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add PTRACE_PEEKSIGINFO to ptrace.h
[musl]
/
src
/
math
/
sincosl.c
diff --git
a/src/math/sincosl.c
b/src/math/sincosl.c
index
e14129a
..
5db69bd
100644
(file)
--- a/
src/math/sincosl.c
+++ b/
src/math/sincosl.c
@@
-1,38
+1,38
@@
+#define _GNU_SOURCE
#include "libm.h"
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
void sincosl(long double x, long double *sin, long double *cos)
{
#include "libm.h"
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
void sincosl(long double x, long double *sin, long double *cos)
{
- double s, c;
- sincos(x, &s, &c);
- *sin = s;
- *cos = c;
+ sincos(x, (double *)sin, (double *)cos);
}
#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
void sincosl(long double x, long double *sin, long double *cos)
{
union IEEEl2bits u;
}
#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
void sincosl(long double x, long double *sin, long double *cos)
{
union IEEEl2bits u;
-
int
n;
+
unsigned
n;
long double y[2], s, c;
u.e = x;
u.bits.sign = 0;
long double y[2], s, c;
u.e = x;
u.bits.sign = 0;
- /* x = +-0 or subnormal */
- if (!u.bits.exp) {
- *sin = x;
- *cos = 1.0;
- return;
- }
-
/* x = nan or inf */
if (u.bits.exp == 0x7fff) {
*sin = *cos = x - x;
return;
}
/* x = nan or inf */
if (u.bits.exp == 0x7fff) {
*sin = *cos = x - x;
return;
}
- /* |x| < pi/4 */
+ /* |x| <
(double)
pi/4 */
if (u.e < M_PI_4) {
if (u.e < M_PI_4) {
+ /* |x| < 0x1p-64 */
+ if (u.bits.exp < 0x3fff - 64) {
+ /* raise underflow if subnormal */
+ if (u.bits.exp == 0) FORCE_EVAL(x*0x1p-120f);
+ *sin = x;
+ /* raise inexact if x!=0 */
+ *cos = 1.0 + x;
+ return;
+ }
*sin = __sinl(x, 0, 0);
*cos = __cosl(x, 0);
return;
*sin = __sinl(x, 0, 0);
*cos = __cosl(x, 0);
return;