blob: 2263c7315ecbed4fff81ac9b5eb6cb30a6b5f538 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#!/usr/bin/env ruby
require_relative '../lib/zipf/SparseVector'
require 'test/unit'
class TestSparseVector < Test::Unit::TestCase
def test_unit
v = SparseVector.new
v[:a] = 1
v[:b] = 2
v[:c] = 3
w = SparseVector.new v
assert_equal Math.sqrt(1**2+2**2+3**2), v.norm
v.unit!
assert_equal v.norm, 1.0
q = w.unit
assert_equal q.norm, 1.0
assert_equal w.norm, Math.sqrt(1**2+2**2+3**2)
end
end
|
