diff options
Diffstat (limited to 'spec/ruby/library/matrix/lup_decomposition/to_a_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/lup_decomposition/to_a_spec.rb | 53 |
1 files changed, 25 insertions, 28 deletions
diff --git a/spec/ruby/library/matrix/lup_decomposition/to_a_spec.rb b/spec/ruby/library/matrix/lup_decomposition/to_a_spec.rb index 8702292865..9b1dccbbac 100644 --- a/spec/ruby/library/matrix/lup_decomposition/to_a_spec.rb +++ b/spec/ruby/library/matrix/lup_decomposition/to_a_spec.rb @@ -1,36 +1,33 @@ require_relative '../../../spec_helper' +require 'matrix' -ruby_version_is ""..."3.1" do - require 'matrix' - - describe "Matrix::LUPDecomposition#to_a" do - before :each do - @a = Matrix[[7, 8, 9], [14, 46, 51], [28, 82, 163]] - @lu = Matrix::LUPDecomposition.new(@a) - @to_a = @lu.to_a - @l, @u, @p = @to_a - end +describe "Matrix::LUPDecomposition#to_a" do + before :each do + @a = Matrix[[7, 8, 9], [14, 46, 51], [28, 82, 163]] + @lu = Matrix::LUPDecomposition.new(@a) + @to_a = @lu.to_a + @l, @u, @p = @to_a + end - it "returns an array of three matrices" do - @to_a.should be_kind_of(Array) - @to_a.length.should == 3 - @to_a.each{|m| m.should be_kind_of(Matrix)} - end + it "returns an array of three matrices" do + @to_a.should be_kind_of(Array) + @to_a.length.should == 3 + @to_a.each{|m| m.should be_kind_of(Matrix)} + end - it "returns [l, u, p] such that l*u == a*p" do - (@l * @u).should == (@p * @a) - end + it "returns [l, u, p] such that l*u == a*p" do + (@l * @u).should == (@p * @a) + end - it "returns the right values for rectangular matrices" do - [ - Matrix[[7, 8, 9], [14, 46, 51]], - Matrix[[4, 11], [5, 8], [3, 4]], - ].each do |a| - l, u, p = Matrix::LUPDecomposition.new(a).to_a - (l * u).should == (p * a) - end + it "returns the right values for rectangular matrices" do + [ + Matrix[[7, 8, 9], [14, 46, 51]], + Matrix[[4, 11], [5, 8], [3, 4]], + ].each do |a| + l, u, p = Matrix::LUPDecomposition.new(a).to_a + (l * u).should == (p * a) end - - it "has other properties implied by the specs of #l, #u and #p" end + + it "has other properties implied by the specs of #l, #u and #p" end |