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## igeo
Class IVec2f

    java.lang.Object
      igeo.IParameterObject
          igeo.IVec2f

All Implemented Interfaces:
  IParameter, ISubobject, IVal, IVec2I, IVec2Op

    public class IVec2f

extends IParameterObject
implements IVec2I

Class of 2 dimensional vector in float.

Author:
  Satoru Sugihara

Field Summary
`float` | `x`
`float` | `y`

Fields inherited from class igeo.IParameterObject
`parent`

Constructor Summary
`IVec2f()`
`IVec2f(double x, double y)`
`IVec2f(float x, float y)`
`IVec2f(IDoubleI x, IDoubleI y)`
`IVec2f(IServerI s)`
`IVec2f(IServerI s, double x, double y)`
`IVec2f(IServerI s, float x, float y)`
`IVec2f(IServerI s, IDoubleI x, IDoubleI y)`
`IVec2f(IServerI s, IVec2 v)`
`IVec2f(IServerI s, IVec2f v)`
`IVec2f(IServerI s, IVec2I v)`
`IVec2f(IVec2 v)`
`IVec2f(IVec2f v)`
`IVec2f(IVec2I v)`

Method Summary
`IVec2f` | `add(double x, double y)`
`IVec2f` | `add(double f, IVec2I v)` scale add; alias
`IVec2f` | `add(float x, float y)`
`IVec2f` | `add(float f, IVec2f v)` scale add; alias
`IVec2f` | `add(IDoubleI x, IDoubleI y)`
`IVec2f` | `add(IDoubleI f, IVec2I v)` scale add; alias
`IVec2f` | `add(IVec2 v)`
`IVec2f` | `add(IVec2f v)`
`IVec2f` | `add(IVec2f v, float f)` scale add
`IVec2f` | `add(IVec2I v)`
`IVec2f` | `add(IVec2I v, double f)` scale add
`IVec2f` | `add(IVec2I v, IDoubleI f)` scale add
`double` | `angle(double vx, double vy)` angle between two vectors
`float` | `angle(float vx, float vy)`
`double` | `angle(ISwitchE e, IVec2I v)` angle between two vectors
`IDouble` | `angle(ISwitchR r, IVec2I v)` angle between two vectors
`double` | `angle(IVec2 v)`
`float` | `angle(IVec2f v)`
`double` | `angle(IVec2I v)` angle between two vectors
`IVec2f` | `bisect(double vx, double vy)` create a new instance of bisector
`IVec2f` | `bisect(IVec2 v)`
`IVec2f` | `bisect(IVec2f v)`
`IVec2f` | `bisect(IVec2I v)` create a new instance of bisector
`IVec2f` | `cp()` cp() is alias of dup()
`IVec2f` | `cp(double x, double y)` cp() is alias of dup().add()
`IVec2f` | `cp(float x, float y)` cp() is alias of dup().add()
`IVec2f` | `cp(IDoubleI x, IDoubleI y)` cp() is alias of dup().add()
`IVec2f` | `cp(IVec2f v)` cp() is alias of dup().add()
`IVec2f` | `cp(IVec2I v)` cp() is alias of dup().add()
`IVec` | `cross(double vx, double vy)` cross product, returning 3D vector
`IVec` | `cross(float vx, float vy)`
`IVec` | `cross(IVec2 v)`
`IVec` | `cross(IVec2f v)`
`IVec` | `cross(IVec2I v)` cross product, returning 3D vector
`IVec2f` | `dif(double vx, double vy)` create a new instance of difference
`IVec2f` | `dif(float vx, float vy)`
`IVec2f` | `dif(IVec2f v)`
`IVec2f` | `dif(IVec2I v)` create a new instance of difference
`IVec2f` | `diff(double vx, double vy)` alias of dif
`IVec2f` | `diff(float vx, float vy)`
`IVec2f` | `diff(IVec2f v)`
`IVec2f` | `diff(IVec2I v)` alias of dif
`double` | `dist(double vx, double vy)` distance
`double` | `dist(float vx, float vy)`
`double` | `dist(ISwitchE e, IVec2I v)` distance
`IDouble` | `dist(ISwitchR r, IVec2I v)` distance
`double` | `dist(IVec2 v)`
`double` | `dist(IVec2f v)`
`double` | `dist(IVec2I v)` distance
`double` | `dist2(double vx, double vy)` squared distance
`float` | `dist2(float vx, float vy)`
`double` | `dist2(ISwitchE e, IVec2I v)` squared distance
`IDouble` | `dist2(ISwitchR r, IVec2I v)` squared distance
`double` | `dist2(IVec2 v)`
`float` | `dist2(IVec2f v)`
`double` | `dist2(IVec2I v)` squared distance
`IVec2f` | `div(double x)`
`IVec2f` | `div(float x)`
`IVec2f` | `div(IDoubleI v)`
`double` | `dot(double vx, double vy)` dot product
`float` | `dot(float vx, float vy)`
`double` | `dot(ISwitchE e, IVec2I v)` dot product
`IDouble` | `dot(ISwitchR r, IVec2I v)` dot product
`double` | `dot(IVec2 v)`
`float` | `dot(IVec2f v)`
`double` | `dot(IVec2I v)` dot product
`IVec2f` | `dup()`
`boolean` | `eq(double vx, double vy)` whether location is same or not
`boolean` | `eq(double vx, double vy, double tolerance)` whether location is same or not with tolerance
`boolean` | `eq(float vx, float vy)`
`boolean` | `eq(float vx, float vy, double tolerance)`
`boolean` | `eq(ISwitchE e, IVec2I v)` whether location is same or not
`boolean` | `eq(ISwitchE e, IVec2I v, double tolerance)` whether location is same or not with tolerance
`IBool` | `eq(ISwitchR r, IVec2I v)` whether location is same or not
`IBool` | `eq(ISwitchR r, IVec2I v, IDoubleI tolerance)` whether location is same or not with tolerance
`boolean` | `eq(IVec2 v)`
`boolean` | `eq(IVec2 v, double tolerance)`
`boolean` | `eq(IVec2f v)`
`boolean` | `eq(IVec2f v, double tolerance)`
`boolean` | `eq(IVec2I v)` whether location is same or not
`boolean` | `eq(IVec2I v, double tolerance)` whether location is same or not with tolerance
`boolean` | `eqX(double vx)` check if X is same
`boolean` | `eqX(double vx, double tolerance)` check if X is same within tolerance
`boolean` | `eqX(float vx)`
`boolean` | `eqX(float vx, double tolerance)`
`boolean` | `eqX(ISwitchE e, IVec2I v)` check if X is same
