diff options
| -rw-r--r-- | spec/ruby/core/math/lgamma_spec.rb | 11 | ||||
| -rw-r--r-- | test/ruby/test_math.rb | 12 | ||||
| -rw-r--r-- | version.h | 2 |
3 files changed, 16 insertions, 9 deletions
diff --git a/spec/ruby/core/math/lgamma_spec.rb b/spec/ruby/core/math/lgamma_spec.rb index 33e7836448..2bf350993e 100644 --- a/spec/ruby/core/math/lgamma_spec.rb +++ b/spec/ruby/core/math/lgamma_spec.rb @@ -5,10 +5,8 @@ describe "Math.lgamma" do Math.lgamma(0).should == [infinity_value, 1] end - platform_is_not :windows do - it "returns [Infinity, 1] when passed -1" do - Math.lgamma(-1).should == [infinity_value, 1] - end + it "returns [Infinity, ...] when passed -1" do + Math.lgamma(-1)[0].should == infinity_value end it "returns [Infinity, -1] when passed -0.0" do @@ -47,8 +45,7 @@ describe "Math.lgamma" do Math.lgamma(infinity_value).should == [infinity_value, 1] end - it "returns [NaN, 1] when passed NaN" do - Math.lgamma(nan_value)[0].nan?.should be_true - Math.lgamma(nan_value)[1].should == 1 + it "returns [NaN, ...] when passed NaN" do + Math.lgamma(nan_value)[0].should.nan? end end diff --git a/test/ruby/test_math.rb b/test/ruby/test_math.rb index 6e67099c6b..3fd382b055 100644 --- a/test/ruby/test_math.rb +++ b/test/ruby/test_math.rb @@ -301,11 +301,21 @@ class TestMath < Test::Unit::TestCase assert_float_and_int([Math.log(6), 1], Math.lgamma(4)) assert_raise_with_message(Math::DomainError, /\blgamma\b/) { Math.lgamma(-Float::INFINITY) } + + x, sign = Math.lgamma(+0.0) + mesg = "Math.lgamma(+0.0) should be [INF, +1]" + assert_infinity(x, mesg) + assert_equal(+1, sign, mesg) + x, sign = Math.lgamma(-0.0) mesg = "Math.lgamma(-0.0) should be [INF, -1]" assert_infinity(x, mesg) assert_equal(-1, sign, mesg) - x, sign = Math.lgamma(Float::NAN) + + x, = Math.lgamma(-1) + assert_infinity(x, "Math.lgamma(-1) should be +INF") + + x, = Math.lgamma(Float::NAN) assert_nan(x) end @@ -11,7 +11,7 @@ # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR #define RUBY_VERSION_TEENY 10 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR -#define RUBY_PATCHLEVEL 192 +#define RUBY_PATCHLEVEL 193 #include "ruby/version.h" #include "ruby/internal/abi.h" |