eLynx::Math Namespace Reference

Deals with all basic math helpers and vectorial tools classes. More...

Classes
class	AbstractTransformation
	Abstract predecessor for all geometrical 2D plane-to-2D plane transformations. More...
class	BellCurve
	Implementation of gaussian curve using IFunctionNL interface. More...
class	BellSurface
	Implementation of gaussian surface using IFunctionNL interface. More...
struct	BezierTriangle3
class	BSpline1
	1D spline interface. More...
class	BSpline2
	2D spline interface. More...
struct	ConvolutionKernel
	Convolution kernel in W x H dimension, used with float and double resolution. More...
class	GaussNewton
	Non-linear iterative function fitter, implemented using Gauss-Newton method. More...
class	Point2
class	Point3
class	Segment2
class	Segment3
class	Rectangle2
class	AOBBox2
class	Triangle2
class	Triangle3
class	TriangleIdx
struct	TriangulationData
struct	BarycentricCoordinates2
class	IFunctionNL
	Interface to function of n-variables and m-parameters, which is non-linear in the meaning of parameters, and thus can't be directly used for least squares fitting. More...
class	IMatrix
	M x N matrix interface. More...
class	IResampleFilter
class	ISpline1D
	1D spline interface. More...
class	ISpline2D
	2D spline interface. More...
class	IVector
	N-size vector interface. More...
class	KDTree
	2D binary tree. More...
struct	KDNode
class	LeastSquares
	Least squares problems solver. More...
class	LinearTransformation
	Class implementing 2D linear transformation. More...
class	Matrix
	Basic M x N matrix implementation as rectangular array of doubles. More...
class	MatrixColVector
	Adapter, that provides vector-like read/write access to the column of the matrix. More...
class	MatrixRowVector
	Adapter, that provides vector-like read/write access to the row of the matrix. More...
class	Ramp
	Ramp is a look-up table for uint8 and uint16 types only. More...
class	ResampleHelper
class	SingleColMatrix
	Adapter, that provides matrix-like read/write access to the vector. More...
class	SingleRowMatrix
	Adapter, that provides matrix-like read/write access to the vector. More...
class	SubMatrix
	Adapter, that allows to work with part of the matrix as a separate matrix. More...
class	IMapTransform
class	CopyTransform
class	MidtoneTransform
class	ITransfertFunction
class	AbstractTransfertFunction
class	TransfertFunctionCopy
class	TransfertFunctionMidtone
class	TransposedMatrix
	Adapter, that provides transposed interface to given matrix. More...
class	Vector
	Basic N-size vector implementation as array of doubles. More...
Typedefs
typedef ConvolutionKernel< int32 >	ConvolutionKerneli
	Definition of a convolution kernel in 32-bit integer type.
typedef ConvolutionKernel< float >	ConvolutionKernelf
	Definition of a convolution kernel in float type.
typedef ConvolutionKernel< double >	ConvolutionKerneld
	Definition of a convolution kernel in double type.
typedef std::vector< Point2i >	Point2iList
	List of 2d points with 32bit integer resolution.
typedef std::vector< Point2l >	Point2lList
	List of 2d points with 64bit integer resolution.
typedef std::vector< Point2f >	Point2fList
	List of 2d points with 32bit float resolution.
typedef std::vector< Point2d >	Point2dList
	List of 2d points with 64bit float resolution.
typedef std::vector< AOBBox2i >	AOBBox2iList
	List of 2d Axis Oriented Bouding Box in 32bit integer resolution.
typedef std::vector< AOBBox2l >	AOBBox2lList
	List of 2d Axis Oriented Bouding Box in 64bit integer resolution.
typedef std::vector< AOBBox2f >	AOBBox2fList
	List of 2d Axis Oriented Bouding Box in 32bit float resolution.
typedef std::vector< AOBBox2d >	AOBBox2dList
	List of 2d Axis Oriented Bouding Box in 64bit float resolution.
typedef std::vector< TriangleIdx >	TriangleIdxList
	List of triangle index of points.
1d BSpline specializations
typedef BSpline1< int32 >	BSpline1i
typedef BSpline1< int64 >	BSpline1l
typedef BSpline1< float >	BSpline1f
typedef BSpline1< double >	BSpline1d
2d BSpline specializations
typedef BSpline2< int32 >	BSpline2i
typedef BSpline2< int64 >	BSpline2l
typedef BSpline2< float >	BSpline2f
typedef BSpline2< double >	BSpline2d
Point specializations
typedef Point2< int32 >	Point2i
	2d Point with 32bit integer resolution.
typedef Point2< int64 >	Point2l
	2d Point with 64bit integer resolution.
typedef Point2< float >	Point2f
	2d Point with 32bit float resolution.
typedef Point2< double >	Point2d
	2d Point with 64bit float resolution.
typedef Point3< int32 >	Point3i
	2d Point with 32bit integer resolution.
typedef Point3< int64 >	Point3l
	3d Point with 64bit integer resolution.
typedef Point3< float >	Point3f
	3d Point with 32bit float resolution.
typedef Point3< double >	Point3d
	3d Point with 64bit float resolution.
Segment specializations
typedef Segment2< int32 >	Segment2i
typedef Segment2< int64 >	Segment2l
typedef Segment2< float >	Segment2f
typedef Segment2< double >	Segment2d
typedef Segment3< int32 >	Segment3i
typedef Segment3< int64 >	Segment3l
typedef Segment3< float >	Segment3f
typedef Segment3< double >	Segment3d
typedef AOBBox2< int32 >	AOBBox2i
	2d Axis Oriented Bouding Box in 32bit integer resolution.