`boolean` | `eqX(ISwitchE e, IVec2I v, double tolerance)` check if X is same within tolerance
`IBool` | `eqX(ISwitchR r, IVec2I v)` check if X is same
`IBool` | `eqX(ISwitchR r, IVec2I v, IDoubleI tolerance)` check if X is same within tolerance
`boolean` | `eqX(IVec2 v)`
`boolean` | `eqX(IVec2 v, double tolerance)`
`boolean` | `eqX(IVec2f v)`
`boolean` | `eqX(IVec2f v, double tolerance)`
`boolean` | `eqX(IVec2I v)` check if X is same
`boolean` | `eqX(IVec2I v, double tolerance)` check if X is same within tolerance
`boolean` | `eqY(double vy)` check if Y is same
`boolean` | `eqY(double vy, double tolerance)` check if Y is same within tolerance
`boolean` | `eqY(float vy)`
`boolean` | `eqY(float vy, double tolerance)`
`boolean` | `eqY(ISwitchE e, IVec2I v)` check if Y is same
`boolean` | `eqY(ISwitchE e, IVec2I v, double tolerance)` check if Y is same within tolerance
`IBool` | `eqY(ISwitchR r, IVec2I v)` check if Y is same
`IBool` | `eqY(ISwitchR r, IVec2I v, IDoubleI tolerance)` check if Y is same within tolerance
`boolean` | `eqY(IVec2 v)`
`boolean` | `eqY(IVec2 v, double tolerance)`
`boolean` | `eqY(IVec2f v)`
`boolean` | `eqY(IVec2f v, double tolerance)`
`boolean` | `eqY(IVec2I v)` check if Y is same
`boolean` | `eqY(IVec2I v, double tolerance)` check if Y is same within tolerance
`IVec2f` | `flip()` alias of neg
`IVec2` | `get()`
`IDouble` | `getX()`
`IDouble` | `getY()`
`boolean` | `isValid()` checking x, y is valid number (not Infinite, nor NaN).
`double` | `len()` getting length
`IVec2f` | `len(double l)` setting length
`IVec2f` | `len(float l)`
`IVec2f` | `len(IDoubleI l)` setting length
`double` | `len(ISwitchE e)` getting length
`IDouble` | `len(ISwitchR r)` getting length
`double` | `len2()` getting squared length
`double` | `len2(ISwitchE e)` getting squared length
`IDouble` | `len2(ISwitchR r)` getting squared length
`IVec2f` | `mid(double vx, double vy)` create a new instance of midpoint
`IVec2f` | `mid(float vx, float vy)`
`IVec2f` | `mid(IVec2f v)`
`IVec2f` | `mid(IVec2I v)` create a new instance of midpoint
`IVec2f` | `mirror(double lineX, double lineY)` reflect (mirror) 2 dimensionally to the other side of the line
`IVec2f` | `mirror(double linePtX, double linePtY, double lineDirX, double lineDirY)` reflect (mirror) 2 dimensionally to the other side of the line at a center
`IVec2f` | `mirror(float lineX, float lineY)`
`IVec2f` | `mirror(float linePtX, float linePtY, float lineDirX, float lineDirY)`
`IVec2f` | `mirror(IVec2 lineDir)`
`IVec2f` | `mirror(IVec2f lineDir)`
`IVec2f` | `mirror(IVec2f linePt, IVec2f lineDir)`
`IVec2f` | `mirror(IVec2I lineDir)` reflect (mirror) 2 dimensionally to the other side of the line
`IVec2f` | `mirror(IVec2I linePt, IVec2I lineDir)` reflect (mirror) 2 dimensionally to the other side of the line at a center
`IVec2f` | `mirror(IVec2 linePt, IVec2 lineDir)`
`IVec2f` | `mul(double x)`
`IVec2f` | `mul(float x)`
`IVec2f` | `mul(IDoubleI v)`
`IVec2f` | `mv(double x, double y)` mv() is alias of add()
`IVec2f` | `mv(float x, float y)` mv() is alias of add()
`IVec2f` | `mv(IDoubleI x, IDoubleI y)` mv() is alias of add()
`IVec2f` | `mv(IVec2f v)` mv() is alias of add()
`IVec2f` | `mv(IVec2I v)` mv() is alias of add()
`IVec2f` | `neg()`
`IVec` | `nml(double vx, double vy)` alias of cross
`IVec` | `nml(double vx1, double vy1, double vx2, double vy2)` create normal vector from 3 points of self, pt1 and pt2
`IVec` | `nml(float vx, float vy)` alias of cross
`IVec` | `nml(float vx1, float vy1, float vx2, float vy2)` create normal vector from 3 points of self, pt1 and pt2
`IVec` | `nml(IVec2I v)` alias of cross
`IVec` | `nml(IVec2I pt1, IVec2I pt2)` create normal vector from 3 points of self, pt1 and pt2
`IVec2f` | `ortho()` rotate vector in Pi/2
`IVec2f` | `ref(double lineX, double lineY)` reflect (mirror) 2 dimensionally to the other side of the line
`IVec2f` | `ref(double linePtX, double linePtY, double lineDirX, double lineDirY)` reflect (mirror) 2 dimensionally to the other side of the line at a center
`IVec2f` | `ref(float lineX, float lineY)`
`IVec2f` | `ref(float linePtX, float linePtY, float lineDirX, float lineDirY)`
`IVec2f` | `ref(IVec2 lineDir)`
`IVec2f` | `ref(IVec2f lineDir)` reflect (mirror) 2 dimensionally to the other side of the line
`IVec2f` | `ref(IVec2f linePt, IVec2f lineDir)`
`IVec2f` | `ref(IVec2I lineDir)` reflect (mirror) 2 dimensionally to the other side of the line
`IVec2f` | `ref(IVec2I linePt, IVec2I lineDir)` reflect (mirror) 2 dimensionally to the other side of the line at a center
`IVec2f` | `ref(IVec2 linePt, IVec2 lineDir)`
`IVec2f` | `rev()` alias of neg
`IVec2f` | `rot(double angle)` rotation
`IVec2f` | `rot(double centerX, double centerY, double angle)` rotation around a center
`IVec2f` | `rot(float angle)`
`IVec2f` | `rot(float centerX, float centerY, float angle)`
`IVec2f` | `rot(IDoubleI angle)` rotation
`IVec2f` | `rot(IVec2 destDir)`
`IVec2f` | `rot(IVec2 center, double angle)`
`IVec2f` | `rot(IVec2f destDir)`
`IVec2f` | `rot(IVec2f center, double angle)`
`IVec2f` | `rot(IVec2f center, IVec2f destPt)`
