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Functions
double	fast_asin (double x)
	Double Precision asin. More...

float	fast_asinf (float x)
	Single Precision asin. More...

double	fast_acos (double x)

float	fast_acosf (float x)

double	fast_atan (double x)
	Fast Atan implementation double precision. More...

float	fast_atanf (float xx)
	Fast Atan implementation single precision. More...

double	fast_atan2 (double y, double x)

float	fast_atan2f (float y, float x)

double	fast_cos (double x)
	Double precision cosine: just call sincos. More...

float	fast_cosf (float x)

double	fast_exp (double initial_x)
	Exponential Function double precision. More...

float	fast_expf (float initial_x)
	Exponential Function single precision. More...

double	fast_inv_general (double x, const uint32_t isqrt_iterations)
	General implementation of the inversion. More...

double	fast_inv (double x)
	Four iterations inversion. More...

double	fast_approx_inv (double x)
	Three iterations. More...

double	inv (double x)
	For comparisons. More...

float	fast_invf_general (float x, const uint32_t isqrt_iterations)
	General implementation of the inversion. More...

float	fast_invf (float x)
	Two iterations. More...

float	fast_approx_invf (float x)
	One iterations. More...

float	invf (float x)
	For comparisons. More...

double	fast_log (double x)

float	fast_logf (float x)

double	fast_sin (double x)
	Double precision sine: just call sincos. More...

float	fast_sinf (float x)

void	fast_sincos (const double xx, double &s, double &c)
	Double precision sincos. More...

void	fast_sincosf (const float xx, float &s, float &c)
	Single precision sincos. More...

double	fast_isqrt_general (double x, const uint32_t ISQRT_ITERATIONS)
	Sqrt implmentation from Quake3. More...

double	fast_isqrt (double x)
	Four iterations. More...

double	fast_approx_isqrt (double x)
	Three iterations. More...

double	isqrt (double x)
	For comparisons. More...

float	fast_isqrtf_general (float x, const uint32_t ISQRT_ITERATIONS)
	Sqrt implmentation from Quake3. More...

float	fast_isqrtf (float x)
	Two iterations. More...

float	fast_approx_isqrtf (float x)
	One (!) iterations. More...

float	isqrtf (float x)
	For comparisons. More...

double	fast_tan (double x)
	Double precision tangent implementation. More...

float	fast_tanf (float x)

Function Documentation

double vdt::fast_acos ( double x )

inline

Definition at line 208 of file asin.h.

Referenced by dpStep3().

float vdt::fast_acosf ( float x )

inline

Definition at line 212 of file asin.h.

Referenced by spStep3().

double vdt::fast_approx_inv ( double x )

inline

Three iterations.

Definition at line 53 of file inv.h.

float vdt::fast_approx_invf ( float x )

inline

One iterations.

Definition at line 81 of file inv.h.

double vdt::fast_approx_isqrt ( double x )

inline

Three iterations.

Definition at line 58 of file sqrt.h.

float vdt::fast_approx_isqrtf ( float x )

inline

One (!) iterations.

Definition at line 88 of file sqrt.h.

double vdt::fast_asin ( double x )

inline

Double Precision asin.

Definition at line 120 of file asin.h.

Referenced by dpStep3(), and fast_acos().

float vdt::fast_asinf ( float x )

inline

Single Precision asin.

Definition at line 157 of file asin.h.

Referenced by fast_acosf(), and spStep3().

double vdt::fast_atan ( double x )

inline

Fast Atan implementation double precision.

Definition at line 86 of file atan.h.

Referenced by dpStep1().

double vdt::fast_atan2	(	double	y,
		double	x
	)

inline

Definition at line 35 of file atan2.h.

float vdt::fast_atan2f	(	float	y,
		float	x
	)

inline

Definition at line 93 of file atan2.h.

float vdt::fast_atanf ( float xx )

inline

Fast Atan implementation single precision.

Definition at line 129 of file atan.h.

Referenced by spStep1().

double vdt::fast_cos ( double x )

inline

Double precision cosine: just call sincos.

Definition at line 22 of file cos.h.

Referenced by dpStep1().

float vdt::fast_cosf ( float x )

inline

Definition at line 26 of file cos.h.

Referenced by spStep1().

double vdt::fast_exp ( double initial_x )

inline

Exponential Function double precision.