typedef AOBBox2< int64 >	AOBBox2l
	2d Axis Oriented Bouding Box in 64bit integer resolution.
typedef AOBBox2< float >	AOBBox2f
	2d Axis Oriented Bouding Box in 32bit float resolution.
typedef AOBBox2< double >	AOBBox2d
	2d Axis Oriented Bouding Box in 64bit float resolution.
Rectangle specializations
typedef Rectangle2< int32 >	Rectangle2i
typedef Rectangle2< int64 >	Rectangle2l
typedef Rectangle2< float >	Rectangle2f
typedef Rectangle2< double >	Rectangle2d
Triangle specializations
typedef Triangle2< int32 >	Triangle2i
typedef Triangle2< int64 >	Triangle2l
typedef Triangle2< float >	Triangle2f
typedef Triangle2< double >	Triangle2d
typedef Triangle3< int32 >	Triangle3i
typedef Triangle3< int64 >	Triangle3l
typedef Triangle3< float >	Triangle3f
typedef Triangle3< double >	Triangle3d
Enumerations
enum	ECompassDirection {   CD_North = 0, CD_NorthEast, CD_East, CD_SouthEast,   CD_South, CD_SouthWest, CD_West, CD_NorthWest }
	Orientation CD_NorthWest CD_North CD_NorthEast CD_West CD_East CD_SouthWest CD_South CD_SouthEast.
enum	EResampleFilter {   RF_Box, RF_Triangle, RF_Hermite, RF_Bell,   RF_CubicBSpline, RF_Lanczos3, RF_Mitchell, RF_Cosine,   RF_CatmullRom, RF_Quadratic, RF_CubicConvolution, RF_Lanczos5,   RF_Lanczos8, RF_BlackmanHarris, RF_Sync, RF_Hanning,   RF_Hamming, RF_Blackman, RF_Gaussian, RF_Undefined }
	Implemented resample filter collection. More...
Functions
ExportedByMath bool	elxFFT (float *ioprComplexMap, uint32 iDimArray[], uint32 iDimension, bool ibForward)
	Computes an in-place complex-to-complex FFT in 32bit float resolution.
ExportedByMath bool	elxFFT (double *ioprComplexMap, uint32 iDimArray[], uint32 iDimension, bool ibForward)
	Computes an in-place complex-to-complex FFT in 64bit float resolution.
template<typename T >
double	elxGetDistance (const Point2< T > &iP0, const Point2< T > &iP1)
template<typename T >
Point2< T >	elxGetMiddle (const Point2< T > &iP0, const Point2< T > &iP1)
template<class T >
Point2< T >	elxGetMiddle (const Point2< T > &iP0, const Point2< T > &iP1, const Point2< T > &iP2)
template<typename T >
bool	elxComparePoints (const Point2< T > &iP0, const Point2< T > &iP1)
template<typename T >
bool	elxEqualPoints (const Point2< T > &iP0, const Point2< T > &iP1)
template<class T >
Point2< T >	elxNormalizePoint (const Point2< T > &iP)
template<class T >
T	elxDotProduct (const Point2< T > &iP0, const Point2< T > &iP1)
template<class T >
Point2< T >	elxSubstructPoints (const Point2< T > &iP0, const Point2< T > &iP1)
template<class T >
Point2< T >	elxAddPoints (const Point2< T > &iP0, const Point2< T > &iP1)
template<typename T >
double	elxGetDistance (const Point3< T > &iP0, const Point3< T > &iP1)
template<typename T >
Point3< T >	elxGetMiddle (const Point3< T > &iP0, const Point3< T > &iP1)
template<class T >
Point3< T >	elxGetMiddle (const Point3< T > &iP0, const Point3< T > &iP1, const Point3< T > &iP2)
template<typename T >
bool	elxComparePoints (const Point3< T > &iP0, const Point3< T > &iP1)
template<typename T >
bool	elxEqualPoints (const Point3< T > &iP0, const Point3< T > &iP1)
template<class T >
Point3< T >	elxNormalizePoint (const Point3< T > &iP)
template<class T >
Point3< T >	elxCrossProduct (const Point3< T > &iP0, const Point3< T > &iP1)
template<class T >
T	elxDotProduct (const Point3< T > &iP0, const Point3< T > &iP1)
template<class T >
Point3< T >	elxSubstructPoints (const Point3< T > &iP0, const Point3< T > &iP1)
template<class T >
Point3< T >	elxAddPoints (const Point3< T > &iP0, const Point3< T > &iP1)
bool ExportedByMath	elxTriangulate (const Point2iList &iPoints, TriangleIdxList &oTriangles)
bool ExportedByMath	elxTriangulate (const Point2iList &iPoints, TriangulationData &oTriangles)
template<class Operator >
void ExportedByMath	elxProcessLine2i (int32 iX1, int32 iY1, int32 iX2, int32 iY2, int32 iW, int32 iH, Operator &iOperator)
template<class Operator >
void ExportedByMath	elxProcessLine2i (const Math::Point2i &iP1, const Math::Point2i &iP2, int32 iW, int32 iH, Operator &iOperator)
void ExportedByMath	elxComputeLinePoints (const Point2i &iP1, const Point2i &iP2, int32 iW, int32 iH, Point2iList &iPoints)
template<typename T >
bool ExportedByMath	elxIntersectLineLine (const Point2< T > &iPoint11, const Point2< T > &iPoint12, const Point2< T > &iPoint21, const Point2< T > &iPoint22, Point2< T > &oPoint)
template<typename T >
bool ExportedByMath	elxIntersectLineLine (const T iX11, const T iY11, const T iX12, const T iY12, const T iX21, const T iY21, const T iX22, const T iY22, T &X, T &Y)
template<typename T , typename U >
bool ExportedByMath	elxIntersectLineLine (const Point2< T > &iPoint11, const Point2< T > &iPoint12, const Point2< T > &iPoint21, const Point2< T > &iPoint22, Point2< U > &oPoint)
template<typename T , typename U >
bool ExportedByMath	elxIntersectLineLine (const T iX11, const T iY11, const T iX12, const T iY12, const T iX21, const T iY21, const T iX22, const T iY22, U &X, U &Y)
template<typename T >
bool ExportedByMath	elxIntersectLineSegment (const Point2< T > &iPoint1, const Point2< T > &iPoint2, const Segment2< T > &iSegment, Point2< T > &oPoint)