`IVec2f` | `rot(IVec2I destDir)` rotate towards destination direction
`IVec2f` | `rot(IVec2I center, double angle)` rotation around a center
`IVec2f` | `rot(IVec2I center, IDoubleI angle)` rotation around a center
`IVec2f` | `rot(IVec2I center, IVec2I destPt)` rotate around a center towards destination point
`IVec2f` | `rot(IVec2 center, IVec2 destPt)`
`IVec2f` | `scale(double f)` alias of mul
`IVec2f` | `scale(double centerX, double centerY, double f)` scale from a center
`IVec2f` | `scale(float f)`
`IVec2f` | `scale(float centerX, float centerY, float f)`
`IVec2f` | `scale(IDoubleI f)` alias of mul
`IVec2f` | `scale(IVec2 center, double f)`
`IVec2f` | `scale(IVec2f center, double f)`
`IVec2f` | `scale(IVec2I center, double f)` scale from a center
`IVec2f` | `scale(IVec2I center, IDoubleI f)` scale from a center
`IVec2f` | `scale1d(double axisX, double axisY, double f)` scale only in 1 direction
`IVec2f` | `scale1d(double centerX, double centerY, double axisX, double axisY, double f)` scale only in 1 direction from a center
`IVec2f` | `scale1d(float axisX, float axisY, float f)` scale only in 1 direction
`IVec2f` | `scale1d(float centerX, float centerY, float axisX, float axisY, float f)` scale only in 1 direction from a center
`IVec2f` | `scale1d(IVec2 axis, double f)` scale only in 1 direction
`IVec2f` | `scale1d(IVec2f axis, float f)` scale only in 1 direction
`IVec2f` | `scale1d(IVec2f center, IVec2f axis, double f)` scale only in 1 direction from a center
`IVec2f` | `scale1d(IVec2I axis, double f)` scale only in 1 direction
`IVec2f` | `scale1d(IVec2I axis, IDoubleI f)` scale only in 1 direction
`IVec2f` | `scale1d(IVec2I center, IVec2I axis, double f)` scale only in 1 direction from a center
`IVec2f` | `scale1d(IVec2I center, IVec2I axis, IDoubleI f)` scale only in 1 direction from a center
`IVec2f` | `set(double x, double y)`
`IVec2f` | `set(float x, float y)`
`IVec2f` | `set(IDoubleI x, IDoubleI y)`
`IVec2f` | `set(IVec2 v)`
`IVec2f` | `set(IVec2f v)`
`IVec2f` | `set(IVec2I v)`
`IVec2f` | `shear(double sxy, double syx)` shear operation on XY
`IVec2f` | `shear(float sxy, float syx)` shear operation on XY
`IVec2f` | `shear(IDoubleI sxy, IDoubleI syx)` shear operation on XY
`IVec2f` | `shear(IVec2f center, float sxy, float syx)` shear operation on XY
`IVec2f` | `shear(IVec2I center, double sxy, double syx)` shear operation on XY
`IVec2f` | `shear(IVec2I center, IDoubleI sxy, IDoubleI syx)` shear operation on XY
`IVec2f` | `sub(double x, double y)`
`IVec2f` | `sub(float x, float y)`
`IVec2f` | `sub(IDoubleI x, IDoubleI y)`
`IVec2f` | `sub(IVec2 v)`
`IVec2f` | `sub(IVec2f v)`
`IVec2f` | `sub(IVec2I v)`
`IVec2f` | `sum(double vx, double vy)` create a new instance of summation
`IVec2f` | `sum(float vx, float vy)`
`IVec2f` | `sum(IVec2 v2, double w2)`
`IVec2f` | `sum(IVec2 v2, double w1, double w2)`
`IVec2f` | `sum(IVec2f v)`
`IVec2f` | `sum(IVec2f v2, double w2)`
`IVec2f` | `sum(IVec2f v2, double w1, double w2)` weighted sum
`IVec2f` | `sum(IVec2I... v)` create a new instance of summation
`IVec2f` | `sum(IVec2I v)` create a new instance of summation
`IVec2f` | `sum(IVec2I v2, double w2)` create a new instance of weighted sum
`IVec2f` | `sum(IVec2I v2, double w1, double w2)` create a new instance of weighted sum
`IVec2f` | `sum(IVec2I v2, IDoubleI w2)` create a new instance of weighted sum
`IVec2f` | `sum(IVec2I v2, IDoubleI w1, IDoubleI w2)` create a new instance of weighted sum
`IVec` | `to3d()`
`IVec` | `to3d(double z)`
`IVec` | `to3d(IDoubleI z)`
`IVec4` | `to4d()`
`IVec4` | `to4d(double z, double w)`
`IVec4` | `to4d(IDoubleI z, IDoubleI w)`
`IVec2f` | `transform(IMatrix2I mat)` transform with 2x2 transform matrix
`IVec2f` | `transform(IMatrix3I mat)` transform with 3x3 transform matrix
`IVec2f` | `transform(IVec2f xvec, IVec2f yvec)`
`IVec2f` | `transform(IVec2f xvec, IVec2f yvec, IVec2f translate)`
`IVec2f` | `transform(IVec2I xvec, IVec2I yvec)` transform with transform vectors
`IVec2f` | `transform(IVec2I xvec, IVec2I yvec, IVec2I translate)` transform with transform vectors
`IVec2f` | `transform(IVec2 xvec, IVec2 yvec)`
`IVec2f` | `transform(IVec2 xvec, IVec2 yvec, IVec2 translate)`
`IVec2f` | `translate(double x, double y)` alias of add()
`IVec2f` | `translate(float x, float y)` alias of add()
`IVec2f` | `translate(IDoubleI x, IDoubleI y)` alias of add()
`IVec2f` | `translate(IVec2f v)` alias of add()
`IVec2f` | `translate(IVec2I v)` alias of add()
`IVec2f` | `unit()` normalize (unitize) vector
`double` | `x()`
`IVec2f` | `x(double vx)` setting x component
`IVec2f` | `x(float vx)` setting x component
`IVec2f` | `x(IDoubleI vx)` setting x component
`double` | `x(ISwitchE e)` getting x component
`IDouble` | `x(ISwitchR r)` getting x component
`double` | `y()`
`IVec2f` | `y(double vy)` setting y component
`IVec2f` | `y(float vy)` setting y component
`IVec2f` | `y(IDoubleI vy)` setting y component
`double` | `y(ISwitchE e)` getting y component
`IDouble` | `y(ISwitchR r)` getting y component
`IVec2f` | `zero()` setting all zero

