grid2d

Documentation

Index

• func AbsInt(n int) int
• type Edge
  • func E(p1, p2 Pointf) Edge
  • func (e Edge) Length() float64
• type Point
  • func Pt(x, y int) Point
  • func (p Point) Add(q Point) Point
  • func (p Point) DistTo(q Point) float64
  • func (p Point) InnerProduct(q Point) float64
  • func (p Point) ManhattenDistTo(q Point) int
  • func (p Point) ManhattenNorm() int
  • func (p Point) Norm() float64
  • func (p Point) String() string
  • func (p Point) Sub(q Point) Point
• type Pointf
  • func Ptf(x, y float64) Pointf
  • func (p Pointf) Add(q Pointf) Pointf
  • func (p Pointf) DistTo(q Pointf) float64
  • func (p Pointf) InnerProduct(q Pointf) float64
  • func (p Pointf) Norm() float64
  • func (p Pointf) String() string
  • func (p Pointf) Sub(q Pointf) Pointf

Functions

func AbsInt

func AbsInt(n int) int

Types

type Edge

type Edge struct {
	P1 Pointf
	P2 Pointf
}

func E

func E(p1, p2 Pointf) Edge

func (Edge) Length

func (e Edge) Length() float64

type Point

type Point struct {
	X, Y int
}

func Pt

func Pt(x, y int) Point

func (Point) Add

func (p Point) Add(q Point) Point

func (Point) DistTo

func (p Point) DistTo(q Point) float64

func (Point) InnerProduct

func (p Point) InnerProduct(q Point) float64

func (Point) ManhattenDistTo

func (p Point) ManhattenDistTo(q Point) int

func (Point) ManhattenNorm

func (p Point) ManhattenNorm() int

func (Point) Norm

func (p Point) Norm() float64

func (Point) String

func (p Point) String() string

func (Point) Sub

func (p Point) Sub(q Point) Point

type Pointf

type Pointf struct {
	X, Y float64
}

func Ptf

func Ptf(x, y float64) Pointf

func (Pointf) Add

func (p Pointf) Add(q Pointf) Pointf

func (Pointf) DistTo

func (p Pointf) DistTo(q Pointf) float64

func (Pointf) InnerProduct

func (p Pointf) InnerProduct(q Pointf) float64

func (Pointf) Norm

func (p Pointf) Norm() float64

func (Pointf) String

func (p Pointf) String() string

func (Pointf) Sub

func (p Pointf) Sub(q Pointf) Pointf