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require File.expand_path('../../../../spec_helper', __FILE__)
require 'matrix'
describe "Matrix::LUPDecomposition#initialize" do
it "raises an error if argument is not a matrix" do
lambda {
Matrix::LUPDecomposition.new([[]])
}.should raise_error(TypeError)
lambda {
Matrix::LUPDecomposition.new(42)
}.should raise_error(TypeError)
end
end
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