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* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
18 lines
434 B
Ruby
18 lines
434 B
Ruby
require File.expand_path('../../../../spec_helper', __FILE__)
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require 'matrix'
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describe "Matrix::LUPDecomposition#l" do
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before :each do
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@a = Matrix[[7, 8, 9], [14, 46, 51], [28, 82, 163]]
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@lu = Matrix::LUPDecomposition.new(@a)
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@l = @lu.l
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end
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it "returns the first element of to_a" do
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@l.should == @lu.to_a[0]
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end
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it "returns a lower triangular matrix" do
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@l.lower_triangular?.should be_true
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end
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end
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