Methods inherited from class igeo.IParameterObject
`createObject, parent, parent`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### x

    public float x

### y

    public float y

Constructor Detail

### IVec2f

    public IVec2f()

### IVec2f

    public IVec2f(float x,
                  float y)

### IVec2f

    public IVec2f(double x,
                  double y)

### IVec2f

    public IVec2f(IVec2f v)

### IVec2f

    public IVec2f(IVec2 v)

### IVec2f

    public IVec2f(IVec2I v)

### IVec2f

    public IVec2f(IDoubleI x,
                  IDoubleI y)

### IVec2f

    public IVec2f(IServerI s)

### IVec2f

    public IVec2f(IServerI s,
                  float x,
                  float y)

### IVec2f

    public IVec2f(IServerI s,
                  double x,
                  double y)

### IVec2f

    public IVec2f(IServerI s,
                  IVec2f v)

### IVec2f

    public IVec2f(IServerI s,
                  IVec2 v)

### IVec2f

    public IVec2f(IServerI s,
                  IVec2I v)

### IVec2f

    public IVec2f(IServerI s,
                  IDoubleI x,
                  IDoubleI y)

Method Detail

### x

    public double x()

  Specified by:
    `x` in interface `IVec2I`

### y

    public double y()

  Specified by:
    `y` in interface `IVec2I`

### x

    public IVec2f x(double vx)

  setting x component

  Specified by:
    `x` in interface `IVec2I`

### y

    public IVec2f y(double vy)

  setting y component

  Specified by:
    `y` in interface `IVec2I`

### x

    public IVec2f x(float vx)

  setting x component

### y

    public IVec2f y(float vy)

  setting y component

### x

    public IVec2f x(IDoubleI vx)

  setting x component

  Specified by:
    `x` in interface `IVec2I`

### y

    public IVec2f y(IDoubleI vy)

  setting y component

  Specified by:
    `y` in interface `IVec2I`

### x

    public double x(ISwitchE e)

  getting x component

  Specified by:
    `x` in interface `IVec2I`

### y

    public double y(ISwitchE e)

  getting y component

  Specified by:
    `y` in interface `IVec2I`

### x

    public IDouble x(ISwitchR r)

  getting x component

  Specified by:
    `x` in interface `IVec2I`

### y

    public IDouble y(ISwitchR r)

  getting y component

  Specified by:
    `y` in interface `IVec2I`

### get

    public IVec2 get()

  Specified by:
    `get` in interface `IParameter`
  Specified by:
    `get` in interface `IVec2I`
  Specified by:
    `get` in interface `IVec2Op`

### dup

    public IVec2f dup()

  Specified by:
    `dup` in interface `IVec2I`

### to3d

    public IVec to3d()

  Specified by:
    `to3d` in interface `IVec2I`

### to3d

    public IVec to3d(double z)

  Specified by:
    `to3d` in interface `IVec2I`

### to3d

    public IVec to3d(IDoubleI z)

  Specified by:
    `to3d` in interface `IVec2I`

### to4d

    public IVec4 to4d()

  Specified by:
    `to4d` in interface `IVec2I`

### to4d

    public IVec4 to4d(double z,
                      double w)

  Specified by:
    `to4d` in interface `IVec2I`

### to4d

    public IVec4 to4d(IDoubleI z,
                      IDoubleI w)

  Specified by:
    `to4d` in interface `IVec2I`

### getX

    public IDouble getX()

  Specified by:
    `getX` in interface `IVec2I`

### getY

    public IDouble getY()

  Specified by:
    `getY` in interface `IVec2I`

### set

    public IVec2f set(float x,
                      float y)

### set

    public IVec2f set(double x,
                      double y)

  Specified by:
    `set` in interface `IVec2I`

### set

    public IVec2f set(IVec2f v)

### set

    public IVec2f set(IVec2 v)

### set

    public IVec2f set(IVec2I v)

  Specified by:
    `set` in interface `IVec2I`

### set

    public IVec2f set(IDoubleI x,
                      IDoubleI y)

  Specified by:
    `set` in interface `IVec2I`

### add

    public IVec2f add(float x,
                      float y)

### add

    public IVec2f add(double x,
                      double y)

  Specified by:
    `add` in interface `IVec2I`

### add

    public IVec2f add(IDoubleI x,
                      IDoubleI y)

  Specified by:
    `add` in interface `IVec2I`

### add

    public IVec2f add(IVec2f v)

### add

    public IVec2f add(IVec2 v)

### add

    public IVec2f add(IVec2I v)

  Specified by:
    `add` in interface `IVec2I`

### sub

    public IVec2f sub(float x,
                      float y)

### sub

    public IVec2f sub(double x,
                      double y)

  Specified by:
    `sub` in interface `IVec2I`

### sub

    public IVec2f sub(IDoubleI x,
                      IDoubleI y)

  Specified by:
    `sub` in interface `IVec2I`

### sub

    public IVec2f sub(IVec2f v)

### sub

    public IVec2f sub(IVec2 v)

### sub

    public IVec2f sub(IVec2I v)

  Specified by:
    `sub` in interface `IVec2I`

### mul

    public IVec2f mul(float x)

### mul

    public IVec2f mul(double x)

  Specified by:
    `mul` in interface `IVec2I`

### mul

    public IVec2f mul(IDoubleI v)

  Specified by:
    `mul` in interface `IVec2I`

### div

    public IVec2f div(float x)

### div

    public IVec2f div(double x)

  Specified by:
    `div` in interface `IVec2I`

### div

    public IVec2f div(IDoubleI v)

  Specified by:
    `div` in interface `IVec2I`

### neg

    public IVec2f neg()

  Specified by:
    `neg` in interface `IVec2I`

### rev

    public IVec2f rev()

  Description copied from interface: `IVec2I`
  alias of neg

  Specified by:
    `rev` in interface `IVec2I`

### flip

    public IVec2f flip()

  Description copied from interface: `IVec2I`
  alias of neg

  Specified by:
    `flip` in interface `IVec2I`

### zero

    public IVec2f zero()

  Description copied from interface: `IVec2I`
  setting all zero

  Specified by:
    `zero` in interface `IVec2I`

### add

    public IVec2f add(IVec2f v,
                      float f)

  scale add

### add

    public IVec2f add(IVec2I v,
                      double f)

  Description copied from interface: `IVec2I`
  scale add

  Specified by:
    `add` in interface `IVec2I`

### add

    public IVec2f add(IVec2I v,
                      IDoubleI f)

  Description copied from interface: `IVec2I`
  scale add

  Specified by:
    `add` in interface `IVec2I`

### add

    public IVec2f add(float f,
                      IVec2f v)

  scale add; alias

### add

    public IVec2f add(double f,
                      IVec2I v)

  Description copied from interface: `IVec2I`
  scale add; alias

  Specified by:
    `add` in interface `IVec2I`

### add

    public IVec2f add(IDoubleI f,
                      IVec2I v)

  Description copied from interface: `IVec2I`
  scale add; alias

  Specified by:
    `add` in interface `IVec2I`

### dot

    public float dot(IVec2f v)

  Returns:
    dot product in double

### dot

    public double dot(IVec2 v)

### dot

    public double dot(double vx,
                      double vy)

  Description copied from interface: `IVec2I`
  dot product

  Specified by:
    `dot` in interface `IVec2I`

### dot

    public float dot(float vx,
                     float vy)

### dot

    public double dot(IVec2I v)

  Description copied from interface: `IVec2I`
  dot product

  Specified by:
    `dot` in interface `IVec2I`

### dot

    public double dot(ISwitchE e,
                      IVec2I v)

