File: conjugate.rb

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require_relative '../fixtures/classes'
require 'matrix'

describe :matrix_conjugate, shared: true do
  it "returns a matrix with all entries 'conjugated'" do
    Matrix[ [1,   2], [3, 4] ].send(@method).should == Matrix[ [1,   2], [3, 4] ]
    Matrix[ [1.9, Complex(1,1)], [3, 4] ].send(@method).should == Matrix[ [1.9, Complex(1,-1)], [3, 4] ]
  end

  it "returns empty matrices on the same size if empty" do
    Matrix.empty(0, 3).send(@method).should == Matrix.empty(0, 3)
    Matrix.empty(3, 0).send(@method).should == Matrix.empty(3, 0)
  end

  describe "for a subclass of Matrix" do
    it "returns an instance of that subclass" do
      MatrixSub.ins.send(@method).should be_an_instance_of(MatrixSub)
    end
  end
end