From eaa572e57d1a21892e57f7e451cb991fab32b2d2 Mon Sep 17 00:00:00 2001 From: naruse Date: Wed, 29 Jun 2011 21:25:03 +0000 Subject: * lib/cmath.rb (CMath.log): second argument: b can be nil. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/test_cmath.rb | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'test') diff --git a/test/test_cmath.rb b/test/test_cmath.rb index 4f85ec3d04..ae4b15cafe 100644 --- a/test/test_cmath.rb +++ b/test/test_cmath.rb @@ -6,6 +6,10 @@ class TestCMath < Test::Unit::TestCase assert_equal CMath.sqrt(1.0.i), CMath.sqrt(1.i), '[ruby-core:31672]' end + def test_acos + assert_equal Complex(0.9368124611557199,-2.305509031243477), CMath.acos(Complex(3, 4)) + end + def test_cbrt_returns_principal_value_of_cube_root assert_equal CMath.cbrt(-8), (-8)**(1.0/3), '#3676' end -- cgit v1.2.3