  Description copied from interface: `IVec2I`
  dot product

  Specified by:
    `dot` in interface `IVec2I`

### dot

    public IDouble dot(ISwitchR r,
                       IVec2I v)

  Description copied from interface: `IVec2I`
  dot product

  Specified by:
    `dot` in interface `IVec2I`

### cross

    public IVec cross(IVec2f v)

  Returns:
    cross product in z direction

### cross

    public IVec cross(IVec2 v)

### cross

    public IVec cross(IVec2I v)

  Description copied from interface: `IVec2I`
  cross product, returning 3D vector

  Specified by:
    `cross` in interface `IVec2I`

### cross

    public IVec cross(double vx,
                      double vy)

  Description copied from interface: `IVec2I`
  cross product, returning 3D vector

  Specified by:
    `cross` in interface `IVec2I`

### cross

    public IVec cross(float vx,
                      float vy)

### len

    public double len()

  Description copied from interface: `IVec2I`
  getting length

  Specified by:
    `len` in interface `IVec2I`
  Returns:
    length (norm) of the vector in double

### len

    public double len(ISwitchE e)

  Description copied from interface: `IVec2I`
  getting length

  Specified by:
    `len` in interface `IVec2I`

### len

    public IDouble len(ISwitchR r)

  Description copied from interface: `IVec2I`
  getting length

  Specified by:
    `len` in interface `IVec2I`

### len2

    public double len2()

  Description copied from interface: `IVec2I`
  getting squared length

  Specified by:
    `len2` in interface `IVec2I`
  Returns:
    squared length of the vector in double

### len2

    public double len2(ISwitchE e)

  Description copied from interface: `IVec2I`
  getting squared length

  Specified by:
    `len2` in interface `IVec2I`

### len2

    public IDouble len2(ISwitchR r)

  Description copied from interface: `IVec2I`
  getting squared length

  Specified by:
    `len2` in interface `IVec2I`

### len

    public IVec2f len(IDoubleI l)

  Description copied from interface: `IVec2I`
  setting length

  Specified by:
    `len` in interface `IVec2I`

### len

    public IVec2f len(double l)

  Description copied from interface: `IVec2I`
  setting length

  Specified by:
    `len` in interface `IVec2I`

### len

    public IVec2f len(float l)

### unit

    public IVec2f unit()

  normalize (unitize) vector

  Specified by:
    `unit` in interface `IVec2I`

### ortho

    public IVec2f ortho()

  rotate vector in Pi/2

  Specified by:
    `ortho` in interface `IVec2I`

### dist

    public double dist(IVec2I v)

  Description copied from interface: `IVec2I`
  distance

  Specified by:
    `dist` in interface `IVec2I`

### dist

    public double dist(IVec2 v)

### dist

    public double dist(IVec2f v)

### dist

    public double dist(double vx,
                       double vy)

  Description copied from interface: `IVec2I`
  distance

  Specified by:
    `dist` in interface `IVec2I`

### dist

    public double dist(float vx,
                       float vy)

### dist

    public double dist(ISwitchE e,
                       IVec2I v)

  Description copied from interface: `IVec2I`
  distance

  Specified by:
    `dist` in interface `IVec2I`

### dist

    public IDouble dist(ISwitchR r,
                        IVec2I v)

  Description copied from interface: `IVec2I`
  distance

  Specified by:
    `dist` in interface `IVec2I`

### dist2

    public double dist2(IVec2I v)

  Description copied from interface: `IVec2I`
  squared distance

  Specified by:
    `dist2` in interface `IVec2I`

### dist2

    public double dist2(IVec2 v)

### dist2

    public float dist2(IVec2f v)

### dist2

    public double dist2(double vx,
                        double vy)

  Description copied from interface: `IVec2I`
  squared distance

  Specified by:
    `dist2` in interface `IVec2I`

### dist2

    public float dist2(float vx,
                       float vy)

### dist2

    public double dist2(ISwitchE e,
                        IVec2I v)

  Description copied from interface: `IVec2I`
  squared distance

  Specified by:
    `dist2` in interface `IVec2I`

### dist2

    public IDouble dist2(ISwitchR r,
                         IVec2I v)

  Description copied from interface: `IVec2I`
  squared distance

  Specified by:
    `dist2` in interface `IVec2I`

### eq

    public boolean eq(IVec2I v)

  Description copied from interface: `IVec2I`
  whether location is same or not

  Specified by:
    `eq` in interface `IVec2I`

### eq

    public boolean eq(IVec2 v)

### eq

    public boolean eq(IVec2f v)

### eq

    public boolean eq(double vx,
                      double vy)

  Description copied from interface: `IVec2I`
  whether location is same or not

  Specified by:
    `eq` in interface `IVec2I`

### eq

    public boolean eq(float vx,
                      float vy)

### eq

    public boolean eq(ISwitchE e,
                      IVec2I v)

  Description copied from interface: `IVec2I`
  whether location is same or not

  Specified by:
    `eq` in interface `IVec2I`

### eq

    public IBool eq(ISwitchR r,
                    IVec2I v)

  Description copied from interface: `IVec2I`
  whether location is same or not

  Specified by:
    `eq` in interface `IVec2I`

### eq

    public boolean eq(IVec2I v,
                      double tolerance)

  Description copied from interface: `IVec2I`
  whether location is same or not with tolerance

  Specified by:
    `eq` in interface `IVec2I`

### eq

    public boolean eq(IVec2 v,
                      double tolerance)

### eq

    public boolean eq(IVec2f v,
                      double tolerance)

### eq

    public boolean eq(double vx,
                      double vy,
                      double tolerance)

  Description copied from interface: `IVec2I`
  whether location is same or not with tolerance

  Specified by:
    `eq` in interface `IVec2I`

### eq

    public boolean eq(float vx,
                      float vy,
                      double tolerance)

### eq

    public boolean eq(ISwitchE e,
                      IVec2I v,
                      double tolerance)

  Description copied from interface: `IVec2I`
  whether location is same or not with tolerance

  Specified by:
    `eq` in interface `IVec2I`

### eq

    public IBool eq(ISwitchR r,
                    IVec2I v,
                    IDoubleI tolerance)

  Description copied from interface: `IVec2I`
  whether location is same or not with tolerance

  Specified by:
    `eq` in interface `IVec2I`

### eqX

    public boolean eqX(IVec2f v)

### eqY

    public boolean eqY(IVec2f v)

### eqX

    public boolean eqX(IVec2 v)

### eqY

    public boolean eqY(IVec2 v)

### eqX

    public boolean eqX(double vx)

  Description copied from interface: `IVec2I`
  check if X is same

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public boolean eqY(double vy)

  Description copied from interface: `IVec2I`
  check if Y is same

  Specified by:
    `eqY` in interface `IVec2I`

### eqX

    public boolean eqX(float vx)

### eqY

    public boolean eqY(float vy)

