Tizen RT Libs&Environment  v1.0 D5
Files | Macros | Functions
MATH
KERNEL/LIBC

Provides APIs for Math. More...

Collaboration diagram for MATH:

Files

file  math.h
 Math APIs.
 

Macros

#define INFINITY   (1.0/0.0)
 
#define NAN   (0.0/0.0)
 
#define HUGE_VAL   INFINITY
 
#define isnan(x)   ((x) != (x))
 
#define isinf(x)   (((x) == INFINITY) || ((x) == -INFINITY))
 
#define isfinite(x)   (!(isinf(x)) && (x != NAN))
 
#define M_E   2.7182818284590452353602874713526625
 
#define M_SQRT2   1.4142135623730950488016887242096981
 
#define M_SQRT1_2   0.7071067811865475244008443621048490
 
#define M_LOG2E   1.4426950408889634073599246810018921
 
#define M_LOG10E   0.4342944819032518276511289189166051
 
#define M_LN2   0.6931471805599453094172321214581765
 
#define M_LN10   2.3025850929940456840179914546843642
 
#define M_PI   3.1415926535897932384626433832795029
 
#define M_PI_2   1.5707963267948966192313216916397514
 
#define M_PI_4   0.7853981633974483096156608458198757
 
#define M_1_PI   0.3183098861837906715377675267450287
 
#define M_2_PI   0.6366197723675813430755350534900574
 
#define M_2_SQRTPI   1.1283791670955125738961589031215452
 

Functions

double floor (double x)
 POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
 
double fabs (double x)
 POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
 
double pow (double b, double e)
 POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/) More...
 

Detailed Description

Provides APIs for Math.

Macro Definition Documentation

#define HUGE_VAL   INFINITY

Definition at line 118 of file math.h.

#define INFINITY   (1.0/0.0)

Definition at line 116 of file math.h.

#define isfinite (   x)    (!(isinf(x)) && (x != NAN))

Definition at line 122 of file math.h.

#define isinf (   x)    (((x) == INFINITY) || ((x) == -INFINITY))

Definition at line 121 of file math.h.

#define isnan (   x)    ((x) != (x))

Definition at line 120 of file math.h.

#define M_1_PI   0.3183098861837906715377675267450287

Definition at line 139 of file math.h.

#define M_2_PI   0.6366197723675813430755350534900574

Definition at line 140 of file math.h.

#define M_2_SQRTPI   1.1283791670955125738961589031215452

Definition at line 141 of file math.h.

#define M_E   2.7182818284590452353602874713526625

Definition at line 126 of file math.h.

#define M_LN10   2.3025850929940456840179914546843642

Definition at line 132 of file math.h.

#define M_LN2   0.6931471805599453094172321214581765

Definition at line 131 of file math.h.

#define M_LOG10E   0.4342944819032518276511289189166051

Definition at line 130 of file math.h.

#define M_LOG2E   1.4426950408889634073599246810018921

Definition at line 129 of file math.h.

#define M_PI   3.1415926535897932384626433832795029

Definition at line 136 of file math.h.

#define M_PI_2   1.5707963267948966192313216916397514

Definition at line 137 of file math.h.

#define M_PI_4   0.7853981633974483096156608458198757

Definition at line 138 of file math.h.

#define M_SQRT1_2   0.7071067811865475244008443621048490

Definition at line 128 of file math.h.

#define M_SQRT2   1.4142135623730950488016887242096981

Definition at line 127 of file math.h.

#define NAN   (0.0/0.0)

Definition at line 117 of file math.h.

Function Documentation

double fabs ( double  x)

POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/)

Since
Tizen RT v1.0
double floor ( double  x)

POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/)

Since
Tizen RT v1.0
double pow ( double  b,
double  e 
)

POSIX APIs (refer to : http://pubs.opengroup.org/onlinepubs/9699919799/)

Since
Tizen RT v1.0