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| author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-11 13:03:46 +0000 |
|---|---|---|
| committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-03-11 13:03:46 +0000 |
| commit | ea52cac1487cea91a148daffbfe0dacef672051b (patch) | |
| tree | 4a223af18f6b18978aedda2c11bfe771254a990e /test/ruby | |
| parent | 2f1cc54d5fd9078c90ad240fce4f132feb1eaffe (diff) | |
merge revision(s) 57227: [Backport #13078]
numeric.c: reduce fdiv
* numeric.c (rb_int_fdiv_double): reduce first for more precise
result. [ruby-core:78886] [Bug #13078]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57840 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_rational.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_rational.rb b/test/ruby/test_rational.rb index 99f80bc561..9651f46f01 100644 --- a/test/ruby/test_rational.rb +++ b/test/ruby/test_rational.rb @@ -905,6 +905,13 @@ class Rational_Test < Test::Unit::TestCase assert_equal(5000000000.0, 10000000000.fdiv(2)) assert_equal(0.5, 1.0.fdiv(2)) assert_equal(0.25, Rational(1,2).fdiv(2)) + + a = 0xa42fcabf_c51ce400_00001000_00000000_00000000_00000000_00000000_00000000 + b = 1<<1074 + assert_equal(Rational(a, b).to_f, a.fdiv(b)) + a = 3 + b = 0x20_0000_0000_0001 + assert_equal(Rational(a, b).to_f, a.fdiv(b)) end def test_ruby19 |