### eqX

    public boolean eqX(IVec2I v)

  Description copied from interface: `IVec2I`
  check if X is same

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public boolean eqY(IVec2I v)

  Description copied from interface: `IVec2I`
  check if Y is same

  Specified by:
    `eqY` in interface `IVec2I`

### eqX

    public boolean eqX(ISwitchE e,
                       IVec2I v)

  Description copied from interface: `IVec2I`
  check if X is same

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public boolean eqY(ISwitchE e,
                       IVec2I v)

  Description copied from interface: `IVec2I`
  check if Y is same

  Specified by:
    `eqY` in interface `IVec2I`

### eqX

    public IBool eqX(ISwitchR r,
                     IVec2I v)

  Description copied from interface: `IVec2I`
  check if X is same

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public IBool eqY(ISwitchR r,
                     IVec2I v)

  Description copied from interface: `IVec2I`
  check if Y is same

  Specified by:
    `eqY` in interface `IVec2I`

### eqX

    public boolean eqX(IVec2f v,
                       double tolerance)

### eqY

    public boolean eqY(IVec2f v,
                       double tolerance)

### eqX

    public boolean eqX(IVec2 v,
                       double tolerance)

### eqY

    public boolean eqY(IVec2 v,
                       double tolerance)

### eqX

    public boolean eqX(double vx,
                       double tolerance)

  Description copied from interface: `IVec2I`
  check if X is same within tolerance

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public boolean eqY(double vy,
                       double tolerance)

  Description copied from interface: `IVec2I`
  check if Y is same within tolerance

  Specified by:
    `eqY` in interface `IVec2I`

### eqX

    public boolean eqX(float vx,
                       double tolerance)

### eqY

    public boolean eqY(float vy,
                       double tolerance)

### eqX

    public boolean eqX(IVec2I v,
                       double tolerance)

  Description copied from interface: `IVec2I`
  check if X is same within tolerance

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public boolean eqY(IVec2I v,
                       double tolerance)

  Description copied from interface: `IVec2I`
  check if Y is same within tolerance

  Specified by:
    `eqY` in interface `IVec2I`

### eqX

    public boolean eqX(ISwitchE e,
                       IVec2I v,
                       double tolerance)

  Description copied from interface: `IVec2I`
  check if X is same within tolerance

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public boolean eqY(ISwitchE e,
                       IVec2I v,
                       double tolerance)

  Description copied from interface: `IVec2I`
  check if Y is same within tolerance

  Specified by:
    `eqY` in interface `IVec2I`

### eqX

    public IBool eqX(ISwitchR r,
                     IVec2I v,
                     IDoubleI tolerance)

  Description copied from interface: `IVec2I`
  check if X is same within tolerance

  Specified by:
    `eqX` in interface `IVec2I`

### eqY

    public IBool eqY(ISwitchR r,
                     IVec2I v,
                     IDoubleI tolerance)

  Description copied from interface: `IVec2I`
  check if Y is same within tolerance

  Specified by:
    `eqY` in interface `IVec2I`

### angle

    public double angle(IVec2 v)

  Returns:
    angle of two vector. From -Pi to Pi. Sign follows right-handed screw rule

### angle

    public float angle(IVec2f v)

### angle

    public double angle(double vx,
                        double vy)

  Description copied from interface: `IVec2I`
  angle between two vectors

  Specified by:
    `angle` in interface `IVec2I`

### angle

    public float angle(float vx,
                       float vy)

### angle

    public double angle(IVec2I v)

  Description copied from interface: `IVec2I`
  angle between two vectors

  Specified by:
    `angle` in interface `IVec2I`

### angle

    public double angle(ISwitchE e,
                        IVec2I v)

  Description copied from interface: `IVec2I`
  angle between two vectors

  Specified by:
    `angle` in interface `IVec2I`

### angle

    public IDouble angle(ISwitchR r,
                         IVec2I v)

  Description copied from interface: `IVec2I`
  angle between two vectors

  Specified by:
    `angle` in interface `IVec2I`

### rot

    public IVec2f rot(double angle)

  Description copied from interface: `IVec2I`
  rotation

  Specified by:
    `rot` in interface `IVec2I`

### rot

    public IVec2f rot(float angle)

### rot

    public IVec2f rot(IDoubleI angle)

  Description copied from interface: `IVec2I`
  rotation

  Specified by:
    `rot` in interface `IVec2I`

### rot

    public IVec2f rot(IVec2f center,
                      double angle)

### rot

    public IVec2f rot(IVec2 center,
                      double angle)

### rot

    public IVec2f rot(double centerX,
                      double centerY,
                      double angle)

  Description copied from interface: `IVec2I`
  rotation around a center

  Specified by:
    `rot` in interface `IVec2I`

### rot

    public IVec2f rot(float centerX,
                      float centerY,
                      float angle)

### rot

    public IVec2f rot(IVec2I center,
                      double angle)

  Description copied from interface: `IVec2I`
  rotation around a center

  Specified by:
    `rot` in interface `IVec2I`

### rot

    public IVec2f rot(IVec2I center,
                      IDoubleI angle)

  Description copied from interface: `IVec2I`
  rotation around a center

  Specified by:
    `rot` in interface `IVec2I`

### rot

    public IVec2f rot(IVec2f destDir)

### rot

    public IVec2f rot(IVec2 destDir)

### rot

    public IVec2f rot(IVec2I destDir)

  Description copied from interface: `IVec2I`
  rotate towards destination direction

  Specified by:
    `rot` in interface `IVec2I`

### rot

    public IVec2f rot(IVec2f center,
                      IVec2f destPt)

### rot

    public IVec2f rot(IVec2 center,
                      IVec2 destPt)

### rot

    public IVec2f rot(IVec2I center,
                      IVec2I destPt)

  Description copied from interface: `IVec2I`
  rotate around a center towards destination point

  Specified by:
    `rot` in interface `IVec2I`

### scale

    public IVec2f scale(double f)

  Description copied from interface: `IVec2I`
  alias of mul

  Specified by:
    `scale` in interface `IVec2I`

### scale

    public IVec2f scale(float f)

### scale

    public IVec2f scale(IDoubleI f)

  Description copied from interface: `IVec2I`
  alias of mul

  Specified by:
    `scale` in interface `IVec2I`

### scale

    public IVec2f scale(IVec2f center,
                        double f)

### scale

    public IVec2f scale(IVec2 center,
                        double f)

### scale

    public IVec2f scale(IVec2I center,
                        double f)

  Description copied from interface: `IVec2I`
  scale from a center

  Specified by:
    `scale` in interface `IVec2I`

### scale

    public IVec2f scale(IVec2I center,
                        IDoubleI f)

  Description copied from interface: `IVec2I`
  scale from a center

  Specified by:
    `scale` in interface `IVec2I`

### scale

    public IVec2f scale(double centerX,
                        double centerY,
                        double f)

