s_cos.c File Reference

Functions
double	cos (double x) double cos(x) double x
ix &	if (ix<=0x3fe921fb) return __kernel_cos(x
else	if (ix >=0x7ff00000) return x - x
	switch (n &3)

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

Function Documentation

cos()

double cos

(

double

x

)

if() [1/2]

else if

(

ix >=

0x7ff00000

)

if() [2/2]

ix & if

(

ix<=

0x3fe921fb

)

switch()

switch

(

n &

3

)

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