G4LogConsts Namespace Reference

Classes
union	ieee754

Functions
G4double	get_log_px (const G4double x)
G4double	get_log_qx (const G4double x)
uint64_t	dp2uint64 (G4double x)
G4double	uint642dp (uint64_t ll)
G4float	uint322sp (G4int x)
uint32_t	sp2uint32 (G4float x)
G4double	getMantExponent (const G4double x, G4double &fe)
	Like frexp but vectorising and the exponent is a double. More...
G4float	getMantExponentf (const G4float x, G4float &fe)
	Like frexp but vectorising and the exponent is a float. More...
G4float	get_log_poly (const G4float x)

Variables
const G4double	LOG_UPPER_LIMIT = 1e307
const G4double	LOG_LOWER_LIMIT = 0
const G4double	SQRTH = 0.70710678118654752440
const G4float	MAXNUMF = 3.4028234663852885981170418348451692544e38f
const G4float	LOGF_UPPER_LIMIT = MAXNUMF
const G4float	LOGF_LOWER_LIMIT = 0
const G4float	PX1logf = 7.0376836292E-2f
const G4float	PX2logf = -1.1514610310E-1f
const G4float	PX3logf = 1.1676998740E-1f
const G4float	PX4logf = -1.2420140846E-1f
const G4float	PX5logf = 1.4249322787E-1f
const G4float	PX6logf = -1.6668057665E-1f
const G4float	PX7logf = 2.0000714765E-1f
const G4float	PX8logf = -2.4999993993E-1f
const G4float	PX9logf = 3.3333331174E-1f
const G4float	SQRTHF = 0.707106781186547524f

Function Documentation

uint64_t G4LogConsts::dp2uint64 ( G4double  x )

inline

Definition at line 150 of file G4Log.hh.

References G4LogConsts::ieee754::d, and G4LogConsts::ieee754::ll.

Referenced by getMantExponent().

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G4float G4LogConsts::get_log_poly ( const G4float  x )

inline

Definition at line 285 of file G4Log.hh.

References PX1logf, PX2logf, PX3logf, PX4logf, PX5logf, PX6logf, PX7logf, PX8logf, and PX9logf.

Referenced by G4Logf().

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G4double G4LogConsts::get_log_px ( const G4double  x )

inline

Definition at line 103 of file G4Log.hh.

Referenced by G4Log().

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G4double G4LogConsts::get_log_qx ( const G4double  x )

inline

Definition at line 126 of file G4Log.hh.

Referenced by G4Log().

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G4double G4LogConsts::getMantExponent ( const G4double  x, G4double &  fe  )

inline

Like frexp but vectorising and the exponent is a double.

Definition at line 189 of file G4Log.hh.

References dp2uint64(), n, and uint642dp().

Referenced by G4Log().

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G4float G4LogConsts::getMantExponentf ( const G4float  x, G4float &  fe  )

inline

Like frexp but vectorising and the exponent is a float.

Definition at line 213 of file G4Log.hh.

References n, sp2uint32(), and uint322sp().

Referenced by G4Logf().

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uint32_t G4LogConsts::sp2uint32 ( G4float  x )

inline

Definition at line 180 of file G4Log.hh.

References G4LogConsts::ieee754::f, and G4LogConsts::ieee754::i.

Referenced by getMantExponentf().

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G4float G4LogConsts::uint322sp ( G4int  x )

inline

Definition at line 170 of file G4Log.hh.

References G4LogConsts::ieee754::f, and G4LogConsts::ieee754::i.

Referenced by getMantExponentf().

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G4double G4LogConsts::uint642dp ( uint64_t  ll )

inline

Definition at line 160 of file G4Log.hh.

References G4LogConsts::ieee754::d, and G4LogConsts::ieee754::ll.

Referenced by getMantExponent().

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Variable Documentation

const G4double G4LogConsts::LOG_LOWER_LIMIT = 0

Definition at line 80 of file G4Log.hh.

Referenced by G4Log().

const G4double G4LogConsts::LOG_UPPER_LIMIT = 1e307

Definition at line 79 of file G4Log.hh.

Referenced by G4Log().

const G4float G4LogConsts::LOGF_LOWER_LIMIT = 0

Definition at line 273 of file G4Log.hh.

Referenced by G4Logf().

const G4float G4LogConsts::LOGF_UPPER_LIMIT = MAXNUMF

Definition at line 272 of file G4Log.hh.

Referenced by G4Logf().

const G4float G4LogConsts::MAXNUMF = 3.4028234663852885981170418348451692544e38f

Definition at line 83 of file G4Log.hh.

const G4float G4LogConsts::PX1logf = 7.0376836292E-2f

Definition at line 275 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX2logf = -1.1514610310E-1f

Definition at line 276 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX3logf = 1.1676998740E-1f

Definition at line 277 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX4logf = -1.2420140846E-1f

Definition at line 278 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX5logf = 1.4249322787E-1f

Definition at line 279 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX6logf = -1.6668057665E-1f

Definition at line 280 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX7logf = 2.0000714765E-1f

Definition at line 281 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX8logf = -2.4999993993E-1f

Definition at line 282 of file G4Log.hh.

Referenced by get_log_poly().

const G4float G4LogConsts::PX9logf = 3.3333331174E-1f

Definition at line 283 of file G4Log.hh.

Referenced by get_log_poly().

const G4double G4LogConsts::SQRTH = 0.70710678118654752440

Definition at line 82 of file G4Log.hh.

Referenced by G4Log().

const G4float G4LogConsts::SQRTHF = 0.707106781186547524f

Definition at line 306 of file G4Log.hh.

Referenced by G4Logf().