From f62d8ce901501d53dcd98dc04b4a06303fdb9717 Mon Sep 17 00:00:00 2001 From: mame Date: Thu, 29 Jul 2010 16:50:24 +0000 Subject: 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] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 5 +++++ numeric.c | 10 +++++++--- test/ruby/test_float.rb | 14 ++++++++++++++ 3 files changed, 26 insertions(+), 3 deletions(-) diff --git a/ChangeLog b/ChangeLog index fdb3fbae52..bae8fb22af 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Sun Jul 25 05:37:20 2010 Nobuyoshi Nakada + + * 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 * lib/rubygems/custom_require.rb, gem_prelude.rb: Load code from diff --git a/numeric.c b/numeric.c index fdea3ce50c..d291a6dd85 100644 --- a/numeric.c +++ b/numeric.c @@ -1016,7 +1016,7 @@ rb_dbl_cmp(double a, double b) 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 @@ flo_cmp(VALUE x, VALUE y) 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); } diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb index 03d9c94766..5687729418 100644 --- a/test/ruby/test_float.rb +++ b/test/ruby/test_float.rb @@ -239,6 +239,20 @@ class TestFloat < Test::Unit::TestCase 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 } -- cgit v1.2.3