math: DeforaOS libc Reference Manual

math

Functions

#define	isinf()
#define	isnan()
#define	isnormal()
#define	signbit()
double	acos ()
float	acosf ()
double	acosh ()
float	acoshf ()
long double	acoshl ()
long double	acosl ()
double	asin ()
float	asinf ()
double	asinh ()
float	asinhf ()
long double	asinhl ()
long double	asinl ()
double	atan ()
double	atan2 ()
float	atan2f ()
long double	atan2l ()
float	atanf ()
double	atanh ()
float	atanhf ()
long double	atanhl ()
long double	atanl ()
double	cbrt ()
float	cbrtf ()
long double	cbrtl ()
double	ceil ()
float	ceilf ()
long double	ceill ()
double	copysign ()
float	copysignf ()
long double	copysignl ()
double	cos ()
float	cosf ()
double	cosh ()
float	coshf ()
long double	coshl ()
long double	cosl ()
double	erf ()
double	erfc ()
float	erfcf ()
long double	erfcl ()
float	erff ()
long double	erfl ()
double	exp ()
double	exp2 ()
float	exp2f ()
long double	exp2l ()
float	expf ()
long double	expl ()
double	expm1 ()
float	expm1f ()
long double	expm1l ()
double	fabs ()
float	fabsf ()
long double	fabsl ()
double	fdim ()
float	fdimf ()
long double	fdiml ()
double	floor ()
float	floorf ()
long double	floorl ()
double	fma ()
float	fmaf ()
long double	fmal ()
double	fmax ()
float	fmaxf ()
long double	fmaxl ()
double	fmin ()
float	fminf ()
long double	fminl ()
double	fmod ()
float	fmodf ()
long double	fmodl ()
double	frexp ()
float	frexpf ()
long double	frexpl ()
double	hypot ()
float	hypotf ()
long double	hypotl ()
int	ilogb ()
int	ilogbf ()
int	ilogbl ()
double	j0 ()
double	j1 ()
double	jn ()
double	ldexp ()
float	ldexpf ()
long double	ldexpl ()
double	lgamma ()
float	lgammaf ()
long double	lgammal ()
long long	llrint ()
long long	llrintf ()
long long	llrintl ()
long long	llround ()
long long	llroundf ()
long long	llroundl ()
double	log ()
double	log10 ()
float	log10f ()
long double	log10l ()
double	log1p ()
float	log1pf ()
long double	log1pl ()
double	log2 ()
float	log2f ()
long double	log2l ()
double	logb ()
float	logbf ()
long double	logbl ()
float	logf ()
long double	logl ()
long	lrint ()
long	lrintf ()
long	lrintl ()
long	lround ()
long	lroundf ()
long	lroundl ()
double	modf ()
float	modff ()
long double	modfl ()
double	nan ()
float	nanf ()
long double	nanl ()
double	nearbyint ()
float	nearbyintf ()
long double	nearbyintl ()
double	nextafter ()
float	nextafterf ()
long double	nextafterl ()
double	nexttoward ()
float	nexttowardf ()
long double	nexttowardl ()
double	pow ()
float	powf ()
long double	powl ()
double	remainder ()
float	remainderf ()
long double	remainderl ()
double	remquo ()
float	remquof ()
long double	remquol ()
double	rint ()
float	rintf ()
long double	rintl ()
double	round ()
float	roundf ()
long double	roundl ()
double	scalb ()
double	scalbln ()
float	scalblnf ()
long double	scalblnl ()
double	scalbn ()
float	scalbnf ()
long double	scalbnl ()
double	sin ()
float	sinf ()
double	sinh ()
float	sinhf ()
long double	sinhl ()
long double	sinl ()
double	sqrt ()
float	sqrtf ()
long double	sqrtl ()
double	tan ()
float	tanf ()
double	tanh ()
float	tanhf ()
long double	tanhl ()
long double	tanl ()
double	tgamma ()
float	tgammaf ()
long double	tgammal ()
double	trunc ()
float	truncf ()
long double	truncl ()
double	y0 ()
double	y1 ()
double	yn ()

