SYS_Math.h File Reference

#include "SYS_API.h"
#include "SYS_Types.h"
#include <float.h>
#include <limits>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>

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Macros
#define	srand48(X)   static_assert(0, "Use SYSsrand48() instead")
#define	drand48(X)   0; { static_assert(0, "Use SYSdrand48() instead"); }
#define	SYSmax(a, b)   ((a) > (b) ? (a) : (b))
#define	SYSmin(a, b)   ((a) < (b) ? (a) : (b))
#define	SYSabs(a)   ((a) < 0 ? (a) : -(a))

Functions
SYS_API void	SYSsrand48 (long seed)
SYS_API double	SYSdrand48 ()
template<typename F >
int	SYSsignum (const F a)
template<typename F >
bool	SYSisNan (const F f)
template<>
bool	SYSisNan (const fpreal16 f)
SYS_API bool	SYSisNan (const char *number)
	SYSisNan() checks whether the string represents a non-finite number. More...
SYS_API bool	SYSisInt (const char *str)
SYS_API bool	SYSisFloat (const char *str)
SYS_API fpreal32	SYSroundAngle (fpreal32 base, fpreal32 source)
SYS_API fpreal64	SYSroundAngle (fpreal64 base, fpreal64 source)
SYS_API fpreal64	SYSroundAngle (int32 base, int32 source)
SYS_API fpreal64	SYSroundAngle (int64 base, int64 source)
SYS_API bool	SYSisPrime (uint num)
SYS_API bool	SYSisPrime (uint64 num)
SYS_API uint	SYSmakePrime (uint num)
SYS_API uint64	SYSmakePrime (uint64 num)
bool	SYSisFinite (fpreal16 f)
bool	SYSisFinite (int32 f)
bool	SYSisFinite (int64 f)

Macro Definition Documentation

#define drand48

(

X

)

0; { static_assert(0, "Use SYSdrand48() instead"); }

Definition at line 161 of file SYS_Math.h.

#define srand48

(

X

)

static_assert(0, "Use SYSsrand48() instead")

Definition at line 160 of file SYS_Math.h.

#define SYSabs

(

a

)

((a) < 0 ? (a) : -(a))

Examples:

CHOP/CHOP_Spring.C, RAY/RAY_DemoStamp.C, and SOP/SOP_BouncyAgent.C.

Definition at line 1449 of file SYS_Math.h.

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

Examples:

COP2/COP2_MultiInputWipe.C, RAY/RAY_DemoEdgeDetectFilter.C, RAY/RAY_DemoSprite.C, SIM/SNOW_Solver.C, and SOP/SOP_NURBS.C.

Definition at line 1447 of file SYS_Math.h.

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

Examples:

COP2/COP2_SampleFilter.C, DM/DM_ObjectPathHook.C, euclid/EUC_Expression.C, RAY/RAY_DemoEdgeDetectFilter.C, SIM/SNOW_Solver.C, SOP/SOP_NURBS.C, and standalone/tiledevice.C.

Definition at line 1448 of file SYS_Math.h.

Function Documentation

SYS_API double SYSdrand48

(

)

Examples:

SOP/SOP_SParticle.C, and VEX/VEX_Example.C.

bool SYSisFinite ( fpreal16  f )

inline

Check whether a number is finite. That is, not Nan and not infinity.

See Also

SYSisNan()

Definition at line 201 of file SYS_Math.h.

bool SYSisFinite ( int32  f )

inline

Check whether a number is finite. That is, not Nan and not infinity.

See Also

SYSisNan()

Definition at line 202 of file SYS_Math.h.

bool SYSisFinite ( int64  f )

inline

Check whether a number is finite. That is, not Nan and not infinity.

See Also

SYSisNan()

Definition at line 203 of file SYS_Math.h.

SYS_API bool SYSisFloat

(

const char *

str

)

SYS_API bool SYSisInt

(

const char *

str

)

template<typename F >

bool SYSisNan ( const F  f )

inline

Definition at line 176 of file SYS_Math.h.

template<>

bool SYSisNan ( const fpreal16  f )

inline

Definition at line 182 of file SYS_Math.h.

SYS_API bool SYSisNan

(

const char *

number

)

SYSisNan() checks whether the string represents a non-finite number.

SYS_API bool SYSisPrime

(

uint

num

)

SYS_API bool SYSisPrime

(

uint64

num

)

SYS_API uint SYSmakePrime

(

uint

num

)

SYS_API uint64 SYSmakePrime

(

uint64

num

)

SYS_API fpreal32 SYSroundAngle	(	fpreal32	base,
		fpreal32	source
	)

SYS_API fpreal64 SYSroundAngle	(	fpreal64	base,
		fpreal64	source
	)

SYS_API fpreal64 SYSroundAngle	(	int32	base,
		int32	source
	)

SYS_API fpreal64 SYSroundAngle	(	int64	base,
		int64	source
	)

template<typename F >

int SYSsignum ( const F  a )

inline

Definition at line 169 of file SYS_Math.h.

SYS_API void SYSsrand48

(

long

seed

)

Examples:

VEX/VEX_Example.C.