math

Documentation

Index

• func Abs[T constraints.Integer | constraints.Float](x T) T
• func CeilEven[T constraints.Integer](n T) T
• func Clip[T constraints.Ordered](x, a, b T) T
• func Inscribed[T constraints.Integer](outW, outH, w, h T) (T, T)
• func Position[T constraints.Integer](outW, outH, w, h, xp, yp T) (T, T)
• type Rational
  • func Fraction[N, D constraints.Integer | constraints.Float](num N, den D) *Rational[N, D]

Functions

func Abs

func Abs[T constraints.Integer | constraints.Float](x T) T

整型绝对值

func CeilEven

func CeilEven[T constraints.Integer](n T) T

接近n的最小偶数 eg： CeilEven(41) is 40, CeilEven(30) is also 30.

func Clip

func Clip[T constraints.Ordered](x, a, b T) T

裁剪

func Inscribed

func Inscribed[T constraints.Integer](outW, outH, w, h T) (T, T)

内接

func Position

func Position[T constraints.Integer](outW, outH, w, h, xp, yp T) (T, T)

Types

type Rational

type Rational[N, D constraints.Integer | constraints.Float] struct {
	Num N
	Den D
}

func Fraction

func Fraction[N, D constraints.Integer | constraints.Float](num N, den D) *Rational[N, D]