bool ExportedByMath	elxIntersectLineRectangle (const Point2< int32 > &iPoint1, const Point2< int32 > &iPoint2, const Rectangle2< int32 > &iRectangle, Segment2< int32 > &oSegment)
template<typename T >
bool ExportedByMath	elxIntersectCircleRectangle (const Rectangle2< T > &iRectangle, const Point2< T > &iPoint, T iRadius)
ExportedByMath uint32	elxGetKernelSize (double iRadius)
	Get the length of a square surrounding a circle with a given radius.
ExportedByMath ConvolutionKerneld	elxMakeGaussianSeparableKernel (uint32 iWidth, double iVariance, bool ibHorizontal)
	Make 2D Gaussian separable kernel.
ExportedByMath ConvolutionKerneld	elxMakeGaussianKernel (uint32 iWidth, uint32 iHeight, double iVariance)
	Make 2D Gaussian kernel.
ExportedByMath ConvolutionKerneld	elxMakeGaussianKernel (uint32 iRadius, double iVariance)
	Make 2D Gaussian kernel.
ExportedByMath ConvolutionKerneld	elxMakeMeanKernel (uint32 iWidth, uint32 iHeight)
	Make 2D mean kernel, this have a smoothing effect.
ExportedByMath ConvolutionKerneld	elxMakeMeanRadiusKernel (double iRadius, bool ibCircular=true)
	Make 2D mean kernel, square or circle mask kernel.
ExportedByMath ConvolutionKerneld	elxMakeCircleKernel (double iRadius, bool ibNormalize=false)
	Make circle mask kernel.
ExportedByMath ConvolutionKerneld	elxMakeMarrHildreth3x3d ()
	Make a Marr Hildreth 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeKirsch3x3d ()
	Make a Kirsch 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeKirsch5x5d ()
	Make a Kirsch 5x5 kernel.
ExportedByMath ConvolutionKerneld	elxMakeEmboss3x3d (double iDegrees=0.0)
	Make a emboss 3x3 kernel.
ExportedByMath const char *	elxChannelMaskToString (uint32 iChannelMask)
	Return channel mask as a string.
ExportedByMath uint32	elxToChannelMask (const char *iprChannelMask)
	Return channel mask from a string.
template<typename T >
bool	elxApplyRamp (const Ramp< T > &iRamp, T *iprSrc, size_t iSize, uint32 iChannelCount, uint32 iChannelMask)
	Apply one ramp on a buffer with one thread.
template<typename T >
bool	elxApplyRamp (const Ramp< T > &iRamp0, const Ramp< T > &iRamp1, T *iprSrc, size_t iSize, uint32 iChannelMask)
	Apply two ramps on a buffer with one thread.
template<typename T >
bool	elxApplyRamp (const Ramp< T > &iRamp0, const Ramp< T > &iRamp1, const Ramp< T > &iRamp2, T *iprSrc, size_t iSize, uint32 iChannelMask)
	Apply three ramps on a buffer with one thread.
template<typename T >
bool	elxApplyRampFast (const Ramp< T > &iRamp, T *iprSrc, size_t iSize, uint32 iChannelCount, uint32 iChannelMask)
	Apply one ramp on a buffer using the multicore optimisation.
template<typename T >
bool	elxApplyRampFast (const Ramp< T > &iRamp0, const Ramp< T > &iRamp1, T *iprSrc, size_t iSize, uint32 iChannelMask)
	Apply two ramps on a buffer using the multicore optimisation.
template<typename T >
bool	elxApplyRampFast (const Ramp< T > &iRamp0, const Ramp< T > &iRamp1, const Ramp< T > &iRamp2, T *iprSrc, size_t iSize, uint32 iChannelMask)
	Apply three ramps on a buffer using the multicore optimisation.
	DEFINE_RESAMPLE_FILTER (Box)
	Box filter: pulse, Fourier window, 1st order (constant) b-spline.
	DEFINE_RESAMPLE_FILTER (Triangle)
	Triangle filter: Bartlett window, 2nd order (linear) b-spline.
	DEFINE_RESAMPLE_FILTER (Hermite)
	Hermite filter: 2t3 − 3t2 + 1.
	DEFINE_RESAMPLE_FILTER (Bell)
	Bell filter:
	DEFINE_RESAMPLE_FILTER (CubicBSpline)
	Cubic B spline filter:
	DEFINE_RESAMPLE_FILTER (Lanczos3)
	Lanczos 3 filter:
	DEFINE_RESAMPLE_FILTER (Mitchell)
	Mitchell filter:
	DEFINE_RESAMPLE_FILTER (Cosine)
	Cosine filter:
	DEFINE_RESAMPLE_FILTER (CatmullRom)
	Catmull Rom filter:
	DEFINE_RESAMPLE_FILTER (Quadratic)
	Quadratic filter:
	DEFINE_RESAMPLE_FILTER (CubicConvolution)
	Cubic convolution filter:
	DEFINE_RESAMPLE_FILTER (Lanczos5)
	Lanczos 5 filter:
	DEFINE_RESAMPLE_FILTER (Lanczos8)
	Lanczos 8 filter:
	DEFINE_RESAMPLE_FILTER (BlackmanHarris)
	Blackman Harris filter:
	DEFINE_RESAMPLE_FILTER (Sinc)
	Sinc filter:
	DEFINE_RESAMPLE_FILTER (Hanning)
	Hanning filter:
	DEFINE_RESAMPLE_FILTER (Hamming)
	Hamming filter:
	DEFINE_RESAMPLE_FILTER (Blackman)
	Blackman filter:
	DEFINE_RESAMPLE_FILTER (Gaussian)
	Gaussian filter:
ExportedByMath const char *	elxToString (EResampleFilter iFilter)
	Return the string name of the resample filter function.
ExportedByMath EResampleFilter	elxToEResampleFilter (const char *iprFilter)
	Converts string to EResampleFilter.
ExportedByMath const IResampleFilter &	elxGetResampleFilter (EResampleFilter iFilter)
	Get resample filter from enum.
Blur filters
ExportedByMath ConvolutionKerneld	elxMakeSmooth3x3d ()
	Make smooth 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeCone5x5d ()
	Make cone 5x5 kernel.
ExportedByMath ConvolutionKerneld	elxMakePyramidal5x5d ()
	Make pyramidal 5x5 kernel.
ExportedByMath ConvolutionKerneld	elxMakeLowpass3x3d (double iAlpha)
	Make lowpass 3x3 kernel.
Sharpen filters
ExportedByMath ConvolutionKerneld	elxMakeSharpen (double iRadius=3.0)
	Make a sharpen kernel.
ExportedByMath ConvolutionKerneld	elxMakeSharpen3x3d (double iAmount=5.0)
	Make a sharpen 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSharpenSoft3x3d ()
	Make a soft sharpen 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSharpenSoft5x5d ()
