diff options
Diffstat (limited to 'spec/ruby/library/matrix/real_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/real_spec.rb | 63 |
1 files changed, 30 insertions, 33 deletions
diff --git a/spec/ruby/library/matrix/real_spec.rb b/spec/ruby/library/matrix/real_spec.rb index 63a6bde923..38033c63c8 100644 --- a/spec/ruby/library/matrix/real_spec.rb +++ b/spec/ruby/library/matrix/real_spec.rb @@ -1,46 +1,43 @@ require_relative '../../spec_helper' +require_relative 'fixtures/classes' +require 'matrix' -ruby_version_is ""..."3.1" do - require_relative 'fixtures/classes' - require 'matrix' - - describe "Matrix#real?" do - it "returns true for matrices with all real entries" do - Matrix[ [1, 2], [3, 4] ].real?.should be_true - Matrix[ [1.9, 2], [3, 4] ].real?.should be_true - end +describe "Matrix#real?" do + it "returns true for matrices with all real entries" do + Matrix[ [1, 2], [3, 4] ].real?.should be_true + Matrix[ [1.9, 2], [3, 4] ].real?.should be_true + end - it "returns true for empty matrices" do - Matrix.empty.real?.should be_true - end + it "returns true for empty matrices" do + Matrix.empty.real?.should be_true + end - it "returns false if one element is a Complex" do - Matrix[ [Complex(1,1), 2], [3, 4] ].real?.should be_false - end + it "returns false if one element is a Complex" do + Matrix[ [Complex(1,1), 2], [3, 4] ].real?.should be_false + end - # Guard against the Mathn library - guard -> { !defined?(Math.rsqrt) } do - it "returns false if one element is a Complex whose imaginary part is 0" do - Matrix[ [Complex(1,0), 2], [3, 4] ].real?.should be_false - end + # Guard against the Mathn library + guard -> { !defined?(Math.rsqrt) } do + it "returns false if one element is a Complex whose imaginary part is 0" do + Matrix[ [Complex(1,0), 2], [3, 4] ].real?.should be_false end end +end - describe "Matrix#real" do - it "returns a matrix with the real part of the elements of the receiver" do - Matrix[ [1, 2], [3, 4] ].real.should == Matrix[ [1, 2], [3, 4] ] - Matrix[ [1.9, Complex(1,1)], [Complex(-0.42, 0), 4] ].real.should == Matrix[ [1.9, 1], [-0.42, 4] ] - end +describe "Matrix#real" do + it "returns a matrix with the real part of the elements of the receiver" do + Matrix[ [1, 2], [3, 4] ].real.should == Matrix[ [1, 2], [3, 4] ] + Matrix[ [1.9, Complex(1,1)], [Complex(-0.42, 0), 4] ].real.should == Matrix[ [1.9, 1], [-0.42, 4] ] + end - it "returns empty matrices on the same size if empty" do - Matrix.empty(0, 3).real.should == Matrix.empty(0, 3) - Matrix.empty(3, 0).real.should == Matrix.empty(3, 0) - end + it "returns empty matrices on the same size if empty" do + Matrix.empty(0, 3).real.should == Matrix.empty(0, 3) + Matrix.empty(3, 0).real.should == Matrix.empty(3, 0) + end - describe "for a subclass of Matrix" do - it "returns an instance of that subclass" do - MatrixSub.ins.real.should be_an_instance_of(MatrixSub) - end + describe "for a subclass of Matrix" do + it "returns an instance of that subclass" do + MatrixSub.ins.real.should be_an_instance_of(MatrixSub) end end end |