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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
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