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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
commit | c530d0faf064d561bf7755c55a34921572d343ef (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/matrix/eigenvalue_decomposition/to_a_spec.rb | |
parent | 77eb1c94ee74f11ebf347f0539d3949b2cf4e2b3 (diff) | |
download | ruby-c530d0faf064d561bf7755c55a34921572d343ef.tar.gz |
Move spec/rubyspec to spec/ruby for consistency
* 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
Diffstat (limited to 'spec/ruby/library/matrix/eigenvalue_decomposition/to_a_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/eigenvalue_decomposition/to_a_spec.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/eigenvalue_decomposition/to_a_spec.rb b/spec/ruby/library/matrix/eigenvalue_decomposition/to_a_spec.rb new file mode 100644 index 0000000000..e9b849eb97 --- /dev/null +++ b/spec/ruby/library/matrix/eigenvalue_decomposition/to_a_spec.rb @@ -0,0 +1,18 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'matrix' + +describe "Matrix::EigenvalueDecomposition#to_a" do + before :each do + @a = Matrix[[14, 16], [-6, -6]] + @e = Matrix::EigenvalueDecomposition.new(@a) + end + + it "returns an array of with [V, D, V.inv]" do + @e.to_a.should == [@e.v, @e.d, @e.v_inv] + end + + it "returns a factorization" do + v, d, v_inv = @e.to_a + (v * d * v_inv).map{|e| e.round(10)}.should == @a + end +end |