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Diffstat (limited to 'spec/rubyspec/library/matrix/shared/inverse.rb')
| -rw-r--r-- | spec/rubyspec/library/matrix/shared/inverse.rb | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/spec/rubyspec/library/matrix/shared/inverse.rb b/spec/rubyspec/library/matrix/shared/inverse.rb deleted file mode 100644 index c6996df4a3..0000000000 --- a/spec/rubyspec/library/matrix/shared/inverse.rb +++ /dev/null @@ -1,38 +0,0 @@ -require File.expand_path('../../fixtures/classes', __FILE__) -require 'matrix' - -describe :inverse, shared: true do - - it "returns a Matrix" do - Matrix[ [1,2], [2,1] ].send(@method).should be_an_instance_of(Matrix) - end - - it "returns the inverse of the Matrix" do - Matrix[ - [1, 3, 3], [1, 4, 3], [1, 3, 4] - ].send(@method).should == - Matrix[ - [7, -3, -3], [-1, 1, 0], [-1, 0, 1] - ] - end - - it "returns the inverse of the Matrix (other case)" do - Matrix[ - [1, 2, 3], [0, 1, 4], [5, 6, 0] - ].send(@method).should be_close_to_matrix([ - [-24, 18, 5], [20, -15, -4], [-5, 4, 1] - ]) - end - - it "raises a ErrDimensionMismatch if the Matrix is not square" do - lambda{ - Matrix[ [1,2,3], [1,2,3] ].send(@method) - }.should raise_error(Matrix::ErrDimensionMismatch) - 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 |