diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-10-20 02:49:18 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-10-20 02:49:18 +0000 |
| commit | b4bbfe4bb91db310d903a149cfa5525295e4a70c (patch) | |
| tree | f4238c1cbdc236dc5f5ee2d16661f0fa22449f7a /test/ruby/test_complex.rb | |
| parent | c561284bc258dee0d3410f102573d768f6365f88 (diff) | |
| download | ruby-b4bbfe4bb91db310d903a149cfa5525295e4a70c.tar.gz | |
complex.c: small optimization of Complex#**
* complex.c (rb_complex_pow): calculate power of a Fixnum without
allocating intermediate Complex objects, and avoid unexpected
NaNs.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_complex.rb')
| -rw-r--r-- | test/ruby/test_complex.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/ruby/test_complex.rb b/test/ruby/test_complex.rb index 10289226fe..1180e9acb0 100644 --- a/test/ruby/test_complex.rb +++ b/test/ruby/test_complex.rb @@ -407,6 +407,10 @@ class Complex_Test < Test::Unit::TestCase r = c ** Rational(-2,3) assert_in_delta(0.432, r.real, 0.001) assert_in_delta(-0.393, r.imag, 0.001) + + c = Complex(0.0, -888888888888888.0)**8888 + assert_not_predicate(c.real, :nan?) + assert_not_predicate(c.imag, :nan?) end def test_cmp |