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authorgogotanaka <gogotanaka@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-06-10 20:04:37 +0000
committergogotanaka <gogotanaka@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-06-10 20:04:37 +0000
commit4ddbc83c910dd62e1faffce0258d264296e372a9 (patch)
treeb36295392c55ed496a64a603807330cef64342d1 /test/test_cmath.rb
parentfcf7d234fb6ac35e389cc7f8346e18e6b513529e (diff)
* test/test_cmath.rb: Add assertions for trigonometric functions.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50819 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/test_cmath.rb')
-rw-r--r--test/test_cmath.rb30
1 files changed, 25 insertions, 5 deletions
diff --git a/test/test_cmath.rb b/test/test_cmath.rb
index d2dbf58..c48bb4d 100644
--- a/test/test_cmath.rb
+++ b/test/test_cmath.rb
@@ -22,25 +22,45 @@ class TestCMath < Test::Unit::TestCase
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)
+ def test_trigonometric_functions
+ assert_equal CMath.sinh(2).i, CMath.sin(2i)
+ assert_equal CMath.cosh(2), CMath.cos(2i)
+ assert_equal CMath.tanh(2).i, CMath.tan(2i)
+
+ assert_equal CMath.sin(2).i, CMath.sinh(2i)
+ assert_equal CMath.cos(2), CMath.cosh(2i)
+ assert_equal CMath.tan(2).i, CMath.tanh(2i)
+
+ assert_in_delta 1+1i, CMath.sin(CMath.asin(1+1i))
+ assert_in_delta 1+1i, CMath.cos(CMath.acos(1+1i))
+ assert_in_delta 1+1i, CMath.tan(CMath.atan(1+1i))
+
+ assert_in_delta 1+1i, CMath.sinh(CMath.asinh(1+1i))
+ assert_in_delta 1+1i, CMath.cosh(CMath.acosh(1+1i))
+ assert_in_delta 1+1i, CMath.tanh(CMath.atanh(1+1i))
+
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_functions
+ assert_in_delta -1.1312043837568135+2.4717266720048188i, CMath.exp(1+2i)
+ assert_in_delta -1 , CMath.exp(Math::PI.i)
+ 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 1.3389725222944935+0.4023594781085251i , CMath.atan2(1+2i,1)
+ end
+
def test_error_handling
assert_raise_with_message(TypeError, "Numeric Number required") { CMath.acos("2") }
assert_raise_with_message(TypeError, "Numeric Number required") { CMath.log("2") }