void
sincosl(long double x, long double *s, long double *c) {
long double y[2], z = 0.0L;
int n, ix;
ix = *(int *) &x; /* High word of x */
/* |x| ~< pi/4 */
ix &= 0x7fffffff;
if (ix <= 0x3ffe9220)
*s = __k_sincosl(x, z, c);
else if (ix >= 0x7fff0000)
*s = *c = x - x; /* trig(Inf or NaN) is NaN */
else { /* argument reduction needed */
n = __rem_pio2l(x, y);
switch (n & 3) {
case 0:
*s = __k_sincosl(y[0], y[1], c);
break;
case 1:
*c = -__k_sincosl(y[0], y[1], s);
break;
case 2:
*s = -__k_sincosl(y[0], y[1], c);
*c = -*c;
break;
case 3:
*c = __k_sincosl(y[0], y[1], s);
*s = -*s;
break;
}
}
}
void
sincosl(long double x, long double *s, long double *c) {
long double y[2], z = 0.0L;
int n, ix;
#if defined(__i386) || defined(__amd64)
int *px = (int *) &x;
#endif
/* trig(Inf or NaN) is NaN */
if (!finitel(x)) {
*s = *c = x - x;
return;
}
/* High word of x. */
#if defined(__i386) || defined(__amd64)
XTOI(px, ix);
#else
ix = *(int *) &x;
#endif
/* |x| ~< pi/4 */
ix &= 0x7fffffff;
if (ix <= 0x3ffe9220)
*s = __k_sincosl(x, z, c);
/* argument reduction needed */
else {
n = __rem_pio2l(x, y);
switch (n & 3) {
case 0:
*s = __k_sincosl(y[0], y[1], c);
break;
case 1:
*c = -__k_sincosl(y[0], y[1], s);
break;
case 2:
*s = -__k_sincosl(y[0], y[1], c);
*c = -*c;
break;
case 3:
*c = __k_sincosl(y[0], y[1], s);
*s = -*s;
}
}
}