Types and Values

#define	M_E
#define	M_LOG2E
#define	M_LOG10E
#define	M_LN2
#define	M_LN10
#define	M_PI
#define	M_PI_2
#define	M_PI_4
#define	M_1_PI
#define	M_2_PI
#define	M_2_SQRTPI
#define	M_SQRT2
#define	M_SQRT1_2
#define	HUGE_VAL

Description

Functions

isinf()

# define isinf(f) __isinf(f)

isnan()

# define isnan(f) __isnan(f)

isnormal()

# define isnormal(f) ((f) != 0.0 && !isinf(f) && !isnan(f))

signbit()

# define signbit(f) ((isnormal(f) && f < 0.0) ? 1 : 0)

acos ()

double
acos (double Param1);

acosf ()

float
acosf (float Param1);

acosh ()

double
acosh (double Param1);

acoshf ()

float
acoshf (float Param1);

acoshl ()

long double
acoshl (long double Param1);

acosl ()

long double
acosl (long double Param1);

asin ()

double
asin (double Param1);

asinf ()

float
asinf (float Param1);

asinh ()

double
asinh (double Param1);

asinhf ()

float
asinhf (float Param1);

asinhl ()

long double
asinhl (long double Param1);

asinl ()

long double
asinl (long double Param1);

atan ()

double
atan (double Param1);

atan2 ()

double
atan2 (double Param1,
       double Param2);

atan2f ()

float
atan2f (float Param1,
        float Param2);

atan2l ()

long double
atan2l (long double Param1,
        long double Param2);

atanf ()

float
atanf (float Param1);

atanh ()

double
atanh (double Param1);

atanhf ()

float
atanhf (float Param1);

atanhl ()

long double
atanhl (long double Param1);

atanl ()

long double
atanl (long double Param1);

cbrt ()

double
cbrt (double Param1);

cbrtf ()

float
cbrtf (float Param1);

cbrtl ()

long double
cbrtl (long double Param1);

ceil ()

double
ceil (double Param1);

ceilf ()

float
ceilf (float Param1);

ceill ()

long double
ceill (long double Param1);

copysign ()

double
copysign (double Param1,
          double Param2);

copysignf ()

float
copysignf (float Param1,
           float Param2);

copysignl ()

long double
copysignl (long double Param1,
           long double Param2);

cos ()

double
cos (double Param1);

cosf ()

float
cosf (float Param1);

cosh ()

double
cosh (double Param1);

coshf ()

float
coshf (float Param1);

coshl ()

long double
coshl (long double Param1);

cosl ()

long double
cosl (long double Param1);

erf ()

double
erf (double Param1);

erfc ()

double
erfc (double Param1);

erfcf ()

float
erfcf (float Param1);

erfcl ()

long double
erfcl (long double Param1);

erff ()

float
erff (float Param1);

erfl ()

long double
erfl (long double Param1);

exp ()

double
exp (double Param1);

exp2 ()

double
exp2 (double Param1);

exp2f ()

float
exp2f (float Param1);

exp2l ()

long double
exp2l (long double Param1);

expf ()

float
expf (float Param1);

expl ()

long double
expl (long double Param1);

expm1 ()

double
expm1 (double Param1);

expm1f ()

float
expm1f (float Param1);

expm1l ()

long double
expm1l (long double Param1);

fabs ()

double
fabs (double Param1);

fabsf ()

float
fabsf (float Param1);

fabsl ()

long double
fabsl (long double Param1);

fdim ()

double
fdim (double Param1,
      double Param2);

fdimf ()

float
fdimf (float Param1,
       float Param2);

fdiml ()

long double
fdiml (long double Param1,
       long double Param2);

floor ()

double
floor (double Param1);

floorf ()

float
floorf (float Param1);

floorl ()