	Make a soft sharpen 5x5 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSharpenSmooth3x3d (double iAlpha)
	Make a smooth sharpen 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSharpenMore3x3d (double iAlpha=1.0)
	Make a sharpen more 3x3 kernel.
Gradient edge detectors filters
ExportedByMath ConvolutionKerneld	elxMakePixelDifference3x3d ()
	Make a pixel difference 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSeparatedPixelDifference3x3d ()
	Make a separated pixel difference 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeRoberts3x3d ()
	Make a Roberts 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakePrewitt3x3d ()
	Make a Prewitt 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakePrewitt5x5d ()
	Make a Prewitt 5x5 kernel.
ExportedByMath ConvolutionKerneld	elxMakeFreiChen3x3d ()
	Make a Frei Chen 5x5 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSobel3x3d ()
	Make a Sobel 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSobel5x5d ()
	Make a Sobel 5x5 kernel.
ExportedByMath ConvolutionKerneld	elxMakeSobelNxNd (uint32 iSize=3)
	Make a Sobel NxN kernel.
ExportedByMath ConvolutionKerneld	elxMakeRobinson5x5d ()
	Make a Robinson 5x5 kernel.
Laplacian edge detectors filters
ExportedByMath ConvolutionKerneld	elxMakeLaplacian3x3d ()
	Make a Laplacian 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeLaplacian3x3d (double iAlpha)
	Make a Laplacian 3x3 kernel.
ExportedByMath ConvolutionKerneld	elxMakeLaplacian (double iRadius)
	Make a Laplacian kernel.
ExportedByMath ConvolutionKerneld	elxMakeLoG (double iRadius, double iVariance)
	Make a Laplacian of Gaussian kernel.
Sort function helpers.
template<typename T >
const T &	elxMin (const T &iA, const T &iB)
	Minimum of two T values.
template<typename T >
const T &	elxMin (const T &iA, const T &iB, const T &iC)
	Minimum of tree T values.
template<typename T >
const T &	elxMin (const T &iA, const T &iB, const T &iC, const T &iD)
	Minimum of for T values.
template<typename T >
const T &	elxMin (const T &iA, const T &iB, const T &iC, const T &iD, const T &iE)
	Minimum of for T values.
template<typename T >
const T &	elxMin (const T &iA, const T &iB, const T &iC, const T &iD, const T &iE, const T &iF)
	Minimum of for T values.
template<typename T >
bool	elxMin (const T *iprSrc, uint32 iSize, T &oMin)
template<typename T >
bool	elxMin (const T *iprSrc, uint32 iSize, uint32 iStep, T *oprMin)
template<typename T >
T	elxMin (T iV0, T iV1, T iV2, T iV3, T iV4, T iV5, T iV6, T iV7, T iV8)
template<typename T >
const T &	elxMax (const T &iA, const T &iB)
	Maximum of two T values.
template<typename T >
const T &	elxMax (const T &iA, const T &iB, const T &iC)
	Maximum of two T values.
template<typename T >
const T &	elxMax (const T &iA, const T &iB, const T &iC, const T &iD)
	Maximum of two T values.
template<typename T >
const T &	elxMax (const T &iA, const T &iB, const T &iC, const T &iD, const T &iE)
	Maximum of two T values.
template<typename T >
const T &	elxMax (const T &iA, const T &iB, const T &iC, const T &iD, const T &iE, const T &iF)
	Maximum of two T values.
template<typename T >
bool	elxMax (const T *iprSrc, uint32 iSize, T &oMin)
template<typename T >
bool	elxMax (const T *iprSrc, uint32 iSize, uint32 iStep, T *oprMax)
template<typename T >
T	elxMax (T iV0, T iV1, T iV2, T iV3, T iV4, T iV5, T iV6, T iV7, T iV8)
template<typename T >
bool	elxMinMax (const T *iprSrc, uint32 iSize, T &oMin, T &oMax)
template<typename T >
bool	elxMinMax (const T *iprSrc, uint32 iSize, uint32 iStep, T *oprMin, T *oprMax)
template<typename T >
T	elxNeg (const T iValue)
	negative
template<typename T >
T	elxMedian (T iV0, T iV1, T iV2)
	Median of 3 values.
template<typename T >
T	elxMedian (T iV0, T iV1, T iV2, T iV3)
	Median of 4 values.
template<typename T >
T	elxMedian (T iV0, T iV1, T iV2, T iV3, T iV4, T iV5, T iV6, T iV7, T iV8)
	Median of 9 values.
Normalization.
template<typename T >
bool	elxNormalize (T *ioprSrc, uint32 iSize)
template<typename T >
bool	elxNormalize (T *ioprSrc, uint32 iSize, T iMin, T iMax)
template<typename T >
bool	elxNormalize (T *ioprSrc, uint32 iSize, uint32 iChannelMask, uint32 iChannelCount)
template<typename T >
bool	elxNormalize (T *ioprSrc, uint32 iSize, const T *oprMinRange, const T *oprMaxRange, uint32 iChannelMask, uint32 iChannelCount)
Arithmetic helpers.
template<typename T >
T	elxSign (T iValue)
	Computes the sign of a value.
template<typename T >
T	elxAbs (T iX)
	Absolute of value, noted |a|.
template<typename T >
T	elxFloor (T iValue)
	Returns a value representing the largest integer that is less than or equal to the value.
template<typename T >
T	elxCeil (T iValue)
	Returns a value representing the smallest integer that is greater than or equal to the value.
template<typename T >
T	elxRound (T iValue)
	Returns a value representing the whole integer nearest to the value.
template<typename T >
int32	elxRint (T iValue)
	Returns a int32 value representing the whole integer nearest to the value.
template<typename T >
T	elxMod (T iA, T iB)
	Modulus of values noted m=a [b].
template<typename T >
T	elxMean (T iV1, T iV2)
	Computes the mean of two values iV1, iV2.
