e_atan2.c File Reference

Functions
double	__ieee754_atan2 (double y, double x) double __ieee754_atan2(y
	if (((ix|((lx|-lx) > > 31)) > 0x7ff00000)||((iy|((ly|-ly) > > 31)) > 0x7ff00000))
	if ((ix|lx)==0)
	if (iy==0x7ff00000)

Variables
static const static double double	tiny = 1.0e-300
static const static double double	zero = 0.0
static const static double double	pi_o_4 = 7.8539816339744827900E-01
static const static double double	pi_o_2 = 1.5707963267948965580E+00
static const static double double	pi = 3.1415926535897931160E+00
static const static double double	pi_lo = 1.2246467991473531772E-16
double x double	y
double x double	x = one
int	k
int	m
int	hx = __HI(x)
int	hy = __HI(y)
int	ix = hx & 0x7fffffff
int	iy = hy & 0x7fffffff
unsigned	lx = __LO(x)
unsigned	ly = __LO(y)

Function Documentation

__ieee754_atan2()

double __ieee754_atan2	(	double	y,
		double	x )

if() [1/3]

if

(

((ix|((lx|-lx) > > 31)) > 0x7ff00000)||((iy|((ly|-ly) > > 31)) > 0x7ff00000)

)

if() [2/3]

if

(

(ix|lx)

= = 0

)

if() [3/3]

if

(

iy

= = 0x7ff00000

)

Variable Documentation

hx

hx = __HI(x)

hy

hy = __HI(y)

ix

ix = hx & 0x7fffffff

iy

iy = hy & 0x7fffffff

k

else k

Initial value:

{
    double z

lx

lx = __LO(x)

ly

ly = __LO(y)

m

int m

pi

const static double double pi = 3.1415926535897931160E+00

static

pi_lo

const static double double pi_lo = 1.2246467991473531772E-16

static

pi_o_2

const static double double pi_o_2 = 1.5707963267948965580E+00

static

pi_o_4

const static double double pi_o_4 = 7.8539816339744827900E-01

static

tiny

const static double double tiny = 1.0e-300

static

x

return x = one

y

double iy double y

zero

const static double double zero = 0.0

static