diff options
-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)); } |