s_tan.c File Reference

Functions
double	tan (double x) double tan(x) double x
ix &	if (ix<=0x3fe921fb) return __kernel_tan(x
ix else	if (ix >=0x7ff00000) return x - x
return	__kernel_tan (y[0], y[1], 1 -((n &1)<< 1))

Variables
int	n
int	ix = __HI(x)
ix	z
	else

Function Documentation

__kernel_tan()

return __kernel_tan	(	y	[0],
		y	[1],
		1 -	(n &1)<< 1
	)

if() [1/2]

ix else if

(

ix >=

0x7ff00000

)

if() [2/2]

ix & if

(

ix<=

0x3fe921fb

)

tan()

double tan

(

double

x

)

Variable Documentation

else

else

Initial value:

{
        n = __ieee754_rem_pio2(x, y)

ix

ix = __HI(x)

n

int n

Initial value:

{
    double y[2], z = 0.0

z

ix z