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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/matrix/vector
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
downloadruby-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')
-rw-r--r--spec/ruby/library/matrix/vector/cross_product_spec.rb14
-rw-r--r--spec/ruby/library/matrix/vector/each2_spec.rb49
-rw-r--r--spec/ruby/library/matrix/vector/eql_spec.rb16
-rw-r--r--spec/ruby/library/matrix/vector/inner_product_spec.rb22
-rw-r--r--spec/ruby/library/matrix/vector/normalize_spec.rb18
5 files changed, 119 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/vector/cross_product_spec.rb b/spec/ruby/library/matrix/vector/cross_product_spec.rb
new file mode 100644
index 0000000000..f26cf585da
--- /dev/null
+++ b/spec/ruby/library/matrix/vector/cross_product_spec.rb
@@ -0,0 +1,14 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'matrix'
+
+describe "Vector#cross_product" do
+ it "returns the cross product of a vector" do
+ Vector[1, 2, 3].cross_product(Vector[0, -4, 5]).should == Vector[22, -5, -4]
+ end
+
+ it "raises an error unless both vectors have dimension 3" do
+ lambda {
+ Vector[1, 2, 3].cross_product(Vector[0, -4])
+ }.should raise_error(Vector::ErrDimensionMismatch)
+ end
+end
diff --git a/spec/ruby/library/matrix/vector/each2_spec.rb b/spec/ruby/library/matrix/vector/each2_spec.rb
new file mode 100644
index 0000000000..e9d89e21c4
--- /dev/null
+++ b/spec/ruby/library/matrix/vector/each2_spec.rb
@@ -0,0 +1,49 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'matrix'
+
+describe "Vector.each2" do
+ before :all do
+ @v = Vector[1, 2, 3]
+ @v2 = Vector[4, 5, 6]
+ end
+
+ it "requires one argument" do
+ lambda { @v.each2(@v2, @v2){} }.should raise_error(ArgumentError)
+ lambda { @v.each2(){} }.should raise_error(ArgumentError)
+ end
+
+ describe "given one argument" do
+ it "accepts an Array argument" do
+ a = []
+ @v.each2([7, 8, 9]){|x, y| a << x << y}
+ a.should == [1, 7, 2, 8, 3, 9]
+ end
+
+ it "raises a DimensionMismatch error if the Vector size is different" do
+ lambda { @v.each2(Vector[1,2]){} }.should raise_error(Vector::ErrDimensionMismatch)
+ lambda { @v.each2(Vector[1,2,3,4]){} }.should raise_error(Vector::ErrDimensionMismatch)
+ end
+
+ it "yields arguments in sequence" do
+ a = []
+ @v.each2(@v2){|first, second| a << [first, second]}
+ a.should == [[1, 4], [2, 5], [3, 6]]
+ end
+
+ it "yield arguments in pairs" do
+ a = []
+ @v.each2(@v2){|*pair| a << pair}
+ a.should == [[1, 4], [2, 5], [3, 6]]
+ end
+
+ it "returns self when given a block" do
+ @v.each2(@v2){}.should equal(@v)
+ end
+
+ it "returns an enumerator if no block given" do
+ enum = @v.each2(@v2)
+ enum.should be_an_instance_of(Enumerator)
+ enum.to_a.should == [[1, 4], [2, 5], [3, 6]]
+ end
+ end
+end
diff --git a/spec/ruby/library/matrix/vector/eql_spec.rb b/spec/ruby/library/matrix/vector/eql_spec.rb
new file mode 100644
index 0000000000..6cc69bbf7d
--- /dev/null
+++ b/spec/ruby/library/matrix/vector/eql_spec.rb
@@ -0,0 +1,16 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'matrix'
+
+describe "Vector#eql?" do
+ before do
+ @vector = Vector[1, 2, 3, 4, 5]
+ end
+
+ it "returns true for self" do
+ @vector.eql?(@vector).should be_true
+ end
+
+ it "returns false when there are a pair corresponding elements which are not equal in the sense of Kernel#eql?" do
+ @vector.eql?(Vector[1, 2, 3, 4, 5.0]).should be_false
+ end
+end
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
diff --git a/spec/ruby/library/matrix/vector/normalize_spec.rb b/spec/ruby/library/matrix/vector/normalize_spec.rb
new file mode 100644
index 0000000000..14aac1f5e3
--- /dev/null
+++ b/spec/ruby/library/matrix/vector/normalize_spec.rb
@@ -0,0 +1,18 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'matrix'
+
+describe "Vector#normalize" do
+ it "returns a normalized copy of the vector" do
+ x = 0.2672612419124244
+ Vector[1, 2, 3].normalize.should == Vector[x, x * 2, x * 3]
+ end
+
+ it "raises an error for zero vectors" do
+ lambda {
+ Vector[].normalize
+ }.should raise_error(Vector::ZeroVectorError)
+ lambda {
+ Vector[0, 0, 0].normalize
+ }.should raise_error(Vector::ZeroVectorError)
+ end
+end