template<typename T >
T	elxAbsDiff (T iV1, T iV2)
	Computes absolute difference of iV1, iV2, to be used for unsigned type.
template<typename T >
bool	elxIsOdd (T iValue)
	Checks if an integer is odd (2n+1).
template<typename T >
bool	elxIsEven (T iValue)
	Checks if an integer is even (2n).
ExportedByMath int32	elxHighBit (uint32 iVal)
Exponential, logarithmic and power function helpers.
template<typename T >
T	elxSqr (T iX)
	Computes the square of iX = iX^2 = iX*iX.
template<typename T >
T	elxSqrt (T iX)
	Computes the compute the square root of iX.
template<typename T >
T	elxPow (T iX, T iY)
	Computes computes x raised to the power y.
template<typename T >
T	elxLog (T iX)
	Computes the value of the natural logarithm of argument iX.
template<typename T >
T	elxLog10 (T iX)
	Computes computes the value of the logarithm of argument iX to base 10.
template<typename T >
T	elxExp (T iX)
	Computes the exponent of iX.
template<typename T >
bool	elxIsPow2 (T iValue)
	Returns if a number is a power of 2, for value=0 return false.
template<typename T >
T	elxNextPow2 (T iValue)
	Returns the next power of 2 lower of input value, return value if value is power of two.
Trigonometric and hyperbolic function helpers.
PI constant value
template<typename T >
T	elxDeg2Rad (T iDegrees)
	Converts a degree angle in radians angle unit.
template<typename T >
T	elxRad2Deg (T iRadian)
	Converts a radian angle in degrees angle unit.
template<typename T >
T	elxCos (T iRadian)
	Computes the cosine of iX angle in radians.
template<typename T >
T	elxSin (T iRadian)
	Computes the sine of iX angle in radians.
template<typename T >
T	elxTan (T iRadian)
	Computes the tangent of angle in radians.
template<typename T >
T	elxArccos (T iX)
	Computes the arccosine in radians.
template<typename T >
T	elxArcsin (T iX)
	Computes the arcsine in radians.
template<typename T >
T	elxArctan (T iYoX)
	Computes the arctangent in radians.
Gaussian family function helpers.
template<typename T >
T	elxGetGaussianVariance (T iRadius)
	Get variance from a given radius.
template<typename T >
T	elxGaussian (T iX, T iSigma)
	1D Gaussian curve.
template<typename T >
T	elxGaussian (T iX, T iY, T iSigma)
	2D Gaussian curve.
template<typename T >
T	elxMeanGaussian (T iX, T iSigma)
template<typename T >
T	elxDoG (T iX, T iSigma)
	First Derivative of Gaussian.
template<typename T >
T	elxLoG (T iX, T iSigma)
	Laplacian of Gaussian.
template<typename T >
T	elxLoG (T iX, T iY, T iSigma)
	2D Laplacian of Gaussian curve.
Miscelaneaous function helpers.
template<typename T >
T	elxSmooth (T iMin, T iMax, T iValue)
	Smoothly interpolate value in range [iMin, iMax] to [0, 1].
ExportedByMath double	elxMidtone (double iX, double iMidtone)
Random number generator function helpers.
ExportedByMath void	elxRandomReset ()
	Sets the starting point for generating a series of pseudorandom.
ExportedByMath void	elxRandomReset (int32 iSeed)
ExportedByMath int32	elxRandomSign ()
	Returns int32 a pseudorandom sign, ie +1 or -1.
ExportedByMath double	elxRandom ()
template<typename T >
T	elxRandom (T iMax)
template<typename T >
T	elxRandom (T iMin, T iMax)
Operators.
enum	EValueAction { R_NoAction, R_Clamp, R_Cycle }
	List of possible actions with the returned value.
template<typename T , typename U >
void	elxClamp (T iIn, U &oOut)
template<typename T >
void	elxClamp (T iInMin, T iInMax, T &oOut)
template<typename T >
bool	elxAdd (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxSub (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxMul (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxDiv (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxDif (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxAddClamp (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxSubClamp (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxMulClamp (T *ioprSrc, uint32 iSize, double iValue)
template<typename T >
bool	elxDivClamp (T *ioprSrc, uint32 iSize, double iValue)
template<typename T >
bool	elxAddCycle (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxSubCycle (T *ioprSrc, uint32 iSize, T iValue)
template<typename T >
bool	elxMulCycle (T *ioprSrc, uint32 iSize, double iValue)
template<typename T >
bool	elxDivCycle (T *ioprSrc, uint32 iSize, double iValue)
template<typename T >
bool	elxAdd (T *ioprSrc, uint32 iSize, T iValue, EValueAction iAction)
template<typename T >
bool	elxSub (T *ioprSrc, uint32 iSize, T iValue, EValueAction iAction)
template<typename T >
bool	elxMul (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)
template<typename T >
bool	elxDiv (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)
template<typename T >
bool	elxAdd (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)
template<typename T >
bool	elxSub (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)
template<typename T >
bool	elxAddNorm (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)
template<typename T >
bool	elxSubNorm (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)
template<typename T >
bool	elxMulNorm (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)
template<typename T >
bool	elxDivNorm (T *ioprSrc, uint32 iSize, double iValue, EValueAction iAction)

