diff options
Diffstat (limited to 'spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb index 650d43d90f..7552b7616c 100644 --- a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb +++ b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb @@ -1,25 +1,22 @@ require_relative '../../../spec_helper' +require 'matrix' -ruby_version_is ""..."3.1" do - 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 +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 symmetric 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 symmetric 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 + 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 |