long double
floorl (long double Param1);

fma ()

double
fma (double Param1,
     double Param2,
     double Param3);

fmaf ()

float
fmaf (float Param1,
      float Param2,
      float Param3);

fmal ()

long double
fmal (long double Param1,
      long double Param2,
      long double Param3);

fmax ()

double
fmax (double Param1,
      double Param2);

fmaxf ()

float
fmaxf (float Param1,
       float Param2);

fmaxl ()

long double
fmaxl (long double Param1,
       long double Param2);

fmin ()

double
fmin (double Param1,
      double Param2);

fminf ()

float
fminf (float Param1,
       float Param2);

fminl ()

long double
fminl (long double Param1,
       long double Param2);

fmod ()

double
fmod (double Param1,
      double Param2);

fmodf ()

float
fmodf (float Param1,
       float Param2);

fmodl ()

long double
fmodl (long double Param1,
       long double Param2);

frexp ()

double
frexp (double Param1,
       int *Param2);

frexpf ()

float
frexpf (float value,
        int *Param2);

frexpl ()

long double
frexpl (long double value,
        int *Param2);

hypot ()

double
hypot (double Param1,
       double Param2);

hypotf ()

float
hypotf (float Param1,
        float Param2);

hypotl ()

long double
hypotl (long double Param1,
        long double Param2);

ilogb ()

int
ilogb (double Param1);

ilogbf ()

int
ilogbf (float Param1);

ilogbl ()

int
ilogbl (long double Param1);

j0 ()

double
j0 (double Param1);

j1 ()

double
j1 (double Param1);

jn ()

double
jn (int Param1,
    double Param2);

ldexp ()

double
ldexp (double Param1,
       int Param2);

ldexpf ()

float
ldexpf (float Param1,
        int Param2);

ldexpl ()

long double
ldexpl (long double Param1,
        int Param2);

lgamma ()

double
lgamma (double Param1);

lgammaf ()

float
lgammaf (float Param1);

lgammal ()

long double
lgammal (long double Param1);

llrint ()

long long
llrint (double Param1);

llrintf ()

long long
llrintf (float Param1);

llrintl ()

long long
llrintl (long double Param1);

llround ()

long long
llround (double Param1);

llroundf ()

long long
llroundf (float Param1);

llroundl ()

long long
llroundl (long double Param1);

log ()

double
log (double Param1);

log10 ()

double
log10 (double Param1);

log10f ()

float
log10f (float Param1);

log10l ()

long double
log10l (long double Param1);

log1p ()

double
log1p (double Param1);

log1pf ()

float
log1pf (float Param1);

log1pl ()

long double
log1pl (long double Param1);

log2 ()

double
log2 (double Param1);

log2f ()

float
log2f (float Param1);

log2l ()

long double
log2l (long double Param1);

logb ()

double
logb (double Param1);

logbf ()

float
logbf (float Param1);

logbl ()

long double
logbl (long double Param1);

logf ()

float
logf (float Param1);

logl ()

long double
logl (long double Param1);

lrint ()

long
lrint (double Param1);

lrintf ()

long
lrintf (float Param1);

lrintl ()

long
lrintl (long double Param1);

lround ()

long
lround (double Param1);

lroundf ()

long
lroundf (float Param1);

lroundl ()

long
lroundl (long double Param1);

modf ()

double
modf (double Param1,
      double *Param2);

modff ()

float
modff (float Param1,
       float *Param2);

modfl ()

long double
modfl (long double Param1,
       long double *Param2);

nan ()

double
nan (const char *Param1);

nanf ()

float
nanf (const char *Param1);

nanl ()

long double
nanl (const char *Param1);

nearbyint ()

double
nearbyint (double Param1);

nearbyintf ()

float
nearbyintf (float Param1);

nearbyintl ()

long double
nearbyintl (long double Param1);

nextafter ()

double
nextafter (double Param1,
           double Param2);

nextafterf ()