---

Detailed Description

Deals with all basic math helpers and vectorial tools classes.

---

Typedef Documentation

typedef AOBBox2<double> eLynx::Math::AOBBox2d

2d Axis Oriented Bouding Box in 64bit float resolution.

typedef Point3<double> eLynx::Math::Point3d

3d Point with 64bit float resolution.

---

Enumeration Type Documentation

enum eLynx::Math::EResampleFilter

Implemented resample filter collection.

Enumerator:

RF_Box	pulse, Fourier window, 1st order (constant) b-spline
RF_Triangle	Bartlett window, 2nd order (linear) b-spline.
RF_Bell	3rd order (quadratic) b-spline
RF_CubicBSpline	4th order (cubic) b-spline
RF_Mitchell	Mitchell & Netravali's two-param cubic.
RF_CatmullRom	Catmull-Rom spline, Overhauser spline.

---

Function Documentation

template<typename T >

T eLynx::Math::elxAbs

(

T

iX )

Absolute of value, noted |a|.

Ex: elxAbs(1) = 1, elxAbs(-1) = 1, elxAbs(0) = 0, elxAbs(-2147483648) = -2147483648.

Parameters:

iX

value.

Returns:

|iX| >= 0.

template<typename T >

T eLynx::Math::elxAbsDiff	(	T	iV1,
		T	iV2
	)

Computes absolute difference of iV1, iV2, to be used for unsigned type.

Parameters:

iV1	1st value.
iV2	2nd value.

Returns:

|iV1-iV2|.

template<typename T >

T eLynx::Math::elxArccos

(

T

iX )

Computes the arccosine in radians.

Parameters:

iX	Value between 0 and 1 whose arccosine is to be calculated.

Returns:

the arccossine, if argument is less than 1.0 or greater than 1.0, returns an indefinite double_MAX.

template<typename T >

T eLynx::Math::elxArcsin

(

T

iX )

Computes the arcsine in radians.

Parameters:

iX	Value between 1.0 and 1.0 whose arcsine is to be calculated.

Returns:

the arcsine, if argument is less than 1.0 or greater than 1.0, returns an indefinite double_MAX.

template<typename T >

T eLynx::Math::elxArctan

(

T

iYoX )

Computes the arctangent in radians.

Parameters:

iYoX	Value between 1.0 and 1.0 whose arctangent is to be calculated.

Returns:

the arctangent, if argument is less than 1.0 or greater than 1.0, returns an indefinite double_MAX.

template<typename T >

T eLynx::Math::elxCeil

(

T

iValue )

Returns a value representing the smallest integer that is greater than or equal to the value.

Ex: elxCeil(4.2f) is 5.0f, elxCeil(-4.9) is -4.0;

Parameters:

iValue

The value.

Returns:

The floored value.

ExportedByMath const char* eLynx::Math::elxChannelMaskToString

(

uint32

iChannelMask )

Return channel mask as a string.

Parameters:

iChannelMask

The requested mask.

Returns:

The string representation of the mask.

template<typename T >

T eLynx::Math::elxCos

(

T

iRadian )

Computes the cosine of iX angle in radians.

Parameters:

iRadian

angle in radians.

Returns:

the cosine of iRadian.

template<typename T >

T eLynx::Math::elxDeg2Rad

(

T

iDegrees )

Converts a degree angle in radians angle unit.

Parameters:

iDegrees

The degree angle.

Returns:

The radian angle.

template<typename T >

T eLynx::Math::elxExp

(

T

iX )

Computes the exponent of iX.

Parameters:

iX

value.

Returns:

the exponent of iX, exp(x) = e^x.

ExportedByMath bool eLynx::Math::elxFFT	(	double *	ioprComplexMap,
		uint32	iDimArray[],
		uint32	iDimension,
		bool	ibForward
	)

Computes an in-place complex-to-complex FFT in 64bit float resolution.

Parameters:

ioprComplexMap	the map of complex.
iDimArray	size for each dimension, must be a power of 2.
iDimension	number of dimensions of complex map.
ibForward	true for forward transform, false for inverse transform.

Returns:

false if the dimensions are not powers of 2, true otherwise.

ExportedByMath bool eLynx::Math::elxFFT	(	float *	ioprComplexMap,
		uint32	iDimArray[],
		uint32	iDimension,
		bool	ibForward
	)

Computes an in-place complex-to-complex FFT in 32bit float resolution.

Parameters:

ioprComplexMap	the map of complex.
iDimArray	size for each dimension, must be a power of 2.
iDimension	number of dimensions of complex map.
ibForward	true for forward transform, false for inverse transform.

Returns:

false if the dimensions are not powers of 2, true otherwise.

template<typename T >

T eLynx::Math::elxFloor

(

T

iValue )

Returns a value representing the largest integer that is less than or equal to the value.

Ex: elxFloor(4.9f) = 4.0f, elxFloor(-4.9) = -5.0;

Parameters:

iValue

The value.

Returns:

The floored value.

ExportedByMath uint32 eLynx::Math::elxGetKernelSize

(

double

iRadius )

Get the length of a square surrounding a circle with a given radius.

Parameters:

iRadius

the radius of the circle in pixel.

ExportedByMath const IResampleFilter& eLynx::Math::elxGetResampleFilter

(

EResampleFilter

iFilter )

Get resample filter from enum.

Parameters:

iFilter

The requested filter.

Returns:

Implementation of IResampleFilter for the given enum.

template<typename T >

bool eLynx::Math::elxIsEven

(

T

iValue )

Checks if an integer is even (2n).

Ex: elxIsEven(0)=true, elxIsEven(1)=false, elxIsEven(-1)=false.

Parameters:

iValue

integer value.

Returns:

true if integer value is even, false if it's odd.

template<typename T >

bool eLynx::Math::elxIsOdd

(

T

iValue )

Checks if an integer is odd (2n+1).

Ex: elxIsOdd(0)=false, elxIsOdd(1)=true, elxIsOdd(-1)=true.

Parameters:

iValue

integer value.