  Description copied from interface: `IVec2I`
  scale from a center

  Specified by:
    `scale` in interface `IVec2I`

### scale

    public IVec2f scale(float centerX,
                        float centerY,
                        float f)

### scale1d

    public IVec2f scale1d(IVec2f axis,
                          float f)

  scale only in 1 direction

### scale1d

    public IVec2f scale1d(IVec2 axis,
                          double f)

  scale only in 1 direction

### scale1d

    public IVec2f scale1d(IVec2I axis,
                          double f)

  scale only in 1 direction

  Specified by:
    `scale1d` in interface `IVec2I`

### scale1d

    public IVec2f scale1d(IVec2I axis,
                          IDoubleI f)

  scale only in 1 direction

  Specified by:
    `scale1d` in interface `IVec2I`

### scale1d

    public IVec2f scale1d(float axisX,
                          float axisY,
                          float f)

  scale only in 1 direction

### scale1d

    public IVec2f scale1d(double axisX,
                          double axisY,
                          double f)

  scale only in 1 direction

  Specified by:
    `scale1d` in interface `IVec2I`

### scale1d

    public IVec2f scale1d(IVec2f center,
                          IVec2f axis,
                          double f)

  scale only in 1 direction from a center

### scale1d

    public IVec2f scale1d(IVec2I center,
                          IVec2I axis,
                          double f)

  scale only in 1 direction from a center

  Specified by:
    `scale1d` in interface `IVec2I`

### scale1d

    public IVec2f scale1d(IVec2I center,
                          IVec2I axis,
                          IDoubleI f)

  scale only in 1 direction from a center

  Specified by:
    `scale1d` in interface `IVec2I`

### scale1d

    public IVec2f scale1d(float centerX,
                          float centerY,
                          float axisX,
                          float axisY,
                          float f)

  scale only in 1 direction from a center

### scale1d

    public IVec2f scale1d(double centerX,
                          double centerY,
                          double axisX,
                          double axisY,
                          double f)

  scale only in 1 direction from a center

  Specified by:
    `scale1d` in interface `IVec2I`

### ref

    public IVec2f ref(IVec2f lineDir)

  reflect (mirror) 2 dimensionally to the other side of the line

  Parameters:
    `lineDir` - direction of reflection line

### ref

    public IVec2f ref(IVec2 lineDir)

### ref

    public IVec2f ref(double lineX,
                      double lineY)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line

  Specified by:
    `ref` in interface `IVec2I`

### ref

    public IVec2f ref(float lineX,
                      float lineY)

### ref

    public IVec2f ref(IVec2I lineDir)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line

  Specified by:
    `ref` in interface `IVec2I`

### ref

    public IVec2f ref(IVec2f linePt,
                      IVec2f lineDir)

### ref

    public IVec2f ref(IVec2 linePt,
                      IVec2 lineDir)

### ref

    public IVec2f ref(double linePtX,
                      double linePtY,
                      double lineDirX,
                      double lineDirY)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line at a center

  Specified by:
    `ref` in interface `IVec2I`

### ref

    public IVec2f ref(float linePtX,
                      float linePtY,
                      float lineDirX,
                      float lineDirY)

### ref

    public IVec2f ref(IVec2I linePt,
                      IVec2I lineDir)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line at a center

  Specified by:
    `ref` in interface `IVec2I`

### mirror

    public IVec2f mirror(IVec2f lineDir)

### mirror

    public IVec2f mirror(IVec2 lineDir)

### mirror

    public IVec2f mirror(IVec2I lineDir)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line

  Specified by:
    `mirror` in interface `IVec2I`

### mirror

    public IVec2f mirror(double lineX,
                         double lineY)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line

  Specified by:
    `mirror` in interface `IVec2I`

### mirror

    public IVec2f mirror(float lineX,
                         float lineY)

### mirror

    public IVec2f mirror(IVec2f linePt,
                         IVec2f lineDir)

### mirror

    public IVec2f mirror(IVec2 linePt,
                         IVec2 lineDir)

### mirror

    public IVec2f mirror(IVec2I linePt,
                         IVec2I lineDir)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line at a center

  Specified by:
    `mirror` in interface `IVec2I`

### mirror

    public IVec2f mirror(double linePtX,
                         double linePtY,
                         double lineDirX,
                         double lineDirY)

  Description copied from interface: `IVec2I`
  reflect (mirror) 2 dimensionally to the other side of the line at a center

  Specified by:
    `mirror` in interface `IVec2I`

### mirror

    public IVec2f mirror(float linePtX,
                         float linePtY,
                         float lineDirX,
                         float lineDirY)

### shear

    public IVec2f shear(float sxy,
                        float syx)

  shear operation on XY

### shear

    public IVec2f shear(double sxy,
                        double syx)

  shear operation on XY

  Specified by:
    `shear` in interface `IVec2I`

### shear

    public IVec2f shear(IDoubleI sxy,
                        IDoubleI syx)

  shear operation on XY

  Specified by:
    `shear` in interface `IVec2I`

### shear

    public IVec2f shear(IVec2f center,
                        float sxy,
                        float syx)

  shear operation on XY

### shear

    public IVec2f shear(IVec2I center,
                        double sxy,
                        double syx)

  shear operation on XY

  Specified by:
    `shear` in interface `IVec2I`

### shear

    public IVec2f shear(IVec2I center,
                        IDoubleI sxy,
                        IDoubleI syx)

  shear operation on XY

  Specified by:
    `shear` in interface `IVec2I`

### translate

    public IVec2f translate(float x,
                            float y)

  alias of add()

### translate

    public IVec2f translate(double x,
                            double y)

  alias of add()

  Specified by:
    `translate` in interface `IVec2I`

### translate

    public IVec2f translate(IDoubleI x,
                            IDoubleI y)

  alias of add()

  Specified by:
    `translate` in interface `IVec2I`

### translate

    public IVec2f translate(IVec2f v)

  alias of add()

### translate

    public IVec2f translate(IVec2I v)

  alias of add()

  Specified by:
    `translate` in interface `IVec2I`

### transform

    public IVec2f transform(IMatrix2I mat)

  Description copied from interface: `IVec2I`
  transform with 2x2 transform matrix

  Specified by:
    `transform` in interface `IVec2I`

### transform

    public IVec2f transform(IMatrix3I mat)

  Description copied from interface: `IVec2I`
  transform with 3x3 transform matrix

  Specified by:
    `transform` in interface `IVec2I`

### transform

    public IVec2f transform(IVec2f xvec,
                            IVec2f yvec)

### transform

    public IVec2f transform(IVec2 xvec,
                            IVec2 yvec)

### transform

    public IVec2f transform(IVec2I xvec,
                            IVec2I yvec)

  Description copied from interface: `IVec2I`
  transform with transform vectors

  Specified by:
    `transform` in interface `IVec2I`

### transform

    public IVec2f transform(IVec2f xvec,
                            IVec2f yvec,
                            IVec2f translate)

