From 4ddbc83c910dd62e1faffce0258d264296e372a9 Mon Sep 17 00:00:00 2001 From: gogotanaka Date: Wed, 10 Jun 2015 20:04:37 +0000 Subject: * 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 --- test/test_cmath.rb | 30 +++++++++++++++++++++++++----- 1 file changed, 25 insertions(+), 5 deletions(-) (limited to 'test/test_cmath.rb') diff --git a/test/test_cmath.rb b/test/test_cmath.rb index d2dbf58178..c48bb4d673 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") } -- cgit v1.2.3