Returns:

true if integer value is odd, false if it's even.

template<typename T >

bool eLynx::Math::elxIsPow2

(

T

iValue )

Returns if a number is a power of 2, for value=0 return false.

Parameters:

iValue

integer value.

Returns:

true if value is a power of two, false otherwise.

template<typename T >

T eLynx::Math::elxLog

(

T

iX )

Computes the value of the natural logarithm of argument iX.

Parameters:

iX

value.

Returns:

the natural logarithm of iX, ln(x).

template<typename T >

T eLynx::Math::elxLog10

(

T

iX )

Computes computes the value of the logarithm of argument iX to base 10.

Parameters:

iX

value.

Returns:

the logarithm to base 10 of iX, log10(x).

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeCircleKernel	(	double	iRadius,
		bool	ibNormalize = false
	)

Make circle mask kernel.

Value inside circle of radius iRadius are valuated with 1.0, outside with 0.0.

Parameters:

iRadius	the circle radius.
ibNormalize	if true this kernel is equivalent to mean filter, false to use as a mask (mul with another kernel to have impact with radius).

Returns:

A circle mask kernel.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeEmboss3x3d

(

double

iDegrees = 0.0 )

Make a emboss 3x3 kernel.

Parameters:

iDegrees

the angle in degrees of the light source.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeGaussianKernel	(	uint32	iWidth,
		uint32	iHeight,
		double	iVariance
	)

Make 2D Gaussian kernel.

Parameters:

iWidth	the kernel width.
iHeight	the kernel height.
iVariance	of the Gaussian curve.

Returns:

A normalized Gaussian kernel.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeGaussianKernel	(	uint32	iRadius,
		double	iVariance
	)

Make 2D Gaussian kernel.

Parameters:

iRadius	the kernel width and height.
iVariance	of the Gaussian curve.

Returns:

A normalized Gaussian kernel.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeGaussianSeparableKernel	(	uint32	iWidth,
		double	iVariance,
		bool	ibHorizontal
	)

Make 2D Gaussian separable kernel.

Parameters:

iWidth	the kernel width.
iVariance	of the Gaussian curve.
ibHorizontal	true if kernel is Wx1, false for 1xH.

Returns:

A normalized Gaussian kernel.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeLaplacian

(

double

iRadius )

Make a Laplacian kernel.

Parameters:

iRadius

the radius of the kernel.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeLaplacian3x3d

(

double

iAlpha )

Make a Laplacian 3x3 kernel.

Parameters:

iAlpha

the alpha.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeLoG	(	double	iRadius,
		double	iVariance
	)

Make a Laplacian of Gaussian kernel.

Parameters:

iRadius	the radius of the kernel.
iVariance	the variance for the Gaussian.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeLowpass3x3d

(

double

iAlpha )

Make lowpass 3x3 kernel.

Parameters:

iAlpha

the alpha.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeMeanKernel	(	uint32	iWidth,
		uint32	iHeight
	)

Make 2D mean kernel, this have a smoothing effect.

Parameters:

iWidth	the kernel width.
iHeight	the kernel height.

Returns:

A normalized mean kernel, all elements have value 1/(iWidth*iHeight).

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeMeanRadiusKernel	(	double	iRadius,
		bool	ibCircular = true
	)

Make 2D mean kernel, square or circle mask kernel.

Parameters:

iRadius	the square or circle radius.
ibCircular	if true this kernel is circle otherwise is square.

Returns:

A normalized mean kernel.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeSharpen

(

double

iRadius = 3.0 )

Make a sharpen kernel.

Parameters:

iRadius

the radius of the kernel.

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeSharpen3x3d

(

double

iAmount = 5.0 )

Make a sharpen 3x3 kernel.

Parameters:

iAmount

the amount value in range [0..1].

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeSharpenMore3x3d

(

double

iAlpha = 1.0 )

Make a sharpen more 3x3 kernel.

Parameters:

iAlpha

the amount value in range [0..1].

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeSharpenSmooth3x3d

(

double

iAlpha )

Make a smooth sharpen 3x3 kernel.

Parameters:

iAlpha

the amount value in range [0..1].

ExportedByMath ConvolutionKerneld eLynx::Math::elxMakeSobelNxNd

(

uint32

iSize = 3 )

Make a Sobel NxN kernel.

Parameters:

iSize

the length of the square.

template<typename T >

const T& eLynx::Math::elxMax	(	const T &	iA,
		const T &	iB
	)

Maximum of two T values.

Parameters:

iA	A T value.
iB	A T value.

Returns:

The maximum in list iA,iB.

template<typename T >

const T& eLynx::Math::elxMax	(	const T &	iA,
		const T &	iB,
		const T &	iC
	)

Maximum of two T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.

Returns:

The maximum in list iA,iB,iC.

template<typename T >

const T& eLynx::Math::elxMax	(	const T &	iA,
		const T &	iB,
		const T &	iC,
		const T &	iD
	)

Maximum of two T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.
iD	A T value.

Returns:

The maximum in list iA,iB,iC,iD.

template<typename T >

const T& eLynx::Math::elxMax	(	const T &	iA,
		const T &	iB,
		const T &	iC,
		const T &	iD,
		const T &	iE,
		const T &	iF
	)

Maximum of two T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.
iD	A T value.
iE	A T value.
iF	A T value.

Returns:

The maximum in list iA,iB,iC,iD,iE,iF.

template<typename T >

const T& eLynx::Math::elxMax	(	const T &	iA,
		const T &	iB,
		const T &	iC,
		const T &	iD,
		const T &	iE
	)

Maximum of two T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.
iD	A T value.
iE	A T value.

Returns:

The maximum in list iA,iB,iC,iD,iE.

template<typename T >

T eLynx::Math::elxMean	(	T	iV1,
		T	iV2
	)

Computes the mean of two values iV1, iV2.

Parameters:

iV1	1st value.
iV2	2nd value.

