diff options
| author | Hiroshi SHIBATA <[email protected]> | 2024-02-15 19:01:44 +0900 |
|---|---|---|
| committer | Hiroshi SHIBATA <[email protected]> | 2024-02-15 20:34:52 +0900 |
| commit | 8ba053d3fb2ba0482bcfd913d99e4adedeb4be27 (patch) | |
| tree | 9a85c961a1e6656b3a4852c7d2eae3f206c19893 /spec/ruby/library/matrix/singular_spec.rb | |
| parent | 8f926cb8d845585cbf6fe77a084229cb0a37b84a (diff) | |
Re-enabled old bundled gems
Diffstat (limited to 'spec/ruby/library/matrix/singular_spec.rb')
| -rw-r--r-- | spec/ruby/library/matrix/singular_spec.rb | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/spec/ruby/library/matrix/singular_spec.rb b/spec/ruby/library/matrix/singular_spec.rb index 341c2675a8..7bba36a54a 100644 --- a/spec/ruby/library/matrix/singular_spec.rb +++ b/spec/ruby/library/matrix/singular_spec.rb @@ -1,34 +1,31 @@ require_relative '../../spec_helper' +require 'matrix' -ruby_version_is ""..."3.1" do - require 'matrix' +describe "Matrix#singular?" do + it "returns true for singular matrices" do + m = Matrix[ [1,2,3], [3,4,3], [0,0,0] ] + m.singular?.should be_true - describe "Matrix#singular?" do - it "returns true for singular matrices" do - m = Matrix[ [1,2,3], [3,4,3], [0,0,0] ] - m.singular?.should be_true - - m = Matrix[ [1,2,9], [3,4,9], [1,2,9] ] - m.singular?.should be_true - end - - it "returns false if the Matrix is regular" do - Matrix[ [0,1], [1,0] ].singular?.should be_false - end + m = Matrix[ [1,2,9], [3,4,9], [1,2,9] ] + m.singular?.should be_true + end - it "returns false for an empty 0x0 matrix" do - Matrix.empty(0,0).singular?.should be_false - end + it "returns false if the Matrix is regular" do + Matrix[ [0,1], [1,0] ].singular?.should be_false + end - it "raises an error for rectangular matrices" do - -> { - Matrix[[1], [2], [3]].singular? - }.should raise_error(Matrix::ErrDimensionMismatch) + it "returns false for an empty 0x0 matrix" do + Matrix.empty(0,0).singular?.should be_false + end - -> { - Matrix.empty(3,0).singular? - }.should raise_error(Matrix::ErrDimensionMismatch) - end + it "raises an error for rectangular matrices" do + -> { + Matrix[[1], [2], [3]].singular? + }.should raise_error(Matrix::ErrDimensionMismatch) + -> { + Matrix.empty(3,0).singular? + }.should raise_error(Matrix::ErrDimensionMismatch) end + end |