mirror of
https://github.com/sjwhitworth/golearn.git
synced 2025-04-26 13:49:14 +08:00
37 lines
753 B
Go
37 lines
753 B
Go
package pairwise
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/gonum/matrix/mat64"
|
|
. "github.com/smartystreets/goconvey/convey"
|
|
)
|
|
|
|
func TestEuclidean(t *testing.T) {
|
|
var vectorX, vectorY *mat64.Dense
|
|
euclidean := NewEuclidean()
|
|
|
|
Convey("Given two vectors", t, func() {
|
|
vectorX = mat64.NewDense(3, 1, []float64{1, 2, 3})
|
|
vectorY = mat64.NewDense(3, 1, []float64{2, 4, 5})
|
|
|
|
Convey("When doing inner product", func() {
|
|
result := euclidean.InnerProduct(vectorX, vectorY)
|
|
|
|
Convey("The result should be 25", func() {
|
|
So(result, ShouldEqual, 25)
|
|
})
|
|
})
|
|
|
|
Convey("When calculating distance", func() {
|
|
result := euclidean.Distance(vectorX, vectorY)
|
|
|
|
Convey("The result should be 3", func() {
|
|
So(result, ShouldEqual, 3)
|
|
})
|
|
|
|
})
|
|
|
|
})
|
|
}
|