### transform

    public IVec2f transform(IVec2 xvec,
                            IVec2 yvec,
                            IVec2 translate)

### transform

    public IVec2f transform(IVec2I xvec,
                            IVec2I yvec,
                            IVec2I translate)

  Description copied from interface: `IVec2I`
  transform with transform vectors

  Specified by:
    `transform` in interface `IVec2I`

### mv

    public IVec2f mv(float x,
                     float y)

  mv() is alias of add()

### mv

    public IVec2f mv(double x,
                     double y)

  mv() is alias of add()

  Specified by:
    `mv` in interface `IVec2I`

### mv

    public IVec2f mv(IDoubleI x,
                     IDoubleI y)

  mv() is alias of add()

  Specified by:
    `mv` in interface `IVec2I`

### mv

    public IVec2f mv(IVec2f v)

  mv() is alias of add()

### mv

    public IVec2f mv(IVec2I v)

  mv() is alias of add()

  Specified by:
    `mv` in interface `IVec2I`

### cp

    public IVec2f cp()

  cp() is alias of dup()

  Specified by:
    `cp` in interface `IVec2I`

### cp

    public IVec2f cp(float x,
                     float y)

  cp() is alias of dup().add()

### cp

    public IVec2f cp(double x,
                     double y)

  cp() is alias of dup().add()

  Specified by:
    `cp` in interface `IVec2I`

### cp

    public IVec2f cp(IDoubleI x,
                     IDoubleI y)

  cp() is alias of dup().add()

  Specified by:
    `cp` in interface `IVec2I`

### cp

    public IVec2f cp(IVec2f v)

  cp() is alias of dup().add()

### cp

    public IVec2f cp(IVec2I v)

  cp() is alias of dup().add()

  Specified by:
    `cp` in interface `IVec2I`

### dif

    public IVec2f dif(IVec2I v)

  Description copied from interface: `IVec2I`
  create a new instance of difference

  Specified by:
    `dif` in interface `IVec2I`

### dif

    public IVec2f dif(IVec2f v)

### dif

    public IVec2f dif(double vx,
                      double vy)

  Description copied from interface: `IVec2I`
  create a new instance of difference

  Specified by:
    `dif` in interface `IVec2I`

### dif

    public IVec2f dif(float vx,
                      float vy)

### diff

    public IVec2f diff(IVec2I v)

  Description copied from interface: `IVec2I`
  alias of dif

  Specified by:
    `diff` in interface `IVec2I`

### diff

    public IVec2f diff(IVec2f v)

### diff

    public IVec2f diff(double vx,
                       double vy)

  Description copied from interface: `IVec2I`
  alias of dif

  Specified by:
    `diff` in interface `IVec2I`

### diff

    public IVec2f diff(float vx,
                       float vy)

### mid

    public IVec2f mid(IVec2I v)

  Description copied from interface: `IVec2I`
  create a new instance of midpoint

  Specified by:
    `mid` in interface `IVec2I`

### mid

    public IVec2f mid(IVec2f v)

### mid

    public IVec2f mid(double vx,
                      double vy)

  Description copied from interface: `IVec2I`
  create a new instance of midpoint

  Specified by:
    `mid` in interface `IVec2I`

### mid

    public IVec2f mid(float vx,
                      float vy)

### sum

    public IVec2f sum(IVec2I v)

  Description copied from interface: `IVec2I`
  create a new instance of summation

  Specified by:
    `sum` in interface `IVec2I`

### sum

    public IVec2f sum(IVec2f v)

### sum

    public IVec2f sum(double vx,
                      double vy)

  Description copied from interface: `IVec2I`
  create a new instance of summation

  Specified by:
    `sum` in interface `IVec2I`

### sum

    public IVec2f sum(float vx,
                      float vy)

### sum

    public IVec2f sum(IVec2I... v)

  Description copied from interface: `IVec2I`
  create a new instance of summation

  Specified by:
    `sum` in interface `IVec2I`

### bisect

    public IVec2f bisect(IVec2f v)

### bisect

    public IVec2f bisect(IVec2 v)

### bisect

    public IVec2f bisect(IVec2I v)

  Description copied from interface: `IVec2I`
  create a new instance of bisector

  Specified by:
    `bisect` in interface `IVec2I`

### bisect

    public IVec2f bisect(double vx,
                         double vy)

  Description copied from interface: `IVec2I`
  create a new instance of bisector

  Specified by:
    `bisect` in interface `IVec2I`

### sum

    public IVec2f sum(IVec2f v2,
                      double w1,
                      double w2)

  weighted sum

### sum

    public IVec2f sum(IVec2 v2,
                      double w1,
                      double w2)

### sum

    public IVec2f sum(IVec2I v2,
                      double w1,
                      double w2)

  Description copied from interface: `IVec2I`
  create a new instance of weighted sum

  Specified by:
    `sum` in interface `IVec2I`

### sum

    public IVec2f sum(IVec2I v2,
                      IDoubleI w1,
                      IDoubleI w2)

  Description copied from interface: `IVec2I`
  create a new instance of weighted sum

  Specified by:
    `sum` in interface `IVec2I`

### sum

    public IVec2f sum(IVec2f v2,
                      double w2)

### sum

    public IVec2f sum(IVec2 v2,
                      double w2)

### sum

    public IVec2f sum(IVec2I v2,
                      double w2)

  Description copied from interface: `IVec2I`
  create a new instance of weighted sum

  Specified by:
    `sum` in interface `IVec2I`

### sum

    public IVec2f sum(IVec2I v2,
                      IDoubleI w2)

  Description copied from interface: `IVec2I`
  create a new instance of weighted sum

  Specified by:
    `sum` in interface `IVec2I`

### nml

    public IVec nml(IVec2I v)

  alias of cross

  Specified by:
    `nml` in interface `IVec2I`

### nml

    public IVec nml(double vx,
                    double vy)

  alias of cross

  Specified by:
    `nml` in interface `IVec2I`

### nml

    public IVec nml(float vx,
                    float vy)

  alias of cross

### nml

    public IVec nml(IVec2I pt1,
                    IVec2I pt2)

  create normal vector from 3 points of self, pt1 and pt2

  Specified by:
    `nml` in interface `IVec2I`

### nml

    public IVec nml(double vx1,
                    double vy1,
                    double vx2,
                    double vy2)

  create normal vector from 3 points of self, pt1 and pt2

  Specified by:
    `nml` in interface `IVec2I`

### nml

    public IVec nml(float vx1,
                    float vy1,
                    float vx2,
                    float vy2)

  create normal vector from 3 points of self, pt1 and pt2

### isValid

    public boolean isValid()

  checking x, y is valid number (not Infinite, nor NaN).

  Specified by:
    `isValid` in interface `IVec2I`

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