 5 10:02:48 2013 Nobuyoshi Nakada <nobu@ruby-lang.org> * lib/rubygems/ext/ext_conf_builder.rb (Gem::Ext::ExtConfBuilder.build): @@ -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)); } |