Returns:

(iV1+iV2)/2.

template<typename T >

const T& eLynx::Math::elxMin	(	const T &	iA,
		const T &	iB,
		const T &	iC,
		const T &	iD,
		const T &	iE,
		const T &	iF
	)

Minimum of for T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.
iD	A T value.
iE	A T value.
iF	A T value.

Returns:

The minimum in list iA,iB,iC,iD,iE,iF.

template<typename T >

const T& eLynx::Math::elxMin	(	const T &	iA,
		const T &	iB
	)

Minimum of two T values.

Parameters:

iA	A T value.
iB	A T value.

Returns:

The minimum in list iA,iB.

template<typename T >

const T& eLynx::Math::elxMin	(	const T &	iA,
		const T &	iB,
		const T &	iC,
		const T &	iD,
		const T &	iE
	)

Minimum of for T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.
iD	A T value.
iE	A T value.

Returns:

The minimum in list iA,iB,iC,iD,iE.

template<typename T >

const T& eLynx::Math::elxMin	(	const T &	iA,
		const T &	iB,
		const T &	iC
	)

Minimum of tree T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.

Returns:

The minimum in list iA,iB,iC.

template<typename T >

const T& eLynx::Math::elxMin	(	const T &	iA,
		const T &	iB,
		const T &	iC,
		const T &	iD
	)

Minimum of for T values.

Parameters:

iA	A T value.
iB	A T value.
iC	A T value.
iD	A T value.

Returns:

The minimum in list iA,iB,iC,iD.

template<typename T >

T eLynx::Math::elxMod	(	T	iA,
		T	iB
	)

Modulus of values noted m=a [b].

Returns the remainder of a / b such that a = i * b + f, where i is an integer. f has the same sign as a, and the absolute value of f is less than the absolute value of b.

Ex: elxMod(7, 5) = 2, elxMod(7, -5) = 2, elxMod(-7 ,5) = -2, elxMod(-7, -5) = -2.

Parameters:

iA	A value.
iB	A value.

Returns:

The value of iA modulus iB.

template<typename T >

T eLynx::Math::elxNextPow2

(

T

iValue )

Returns the next power of 2 lower of input value, return value if value is power of two.

Parameters:

iValue

integer value.

Returns:

The next power of 2 lower or equal.

template<typename T >

T eLynx::Math::elxPow	(	T	iX,
		T	iY
	)

Computes computes x raised to the power y.

Parameters:

iX	the mantissa.
iY	the exponent.

Returns:

iX^iY.

template<typename T >

T eLynx::Math::elxRad2Deg

(

T

iRadian )

Converts a radian angle in degrees angle unit.

Parameters:

iRadian

The radian angle.

Returns:

The degree angle.

ExportedByMath void eLynx::Math::elxRandomReset

(

)

Sets the starting point for generating a series of pseudorandom.

It seeds the pseudorandom-number generator with current time.

ExportedByMath int32 eLynx::Math::elxRandomSign

(

)

Returns int32 a pseudorandom sign, ie +1 or -1.

Use the elxRandomReset() function to seed the pseudorandom-number generator before calling.

Returns:

A pseudorandom int32 sign, +1 or -1.

template<typename T >

int32 eLynx::Math::elxRint

(

T

iValue )

Returns a int32 value representing the whole integer nearest to the value.

Ex: elxRint(4.9f) = 5, elxRint(4.2) = 4, elxRint(1.5) = 2.

Parameters:

iValue

The value.

Returns:

The int32 rounded value.

template<typename T >

T eLynx::Math::elxRound

(

T

iValue )

Returns a value representing the whole integer nearest to the value.

Ex: elxRound(4.9f) = 5.0f, elxRound(4.2) = 4.0, elxRound(1.5) is 2.0,
elxRound(-1.5) = -2.0, elxRound(-1.2f) = -1.0f, elxRound(20) = 20.

Parameters:

iValue

The value.

Returns:

The rounded value.

template<typename T >

T eLynx::Math::elxSign

(

T

iValue )

Computes the sign of a value.

Ex: elxSign(3.8f) = 1.0f, elxSign(-2.5) = -1.0, elxSign(-5) = -1 .

Parameters:

iValue

the value to get sign.

Returns:

0 for 0, +1 for positive, -1 for negative.

template<typename T >

T eLynx::Math::elxSin

(

T

iRadian )

Computes the sine of iX angle in radians.

Parameters:

iRadian

angle in radians.

Returns:

the sine of iRadian.

template<typename T >

T eLynx::Math::elxSmooth	(	T	iMin,
		T	iMax,
		T	iValue
	)

Smoothly interpolate value in range [iMin, iMax] to [0, 1].

To be used only with float and double resolution.

Parameters:

iMin	The minimum of input range value.
iMax	The maximum of input range value.
iValue	the input value to smooth between 0 and 1.

Returns:

The smoothed value.

template<typename T >

T eLynx::Math::elxSqr

(

T

iX )

Computes the square of iX = iX^2 = iX*iX.

Parameters:

iX

value.

Returns:

the squared value.

template<typename T >

T eLynx::Math::elxSqrt

(

T

iX )

Computes the compute the square root of iX.

Parameters:

iX	Nonnegative value whose root is to be computed.

Returns:

iX^1/2.

template<typename T >

T eLynx::Math::elxTan

(

T

iRadian )

Computes the tangent of angle in radians.

Parameters:

iRadian

Angle in radians.

Returns:

The tangent of angle.

ExportedByMath uint32 eLynx::Math::elxToChannelMask

(

const char *

iprChannelMask )

Return channel mask from a string.

Parameters:

iprChannelMask

he string representation of the mask.

Returns:

The mask.

ExportedByMath EResampleFilter eLynx::Math::elxToEResampleFilter

(

const char *

iprFilter )

Converts string to EResampleFilter.

Parameters:

iprFilter

The resample filter as a string.

Returns:

filter type as enum.

ExportedByMath const char* eLynx::Math::elxToString

(

EResampleFilter

iFilter )

Return the string name of the resample filter function.

Parameters:

iFilter

The requested filter.

Returns:

The string name of the resample filter function.