math.h File Reference

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Macros
#define	NAN   (0.0f / 0.0f)
#define	HUGE_VALF   (1.0f / 0.0f)
#define	INFINITY   (1.0f / 0.0f)
#define	FP_NAN   1
#define	FP_INFINITE   2
#define	FP_ZERO   3
#define	FP_NORMAL   4
#define	FP_SUBNORMAL   5
#define	fpclassify(x)
#define	isfinite(x)

Functions
double	fabs (double x)
double	sin (double x)
double	cos (double x)
float	sinf (float x)
float	cosf (float x)
float	tanf (float x)
float	acosf (float x)
float	powf (float base, float exponent)
double	ldexp (double x, int exp)
double	scalbn (double x, int n)
double	copysign (double x, double y)
double	floor (double x)
float	sqrtf (float x)
float	sqrt (float x)
float	fabsf (float x)
long	__fpclassifyf (float x)
long	__fpclassifyd (double x)
float	fmodf (float x, float m)

Macro Definition Documentation

NAN

#define NAN   (0.0f / 0.0f)

HUGE_VALF

#define HUGE_VALF   (1.0f / 0.0f)

INFINITY

#define INFINITY   (1.0f / 0.0f)

FP_NAN

#define FP_NAN   1

FP_INFINITE

#define FP_INFINITE   2

FP_ZERO

#define FP_ZERO   3

FP_NORMAL

#define FP_NORMAL   4

FP_SUBNORMAL

#define FP_SUBNORMAL   5

fpclassify

#define fpclassify

(

x

)

Value:

(sizeof(x) == sizeof(float) ? __fpclassifyf((float)(x)) : __fpclassifyd((double)(x)))

isfinite

#define isfinite

(

x

)

Value:

((fpclassify(x) > FP_INFINITE))

Function Documentation

fabs()

double fabs

(

double

x

)

sin()

double sin

(

double

x

)

cos()

double cos

(

double

x

)

sinf()

float sinf

(

float

x

)

cosf()

float cosf

(

float

x

)

tanf()

float tanf

(

float

x

)

acosf()

float acosf

(

float

x

)

powf()

float powf	(	float	base,
		float	exponent )

ldexp()

double ldexp	(	double	x,
		int	exp )

scalbn()

double scalbn	(	double	x,
		int	n )

copysign()

double copysign	(	double	x,
		double	y )

floor()

double floor

(

double

x

)

sqrtf()

float sqrtf ( float x )

externinline

sqrt()

float sqrt ( float x )

externinline

fabsf()

float fabsf

(

float

x

)

__fpclassifyf()

long __fpclassifyf

(

float

x

)

__fpclassifyd()

long __fpclassifyd

(

double

x

)

fmodf()

float fmodf ( float x, float m )

inline