From b4bbfe4bb91db310d903a149cfa5525295e4a70c Mon Sep 17 00:00:00 2001 From: nobu Date: Sat, 20 Oct 2018 02:49:18 +0000 Subject: 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 --- test/ruby/test_complex.rb | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'test') 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 -- cgit v1.2.3