ruby-changes:16793
From: mame <ko1@a...>
Date: Fri, 30 Jul 2010 01:50:43 +0900 (JST)
Subject: [ruby-changes:16793] Ruby:r28788 (ruby_1_9_2): merges r28751 from trunk into ruby_1_9_2.
mame 2010-07-30 01:50:24 +0900 (Fri, 30 Jul 2010) New Revision: 28788 http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=28788 Log: merges r28751 from trunk into ruby_1_9_2. -- * numeric.c (flo_cmp): honor the result of infinite? method of the other. [ruby-core:31470] Modified files: branches/ruby_1_9_2/ChangeLog branches/ruby_1_9_2/numeric.c branches/ruby_1_9_2/test/ruby/test_float.rb Index: ruby_1_9_2/ChangeLog =================================================================== --- ruby_1_9_2/ChangeLog (revision 28787) +++ ruby_1_9_2/ChangeLog (revision 28788) @@ -1,3 +1,8 @@ +Sun Jul 25 05:37:20 2010 Nobuyoshi Nakada <nobu@r...> + + * numeric.c (flo_cmp): honor the result of infinite? method of the + other. [ruby-core:31470] + Wed Jul 21 15:22:17 2010 Evan Phoenix <evan@f...> * lib/rubygems/custom_require.rb, gem_prelude.rb: Load code from Index: ruby_1_9_2/numeric.c =================================================================== --- ruby_1_9_2/numeric.c (revision 28787) +++ ruby_1_9_2/numeric.c (revision 28788) @@ -1016,7 +1016,7 @@ static VALUE flo_cmp(VALUE x, VALUE y) { - double a, b; + double a, b, i; a = RFLOAT_VALUE(x); if (isnan(a)) return Qnil; @@ -1038,8 +1038,12 @@ break; default: - if (isinf(a) && (!rb_respond_to(y, rb_intern("infinite?")) || - !RTEST(rb_funcall(y, rb_intern("infinite?"), 0, 0)))) { + if (isinf(a) && (i = rb_check_funcall(y, rb_intern("infinite?"), 0, 0)) != Qundef) { + if (RTEST(i)) { + int j = rb_cmpint(i, x, y); + j = (a > 0.0) ? (j > 0 ? 0 : +1) : (j < 0 ? 0 : -1); + return INT2FIX(j); + } if (a > 0.0) return INT2FIX(1); return INT2FIX(-1); } Index: ruby_1_9_2/test/ruby/test_float.rb =================================================================== --- ruby_1_9_2/test/ruby/test_float.rb (revision 28787) +++ ruby_1_9_2/test/ruby/test_float.rb (revision 28788) @@ -239,6 +239,20 @@ assert_equal(-1, (Float::MAX.to_i*2) <=> inf) assert_equal(1, (-Float::MAX.to_i*2) <=> -inf) + bug3609 = '[ruby-core:31470]' + def (pinf = Object.new).infinite?; +1 end + def (ninf = Object.new).infinite?; -1 end + def (fin = Object.new).infinite?; nil end + nonum = Object.new + assert_equal(0, inf <=> pinf, bug3609) + assert_equal(1, inf <=> fin, bug3609) + assert_equal(1, inf <=> ninf, bug3609) + assert_nil(inf <=> nonum, bug3609) + assert_equal(-1, -inf <=> pinf, bug3609) + assert_equal(-1, -inf <=> fin, bug3609) + assert_equal(0, -inf <=> ninf, bug3609) + assert_nil(-inf <=> nonum, bug3609) + assert_raise(ArgumentError) { 1.0 > nil } assert_raise(ArgumentError) { 1.0 >= nil } assert_raise(ArgumentError) { 1.0 < nil } -- ML: ruby-changes@q... Info: http://www.atdot.net/~ko1/quickml/