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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-08-02 12:40:51 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-08-02 12:40:51 +0000 |
| commit | 83cfc94563c3f5eb0339f4cab280e5219a179a0c (patch) | |
| tree | 84456645fc0b9232878993c38995c2b3a2e80696 /test | |
| parent | aa8e9c63ad0300df0eed07c3fe4f19d859a63673 (diff) | |
math.c: tanh overflow
* math.c (tanh): check overflows, and return +-1.0.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55798 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
| -rw-r--r-- | test/ruby/test_math.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/test/ruby/test_math.rb b/test/ruby/test_math.rb index ac9ab3c961..f226287442 100644 --- a/test/ruby/test_math.rb +++ b/test/ruby/test_math.rb @@ -111,6 +111,8 @@ class TestMath < Test::Unit::TestCase check(Math.sinh(0) / Math.cosh(0), Math.tanh(0)) check(Math.sinh(1) / Math.cosh(1), Math.tanh(1)) check(Math.sinh(2) / Math.cosh(2), Math.tanh(2)) + check(+1.0, Math.tanh(+1000.0)) + check(-1.0, Math.tanh(-1000.0)) end def test_acosh |