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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 | 1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/matrix/vector/inner_product_spec.rb | |
parent | 75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff) | |
download | ruby-1d15d5f08032acf1b7bceacbb450d617ff6e0931.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/vector/inner_product_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/vector/inner_product_spec.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/vector/inner_product_spec.rb b/spec/ruby/library/matrix/vector/inner_product_spec.rb new file mode 100644 index 0000000000..a953598b51 --- /dev/null +++ b/spec/ruby/library/matrix/vector/inner_product_spec.rb @@ -0,0 +1,22 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'matrix' + +describe "Vector#inner_product" do + it "returns the inner product of a vector" do + Vector[1, 2, 3].inner_product(Vector[0, -4, 5]).should == 7 + end + + it "returns 0 for empty vectors" do + Vector[].inner_product(Vector[]).should == 0 + end + + it "raises an error for mismatched vectors" do + lambda { + Vector[1, 2, 3].inner_product(Vector[0, -4]) + }.should raise_error(Vector::ErrDimensionMismatch) + end + + it "uses the conjugate of its argument" do + Vector[Complex(1,2)].inner_product(Vector[Complex(3,4)]).should == Complex(11, 2) + end +end |