region

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v0.2.1 Latest Latest Go to latest Published: Jul 6, 2015 License: MIT Imports: 1 Imported by: 0

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Repository

github.com/aganno2/gohper

Links

Open Source Insights

Documentation ¶

Index ¶

func Abs(a int) int
func Max(a, b int) int
func MaxByDir(a, b int, dir Direction) int
func Mid(a, b, c int) int
func Min(a, b int) int
func MinByDir(a, b int, dir Direction) int
func Pow(base, power uint) uint64
func Seq(a, b int) (int, int)
func SeqByDir(a, b int, dir Direction) (int, int)
type Direction
type Region
- func NewRegion(from, to int) Region

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Abs ¶

func Abs(a int) int

Abs return absolute a

func Max ¶

func Max(a, b int) int

Max return bigger in a and b

func MaxByDir ¶

func MaxByDir(a, b int, dir Direction) int

MaxByDir return maxium of a and b sorted by direction

func Mid ¶

func Mid(a, b, c int) int

Mid return mid of three

func Min ¶

func Min(a, b int) int

Min return smaller in a and b

func MinByDir ¶

func MinByDir(a, b int, dir Direction) int

MinByDir return minimum of a and b sorted by direction

func Pow ¶

func Pow(base, power uint) uint64

Pow return power of a base number

func Seq ¶

func Seq(a, b int) (int, int)

Seq return sequenced a and b

func SeqByDir ¶

func SeqByDir(a, b int, dir Direction) (int, int)

SeqByDir return the sequence of a and b sorted by direction if it's positive, a, b is returned, otherwise, b, a is returned

Types ¶

type Direction ¶

type Direction bool

Direction means positive or reverse

const (
	POSITIVE Direction = true
	REVERSE  Direction = false
)

type Region ¶

type Region struct {
	From, To int
	Dir      Direction
}

Region from point From to To. From must be less than To, real direction is decide by the Dir field

func (*Region) Adjust ¶

func (r *Region) Adjust(position, delta int)

Adjust apply the change in the position with delta(the change) to the region if need if point is after changed position, it must change also else if point is before the changed position, if the delta do not affect the point, needn't change point else apply the change also

func (Region) Begin ¶

func (r Region) Begin() int

Begin return start of Region

func (Region) Clip ¶

func (r Region) Clip(r2 Region) Region

Clip return the cliped against another region if r is inside r2 or r2 inside r, return r, else return r that remove intesect part

func (Region) Combine ¶

func (r Region) Combine(r2 Region) Region

Combine returns a region covering both regions, dir is same as r

func (Region) Contains ¶

func (r Region) Contains(point int) bool

Contains returns whether the region contains the given point or not.

func (Region) Cover ¶

func (r Region) Cover(r2 Region) bool

Cover returns whether the region fully covers the argument region

func (Region) Cut ¶

func (r Region) Cut(r2 Region) (ret []Region)

Cuts remove the intersect part

func (Region) Empty ¶

func (r Region) Empty() bool

Empty returns whether or not the region is empty

func (Region) End ¶

func (r Region) End() int

End return end of Region

func (Region) Intersection ¶

func (r Region) Intersection(r2 Region) (ret Region)

Intersection returns the region that is the intersection of the two

func (Region) Intersects ¶

func (r Region) Intersects(r2 Region) bool

Intersects check whether the two regions intersects

func (Region) MidIn ¶

func (r Region) MidIn(point int) bool

MidIn returns whether the point is in the reign and is't the begin and end

func (Region) RealFrom ¶

func (r Region) RealFrom() int

RealFrom return region's real from

func (Region) RealTo ¶

func (r Region) RealTo() int

RealTo return real's real to

func (Region) Size ¶

func (r Region) Size() int

Returns the size of the region

func (Region) String ¶

func (r Region) String() string

String return region's real (from,to)

Source Files ¶

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