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package main
import (
"github.com/hongshibao/go-kdtree"
)
type EuclideanPoint struct {
kdtree.Point
Vec []float64
}
func (p EuclideanPoint) Dim() int {
return len(p.Vec)
}
func (p EuclideanPoint) GetValue(dim int) float64 {
return p.Vec[dim]
}
func (p EuclideanPoint) Distance(other kdtree.Point) float64 {
var ret float64
for i := 0; i < p.Dim(); i++ {
tmp := p.GetValue(i) - other.GetValue(i)
ret += tmp * tmp
}
return ret
}
func (p EuclideanPoint) PlaneDistance(val float64, dim int) float64 {
tmp := p.GetValue(dim) - val
return tmp * tmp
}
func NewEuclideanPoint(vals ...float64) *EuclideanPoint {
ret := &EuclideanPoint{}
for _, val := range vals {
ret.Vec = append(ret.Vec, val)
}
return ret
}
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