1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
require_relative '../../../spec_helper'
ruby_version_is ""..."3.1" do
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
-> {
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
end
|
