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authorgogotanaka <gogotanaka@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-06-06 22:11:00 +0000
committergogotanaka <gogotanaka@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-06-06 22:11:00 +0000
commit3eb63250abfe47f3749b5b12b97e946f4a92d7d0 (patch)
treeffda95e9de38c2f7257b36570b80d51568b26e57 /test/test_cmath.rb
parente0934947d3b5403ee51b0809c4b6c139eb99500a (diff)
* Move test cases from test/ruby/test_complex.rb to test/test_cmath.rb
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/test_cmath.rb')
-rw-r--r--test/test_cmath.rb39
1 files changed, 35 insertions, 4 deletions
diff --git a/test/test_cmath.rb b/test/test_cmath.rb
index 1e1824a..e911fcb 100644
--- a/test/test_cmath.rb
+++ b/test/test_cmath.rb
@@ -3,14 +3,45 @@ require 'cmath'
class TestCMath < Test::Unit::TestCase
def test_sqrt
- assert_equal CMath.sqrt(1.0.i), CMath.sqrt(1.i), '[ruby-core:31672]'
+ assert_equal CMath.sqrt(1i), CMath.sqrt(1.0i), '[ruby-core:31672]'
+ assert_in_delta 1.272019649514069+0.7861513777574233i, CMath.sqrt(1+2i)
+ assert_in_delta 3.0i, CMath.sqrt(-9)
+ assert_equal Complex(0,2), CMath.sqrt(-4.0)
+ assert_equal Complex(0,2), CMath.sqrt(-4)
+ assert_equal Complex(0,2), CMath.sqrt(Rational(-4))
+ assert_equal Complex(0,3), CMath.sqrt(-9.0)
+ assert_equal Complex(0,3), CMath.sqrt(-9)
+ assert_equal Complex(0,3), CMath.sqrt(Rational(-9))
end
- def test_acos
- assert_in_delta CMath.acos(Complex(3, 4)), Complex(0.9368124611557199,-2.305509031243477)
+ def test_log
+ assert_in_delta 0.8047189562170503+1.1071487177940904i, CMath.log(1+2i)
+ assert_in_delta 0.7324867603589635+1.0077701926457874i, CMath.log(1+2i,3)
+ assert_in_delta Math::PI*1i , CMath.log(-1)
+ assert_in_delta 3.0 , CMath.log(8, 2)
+ assert_in_delta 1.092840647090816-0.42078724841586035i, CMath.log(-8, -2)
+ end
+
+ def test_functions
+ assert_in_delta -1.1312043837568135+2.4717266720048188i , CMath.exp(1+2i)
+ assert_in_delta 3.165778513216168+1.959601041421606i , CMath.sin(1+2i)
+ assert_in_delta 2.0327230070196656-3.0518977991517997i , CMath.cos(1+2i)
+ assert_in_delta 0.033812826079896774+1.0147936161466338i, CMath.tan(1+2i)
+ assert_in_delta -0.4890562590412937+1.4031192506220405i , CMath.sinh(1+2i)
+ assert_in_delta -0.64214812471552+1.0686074213827783i , CMath.cosh(1+2i)
+ assert_in_delta 1.16673625724092-0.2434582011857252i , CMath.tanh(1+2i)
+ assert_in_delta 1.1609640474436813+1.5972779646881088i , CMath.log2(1+2i)
+ assert_in_delta 0.3494850021680094+0.480828578784234i , CMath.log10(1+2i)
+ assert_in_delta 0.4270785863924755+1.5285709194809978i , CMath.asin(1+2i)
+ assert_in_delta 1.1437177404024204-1.528570919480998i , CMath.acos(1+2i)
+ assert_in_delta 1.3389725222944935+0.4023594781085251i , CMath.atan(1+2i)
+ assert_in_delta 1.3389725222944935+0.4023594781085251i , CMath.atan2(1+2i,1)
+ assert_in_delta 1.4693517443681852+1.0634400235777521i , CMath.asinh(1+2i)
+ assert_in_delta 1.528570919480998+1.1437177404024204i , CMath.acosh(1+2i)
+ assert_in_delta 0.17328679513998635+1.1780972450961724i , CMath.atanh(1+2i)
end
def test_cbrt_returns_principal_value_of_cube_root
- assert_equal CMath.cbrt(-8), (-8)**(1.0/3), '#3676'
+ assert_equal (-8)**(1.0/3), CMath.cbrt(-8), '#3676'
end
end