e_asin.c File Reference

Functions
double	__ieee754_asin (double x) double __ieee754_asin(x) double x
	if (ix >=0x3ff00000)
else	if (ix< 0x3fe00000)
	__LO (w)=0

Variables
static const static double double	one = 1.00000000000000000000e+00
static const static double double	huge = 1.000e+300
static const static double double	pio2_hi = 1.57079632679489655800e+00
static const static double double	pio2_lo = 6.12323399573676603587e-17
static const static double double	pio4_hi = 7.85398163397448278999e-01
static const static double double	pS0 = 1.66666666666666657415e-01
static const static double double	pS1 = -3.25565818622400915405e-01
static const static double double	pS2 = 2.01212532134862925881e-01
static const static double double	pS3 = -4.00555345006794114027e-02
static const static double double	pS4 = 7.91534994289814532176e-04
static const static double double	pS5 = 3.47933107596021167570e-05
static const static double double	qS1 = -2.40339491173441421878e+00
static const static double double	qS2 = 2.02094576023350569471e+00
static const static double double	qS3 = -6.88283971605453293030e-01
static const static double double	qS4 = 7.70381505559019352791e-02
int	hx
int	ix = hx & 0x7fffffff
	w = one - fabs(x)
	t = w * 0.5
	p = t * (pS0 + t * (pS1 + t * (pS2 + t * (pS3 + t * (pS4 + t * pS5)))))
	q = one + t * (qS1 + t * (qS2 + t * (qS3 + t * qS4)))
	s = sqrt(t)
	else
	c = (t - w * w) / (s + w)
	r = p / q

Function Documentation

__ieee754_asin()

double __ieee754_asin

(

double

x

)

__LO()

__LO ( w )

pure virtual

if() [1/2]

if

(

ix >=

0x3ff00000

)

if() [2/2]

else if

(

)

Variable Documentation

c

c = (t - w * w) / (s + w)

else

else

Initial value:

{
        w       = s

huge

const static double double huge = 1.000e+300

static

hx

hx

Initial value:

{
    double t, w, p, q, c, r, s

ix

ix = hx & 0x7fffffff

one

const static double double one = 1.00000000000000000000e+00

static

p

p = t * (pS0 + t * (pS1 + t * (pS2 + t * (pS3 + t * (pS4 + t * pS5)))))

pio2_hi

const static double double pio2_hi = 1.57079632679489655800e+00

static

pio2_lo

const static double double pio2_lo = 6.12323399573676603587e-17

static

pio4_hi

const static double double pio4_hi = 7.85398163397448278999e-01

static

pS0

const static double double pS0 = 1.66666666666666657415e-01

static

pS1

const static double double pS1 = -3.25565818622400915405e-01

static

pS2

const static double double pS2 = 2.01212532134862925881e-01

static

pS3

const static double double pS3 = -4.00555345006794114027e-02

static

pS4

const static double double pS4 = 7.91534994289814532176e-04

static

pS5

const static double double pS5 = 3.47933107596021167570e-05

static

q

q = one + t * (qS1 + t * (qS2 + t * (qS3 + t * qS4)))

qS1

const static double double qS1 = -2.40339491173441421878e+00

static

qS2

const static double double qS2 = 2.02094576023350569471e+00

static

qS3

const static double double qS3 = -6.88283971605453293030e-01

static

qS4

const static double double qS4 = 7.70381505559019352791e-02

static

r

r = p / q

s

s = sqrt(t)

t

t = w * 0.5

w

w = one - fabs(x)