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ntdll: Use the sin() implementation from the bundled musl library.

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Alexandre Julliard 2023-04-10 18:35:38 +02:00
parent 1546ef3015
commit aa4d70b5dc
2 changed files with 6 additions and 41 deletions
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2
dlls/ntdll/Makefile.in
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@ -2,7 +2,7 @@ EXTRADEFS = -D_NTSYSTEM_ -D_ACRTIMP= -DWINBASEAPI=
MODULE = ntdll.dll
UNIXLIB = ntdll.so
IMPORTLIB = ntdll
IMPORTS = winecrt0
IMPORTS = $(MUSL_PE_LIBS) winecrt0
UNIX_CFLAGS = $(UNWIND_CFLAGS)
UNIX_LIBS = $(IOKIT_LIBS) $(COREFOUNDATION_LIBS) $(CORESERVICES_LIBS) $(RT_LIBS) $(PTHREAD_LIBS) $(UNWIND_LIBS) $(I386_LIBS) $(PROCSTAT_LIBS)

45
dlls/ntdll/math.c
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@ -42,6 +42,11 @@
#define WIN32_NO_STATUS
#include "ntdll_misc.h"
double math_error( int type, const char *name, double arg1, double arg2, double retval )
{
return retval;
}
/* Copied from musl: src/internal/libm.h */
static inline float fp_barrierf(float x)
{
@ -1818,46 +1823,6 @@ double CDECL pow( double x, double y )
return pow_exp(x, y, ehi, elo, sign_bias);
}
/*********************************************************************
* sin (NTDLL.@)
*
* Copied from musl: src/math/sin.c
*/
double CDECL sin( double x )
{
double y[2];
UINT32 ix;
unsigned n;
ix = *(ULONGLONG*)&x >> 32;
ix &= 0x7fffffff;
/* |x| ~< pi/4 */
if (ix <= 0x3fe921fb) {
if (ix < 0x3e500000) { /* |x| < 2**-26 */
/* raise inexact if x != 0 and underflow if subnormal*/
fp_barrier(ix < 0x00100000 ? x/0x1p120f : x+0x1p120f);
return x;
}
return __sin(x, 0.0, 0);
}
/* sin(Inf or NaN) is NaN */
if (isinf(x))
return x - x;
if (ix >= 0x7ff00000)
return x - x;
/* argument reduction needed */
n = __rem_pio2(x, y);
switch (n&3) {
case 0: return __sin(y[0], y[1], 1);
case 1: return __cos(y[0], y[1]);
case 2: return -__sin(y[0], y[1], 1);
default: return -__cos(y[0], y[1]);
}
}
/*********************************************************************
* sqrt (NTDLL.@)
*