utils.h File Reference

#include <math.h>

Go to the source code of this file.

Namespaces
	DTLib

Macros
#define	CONST_MAX_FLOAT   (float)1.0e38
#define	CONST_MIN_FLOAT   (float)-1.0e38
#define	CONST_EPSILON   (float)0.00000000001
#define	CONST_E   (float)2.7182818284590452354
#define	CONST_LOG2E   (float)1.4426950408889634074
#define	CONST_LOG10E   (float)0.43429448190325182765
#define	CONST_LN2   (float)0.69314718055994530942
#define	CONST_LN10   (float)2.30258509299404568402
#define	CONST_PI   (float)3.14159265358979323846
#define	CONST_2PI   (float)6.28318530717958647692
#define	CONST_PI_2   (float)1.57079632679489661923
#define	CONST_PI_4   (float)0.78539816339744830962
#define	CONST_3PI_4   (float)2.35619449019234492885
#define	CONST_ONE_PI   (float)0.31830988618379067154
#define	CONST_TWO_PI   (float)0.63661977236758134308
#define	CONST_TWO_SQRTPI   (float)1.12837916709551257390
#define	CONST_180_PI   (float)57.2957795130823208768
#define	CONST_SQRT2   (float)1.41421356237309504880
#define	CONST_SQRT1_2   (float)0.70710678118654752440
#define	CONST_SQRT3OVER2   (float)0.86602540378443864676
#define	CONST_3PI_2   (float)4.71238898038468985769
#define	CONST_PI_8   (float)0.39269908169872415480
#define	CONST_3PI_8   (float)1.17809724509617246442
#define	CONST_5PI_8   (float)1.96349540849362077403
#define	CONST_7PI_8   (float)2.74889357189106908365
#define	BYTE   unsigned char
#define	SQR(x)   ((x)*(x))
#define	IS_ODD(x)   ((x) % 2) /* only use these on ints */
#define	IS_EVEN(x)   (!IS_ODD(x))
#define	ODDIFY(x)   if (IS_EVEN(x)) x++
#define	F2I(x)   ((x > 0.0f) ? (int)(x+0.5f) : (int)(x-0.5f))
#define	APPXEQL(x, y, e)   (fabs((x)-(y)) <= e)
#define	SGN(x)   (((x) > 0) ? 1 : (((x) == 0) ? 0 : -1))
#define	SAME_SGN(x, y)   (((x) > 0) ? ((y) > 0) : (y <= 0))
#define	MAX(a, b)   ((a) > (b) ? (a) : (b))
#define	MIN(a, b)   ((a) < (b) ? (a) : (b))
#define	ABS(x)   ((x) < 0 ? -(x) : (x))
#define	zap(x)   do { if (x) { delete(x); x = 0; } } while (0)
#define	IS_A_FLOAT(x)   ((x >= CONST_MIN_FLOAT) && (x <= CONST_MAX_FLOAT))

Functions
double	DTLib::AngleDiff (double a1, double a2)
float	DTLib::AngleDiff (float a1, float a2)
double	DTLib::AngleSum (double a1, double a2)
float	DTLib::AngleSum (float a1, float a2)
float	DTLib::BiGauss (float mu1, float mu2, float mu12, float sigma1, float sigma2, float sigma12, float x1, float x2)
float	DTLib::FuzzySigmoid (float g, float a, float b, float c)
float	DTLib::Max (float *pBuf, int Size)
int	DTLib::Max (int *pBuf, int Size)
float	DTLib::Min (float *pBuf, int Size)
int	DTLib::iMin (float *pBuf, int Size)
double	DTLib::logbase (const double base, const double argument)
int	DTLib::NextPowerOfTwo (const int x)
void	DTLib::FloatToInt (const float &Xfloat, int &Xint, const float &MinRange, const float &MaxRange, const int &Resolution)
void	DTLib::IntToFloat (const int &Xint, float &Xfloat, const float &MinRange, const float &MaxRange, const int &Resolution)
bool	DTLib::IsAccute (const float &Theta)
float	DTLib::ParabolicInverseInterpolation (const float &x0, const float &y0, const float &x1, const float &y1, const float &x2, const float &y2)
void	DTLib::ParabolicOrientationInterpolation (const float &Theta1, const float &Rho1, const float &Theta2, const float &Rho2, const float &Theta3, const float &Rho3, float &InterpolatedThetaResult)
void	DTLib::ParabolicInterpolation (const float &x0, const float &y0, const float &x1, const float &y1, const float &x2, const float &y2, float &a, float &b, float &c)
void	DTLib::FixThetaRange (float &Theta, const bool &bHalfPhase=true)
template<class T >
void	DTLib::Swap (T &p1, T &p2)
template<class T >
T	DTLib::SSD (const T &x1, const T &y1, const T &x2, const T &y2)

Macro Definition Documentation

#define ABS

(

x

)

((x) < 0 ? -(x) : (x))

#define APPXEQL	(		x,
			y,
			e
	)		(fabs((x)-(y)) <= e)

#define BYTE   unsigned char

#define CONST_180_PI   (float)57.2957795130823208768

#define CONST_2PI   (float)6.28318530717958647692

#define CONST_3PI_2   (float)4.71238898038468985769

#define CONST_3PI_4   (float)2.35619449019234492885

#define CONST_3PI_8   (float)1.17809724509617246442

#define CONST_5PI_8   (float)1.96349540849362077403

#define CONST_7PI_8   (float)2.74889357189106908365

#define CONST_E   (float)2.7182818284590452354

#define CONST_EPSILON   (float)0.00000000001

#define CONST_LN10   (float)2.30258509299404568402

#define CONST_LN2   (float)0.69314718055994530942

#define CONST_LOG10E   (float)0.43429448190325182765

#define CONST_LOG2E   (float)1.4426950408889634074

#define CONST_MAX_FLOAT   (float)1.0e38

#define CONST_MIN_FLOAT   (float)-1.0e38

#define CONST_ONE_PI   (float)0.31830988618379067154

#define CONST_PI   (float)3.14159265358979323846

#define CONST_PI_2   (float)1.57079632679489661923

#define CONST_PI_4   (float)0.78539816339744830962

#define CONST_PI_8   (float)0.39269908169872415480

#define CONST_SQRT1_2   (float)0.70710678118654752440

#define CONST_SQRT2   (float)1.41421356237309504880

#define CONST_SQRT3OVER2   (float)0.86602540378443864676

#define CONST_TWO_PI   (float)0.63661977236758134308

#define CONST_TWO_SQRTPI   (float)1.12837916709551257390

#define F2I

(

x

)

((x > 0.0f) ? (int)(x+0.5f) : (int)(x-0.5f))

#define IS_A_FLOAT

(

x

)

((x >= CONST_MIN_FLOAT) && (x <= CONST_MAX_FLOAT))

#define IS_EVEN

(

x

)

(!IS_ODD(x))

#define IS_ODD

(

x

)

((x) % 2) /* only use these on ints */

#define MAX	(		a,
			b
	)		((a) > (b) ? (a) : (b))

#define MIN	(		a,
			b
	)		((a) < (b) ? (a) : (b))

#define ODDIFY

(

x

)

if (IS_EVEN(x)) x++

#define SAME_SGN	(		x,
			y
	)		(((x) > 0) ? ((y) > 0) : (y <= 0))

#define SGN

(

x

)

(((x) > 0) ? 1 : (((x) == 0) ? 0 : -1))

#define SQR

(

x

)

((x)*(x))

#define zap

(

x

)

do { if (x) { delete(x); x = 0; } } while (0)