k_cos.c File Reference

Functions
double	__kernel_cos (double x, double y) double __kernel_cos(x
	if (ix< 0x3e400000)
return	a (hz -(z *r - x *y))

Variables
static const static double double	one = 1.00000000000000000000e+00
static const static double double	C1 = 4.16666666666666019037e-02
static const static double double	C2 = -1.38888888888741095749e-03
static const static double double	C3 = 2.48015872894767294178e-05
static const static double double	C4 = -2.75573143513906633035e-07
static const static double double	C5 = 2.08757232129817482790e-09
static const static double double	C6 = -1.13596475577881948265e-11
double y double	x
double y double	y
int	ix
	z = x * x
	r = z * (C1 + z * (C2 + z * (C3 + z * (C4 + z * (C5 + z * C6)))))
	else
	a = one - qx

Function Documentation

__kernel_cos()

double __kernel_cos	(	double	x,
		double	y )

a()

return a

(

hz -

z *r - x *y

)

if()

if

(

)

Variable Documentation

a

a = one - qx

C1

const static double double C1 = 4.16666666666666019037e-02

static

C2

const static double double C2 = -1.38888888888741095749e-03

static

C3

const static double double C3 = 2.48015872894767294178e-05

static

C4

const static double double C4 = -2.75573143513906633035e-07

static

C5

const static double double C5 = 2.08757232129817482790e-09

static

C6

const static double double C6 = -1.13596475577881948265e-11

static

else

else

Initial value:

{
        if (ix > 0x3fe90000) { 
            qx = 0.28125;
        } else {
            __HI(qx) = ix - 0x00200000; 
            __LO(qx) = 0;
        }
        hz = 0.5 * z - qx

ix

ix

Initial value:

{
    double a, hz, z, r, qx

one

const static double double one = 1.00000000000000000000e+00

static

r

r = z * (C1 + z * (C2 + z * (C3 + z * (C4 + z * (C5 + z * C6)))))

x

double y double x

y

double y double y

z

z = x * x