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authorHiroshi SHIBATA <hsbt@ruby-lang.org>2021-05-26 20:36:23 +0900
committerHiroshi SHIBATA <hsbt@ruby-lang.org>2021-05-27 14:42:11 +0900
commit835a4956081e43ae21a78667f2b87f275467b70e (patch)
tree62138643702c5ef21aa2f741fe1363d735437252 /spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb
parent350bc29107e96871030ccffaf334c3e0a9d80f5f (diff)
Guard ruby/spec with spec/mspec/tool/wrap_with_guard.rb
Notes
Notes: Merged: https://github.com/ruby/ruby/pull/4530
Diffstat (limited to 'spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb')
-rw-r--r--spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb35
1 files changed, 19 insertions, 16 deletions
diff --git a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb
index 7552b7616c..650d43d90f 100644
--- a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb
+++ b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb
@@ -1,22 +1,25 @@
require_relative '../../../spec_helper'
-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
+ruby_version_is ""..."3.1" do
+ require 'matrix'
- 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
+ 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 matrix" do
- Matrix[[14, 16],
- [-6, -6]].eigensystem.eigenvalues.sort.map!{|x| x.round(10)}.should ==
- [ 2, 6 ]
+ 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
end