float
nextafterf (float Param1,
            float Param2);

nextafterl ()

long double
nextafterl (long double Param1,
            long double Param2);

nexttoward ()

double
nexttoward (double Param1,
            long double Param2);

nexttowardf ()

float
nexttowardf (float Param1,
             long double Param2);

nexttowardl ()

long double
nexttowardl (long double Param1,
             long double Param2);

pow ()

double
pow (double Param1,
     double Param2);

powf ()

float
powf (float Param1,
      float Param2);

powl ()

long double
powl (long double Param1,
      long double Param2);

remainder ()

double
remainder (double Param1,
           double Param2);

remainderf ()

float
remainderf (float Param1,
            float Param2);

remainderl ()

long double
remainderl (long double Param1,
            long double Param2);

remquo ()

double
remquo (double Param1,
        double Param2,
        int *Param3);

remquof ()

float
remquof (float Param1,
         float Param2,
         int *Param3);

remquol ()

long double
remquol (long double Param1,
         long double Param2,
         int *Param3);

rint ()

double
rint (double Param1);

rintf ()

float
rintf (float Param1);

rintl ()

long double
rintl (long double Param1);

round ()

double
round (double Param1);

roundf ()

float
roundf (float Param1);

roundl ()

long double
roundl (long double Param1);

scalb ()

double
scalb (double Param1,
       double Param2);

scalbln ()

double
scalbln (double Param1,
         long Param2);

scalblnf ()

float
scalblnf (float Param1,
          long Param2);

scalblnl ()

long double
scalblnl (long double Param1,
          long Param2);

scalbn ()

double
scalbn (double Param1,
        int Param2);

scalbnf ()

float
scalbnf (float Param1,
         int Param2);

scalbnl ()

long double
scalbnl (long double Param1,
         int Param2);

sin ()

double
sin (double Param1);

sinf ()

float
sinf (float Param1);

sinh ()

double
sinh (double Param1);

sinhf ()

float
sinhf (float Param1);

sinhl ()

long double
sinhl (long double Param1);

sinl ()

long double
sinl (long double Param1);

sqrt ()

double
sqrt (double Param1);

sqrtf ()

float
sqrtf (float Param1);

sqrtl ()

long double
sqrtl (long double Param1);

tan ()

double
tan (double Param1);

tanf ()

float
tanf (float Param1);

tanh ()

double
tanh (double Param1);

tanhf ()

float
tanhf (float Param1);

tanhl ()

long double
tanhl (long double Param1);

tanl ()

long double
tanl (long double Param1);

tgamma ()

double
tgamma (double Param1);

tgammaf ()

float
tgammaf (float Param1);

tgammal ()

long double
tgammal (long double Param1);

trunc ()

double
trunc (double Param1);

truncf ()

float
truncf (float Param1);

truncl ()

long double
truncl (long double Param1);

y0 ()

double
y0 (double Param1);

y1 ()

double
y1 (double Param1);

yn ()

double
yn (int Param1,
    double Param2);

Types and Values

M_E

# define M_E		2.7182818284590452354

M_LOG2E

# define M_LOG2E 1.4426950408889634074

M_LOG10E

# define M_LOG10E 0.43429448190325182765

M_LN2

# define M_LN2		0.69314718055994530942

M_LN10

# define M_LN10		2.30258509299404568402

M_PI

# define M_PI		3.14159265358979323846

M_PI_2

# define M_PI_2		1.57079632679489661923

M_PI_4

# define M_PI_4		0.78539816339744830962

M_1_PI

# define M_1_PI		0.31830988618379067154

M_2_PI

# define M_2_PI		0.63661977236758134308

M_2_SQRTPI

# define M_2_SQRTPI 1.12837916709551257390

M_SQRT2

# define M_SQRT2 1.41421356237309504880

M_SQRT1_2

# define M_SQRT1_2 0.70710678118654752440

HUGE_VAL

#define             HUGE_VAL