mathutil

package

v2.0.0-...-7f6935a Latest Latest Go to latest Published: May 5, 2020 License: MIT Imports: 2 Imported by: 0

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func LimitFloat64(v float64, min, max float64) float64

func LimitInt(v int, min, max int) int

func Max(a, b int) int

func Min(a, b int) int

type Intf int64

Integer based float. Based on fixed.Int52_12.

func Intf1(x int) Intf

func Intf2(x fixed.Int26_6) Intf

func (x Intf) Ceil() int

func (x Intf) Floor() int

func (x Intf) Mul(y Intf) Intf

func (x Intf) String() string

type PointIntf struct {
	X, Y Intf
}

func PIntf1(x, y int) PointIntf

func PIntf2(p image.Point) PointIntf

func (p PointIntf) Add(q PointIntf) PointIntf

func (p PointIntf) In(r RectangleIntf) bool

func (p PointIntf) Sub(q PointIntf) PointIntf

func (p PointIntf) ToPointCeil() image.Point

func (p PointIntf) ToPointFloor() image.Point

type RectangleIntf struct {
	Min, Max PointIntf
}

func RIntf(r image.Rectangle) RectangleIntf

func (r RectangleIntf) Add(p PointIntf) RectangleIntf

func (r RectangleIntf) Empty() bool

func (r RectangleIntf) Intersect(s RectangleIntf) RectangleIntf

func (r RectangleIntf) Sub(p PointIntf) RectangleIntf

func (r RectangleIntf) ToRectFloorCeil() image.Rectangle