Definition at line 70 of file exp.h.

Referenced by dpStep1().

float vdt::fast_expf ( float initial_x )

inline

Exponential Function single precision.

Definition at line 118 of file exp.h.

Referenced by spStep1().

double vdt::fast_inv ( double x )

inline

Four iterations inversion.

Definition at line 48 of file inv.h.

double vdt::fast_inv_general	(	double	x,
		const uint32_t	isqrt_iterations
	)

inline

General implementation of the inversion.

Definition at line 38 of file inv.h.

Referenced by fast_approx_inv(), and fast_inv().

float vdt::fast_invf ( float x )

inline

Two iterations.

Definition at line 76 of file inv.h.

float vdt::fast_invf_general	(	float	x,
		const uint32_t	isqrt_iterations
	)

inline

General implementation of the inversion.

Definition at line 66 of file inv.h.

Referenced by fast_approx_invf(), and fast_invf().

double vdt::fast_isqrt ( double x )

inline

Four iterations.

Definition at line 55 of file sqrt.h.

Referenced by dpStep2().

double vdt::fast_isqrt_general	(	double	x,
		const uint32_t	ISQRT_ITERATIONS
	)

inline

Sqrt implmentation from Quake3.

Definition at line 37 of file sqrt.h.

Referenced by fast_approx_isqrt(), fast_inv_general(), and fast_isqrt().

float vdt::fast_isqrtf ( float x )

inline

Two iterations.

Definition at line 85 of file sqrt.h.

Referenced by spStep2().

float vdt::fast_isqrtf_general	(	float	x,
		const uint32_t	ISQRT_ITERATIONS
	)

inline

Sqrt implmentation from Quake3.

Definition at line 68 of file sqrt.h.

Referenced by fast_approx_isqrtf(), fast_invf_general(), and fast_isqrtf().

double vdt::fast_log ( double x )

inline

Definition at line 89 of file log.h.

Referenced by dpStep2().

float vdt::fast_logf ( float x )

inline

Definition at line 172 of file log.h.

Referenced by spStep2().

double vdt::fast_sin ( double x )

inline

Double precision sine: just call sincos.

Definition at line 37 of file sin.h.

Referenced by dpStep1().

void vdt::fast_sincos	(	const double	xx,
		double &	s,
		double &	c
	)

inline

Double precision sincos.

Definition at line 132 of file sincos.h.

Referenced by fast_cos(), and fast_sin().

void vdt::fast_sincosf	(	const float	xx,
		float &	s,
		float &	c
	)

inline

Single precision sincos.

Definition at line 207 of file sincos.h.

Referenced by fast_cosf(), and fast_sinf().

float vdt::fast_sinf ( float x )

inline

Definition at line 41 of file sin.h.

Referenced by spStep1().

double vdt::fast_tan ( double x )

inline

Double precision tangent implementation.

Definition at line 84 of file tan.h.

Referenced by dpStep1().

float vdt::fast_tanf ( float x )

inline

Definition at line 130 of file tan.h.

Referenced by spStep1().

double vdt::inv ( double x )

inline

For comparisons.

Definition at line 58 of file inv.h.

Referenced by TAuthenticate::AuthExists(), TAuthenticate::ClearAuth(), TDecompChol::Invert(), TDecompBK::Invert(), TDecompLU::Invert(), TDecompQRH::Invert(), TDecompSVD::Invert(), ROOT::Minuit2::LASymMatrix::LASymMatrix(), ROOT::Minuit2::MnGlobalCorrelationCoeff::MnGlobalCorrelationCoeff(), OldProofServAuthSetup(), OldSlaveAuthSetup(), ROOT::Minuit2::operator*(), ROOT::Minuit2::operator-(), ROOT::Minuit2::operator/(), ROOT::Minuit2::LASymMatrix::operator=(), TPad::PaintHatches(), and rsa_genrsa().

float vdt::invf ( float x )

inline

For comparisons.

Definition at line 86 of file inv.h.

double vdt::isqrt ( double x )

inline

For comparisons.

Definition at line 63 of file sqrt.h.

float vdt::isqrtf ( float x )

inline

For comparisons.

Definition at line 93 of file sqrt.h.

Namespaces

Functions

Function Documentation