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22 lines
740 B
Ruby
22 lines
740 B
Ruby
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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require 'matrix'
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describe "Matrix#round" do
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it "returns a matrix with all entries rounded" do
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Matrix[ [1, 2.34], [5.67, 8] ].round.should == Matrix[ [1, 2], [6, 8] ]
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Matrix[ [1, 2.34], [5.67, 8] ].round(1).should == Matrix[ [1, 2.3], [5.7, 8] ]
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end
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it "returns empty matrices on the same size if empty" do
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Matrix.empty(0, 3).round.should == Matrix.empty(0, 3)
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Matrix.empty(3, 0).round(42).should == Matrix.empty(3, 0)
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end
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describe "for a subclass of Matrix" do
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it "returns an instance of that subclass" do
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MatrixSub.ins.round.should be_an_instance_of(MatrixSub)
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end
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end
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end
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