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Move spec/rubyspec to spec/ruby for consistency

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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
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eregon 2017-09-20 20:18:52 +00:00
parent 75bfc6440d
commit 1d15d5f080
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spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb Normal file
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require File.expand_path('../../../../spec_helper', __FILE__)
require 'matrix'
describe "Matrix::EigenvalueDecomposition#eigenvalues" do
it "returns an array of complex eigenvalues for a rotation matrix" do
Matrix[[ 1, 1],
[-1, 1]].eigensystem.eigenvalues.sort_by{|v| v.imag}.should ==
[ Complex(1, -1), Complex(1, 1)]
end
it "returns an array of real eigenvalues for a symetric matrix" do
Matrix[[1, 2],
[2, 1]].eigensystem.eigenvalues.sort.map!{|x| x.round(10)}.should ==
[ -1, 3 ]
end
it "returns an array of real eigenvalues for a matrix" do
Matrix[[14, 16],
[-6, -6]].eigensystem.eigenvalues.sort.map!{|x| x.round(10)}.should ==
[ 2, 6 ]
end
end