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* lib/cmath.rb (CMath.log): second argument: b can be nil.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2011-06-29 21:25:03 +00:00
parent be9d096cc9
commit eaa572e57d
3 changed files with 9 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Thu Jun 30 06:17:02 2011 NARUSE, Yui <naruse@ruby-lang.org>
* lib/cmath.rb (CMath.log): second argument: b can be nil.
Thu Jun 30 06:23:28 2011 Eric Hodel <drbrain@segment7.net>
* thread.c (ruby_thread_s_pass): Fix typo.

2
lib/cmath.rb
View file

@ -71,7 +71,7 @@ module CMath
def log(*args)
begin
z, b = args
unless b.kind_of?(Numeric)
unless b.nil? || b.kind_of?(Numeric)
raise TypeError, "Numeric Number required"
end
if z.real? and z >= 0 and (b.nil? or b >= 0)

4
test/test_cmath.rb
View file

@ -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