blob: 4ff9597c8296d4859542496a61d3d9a3a1f6bc2d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
require_relative '../../../spec_helper'
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
|