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msvcrt: Import ceilf implementation from musl. 

Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Piotr Caban 2021-05-17 15:38:08 +02:00 committed by Alexandre Julliard
parent 2a5e68ab80
commit bba43bd6da
3 changed files with 22 additions and 11 deletions
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23
dlls/msvcrt/math.c
View File

@ -798,10 +798,31 @@ float CDECL tanhf( float x )
/*********************************************************************
* ceilf (MSVCRT.@)
*
* Copied from musl: src/math/ceilf.c
*/
float CDECL ceilf( float x )
{
return unix_funcs->ceilf(x);
union {float f; UINT32 i;} u = {x};
int e = (int)(u.i >> 23 & 0xff) - 0x7f;
UINT32 m;
if (e >= 23)
return x;
if (e >= 0) {
m = 0x007fffff >> e;
if ((u.i & m) == 0)
return x;
if (u.i >> 31 == 0)
u.i += m;
u.i &= ~m;
} else {
if (u.i >> 31)
return -0.0;
else if (u.i << 1)
return 1.0;
}
return u.f;
}
/*********************************************************************

9
dlls/msvcrt/unixlib.c
View File

@ -121,14 +121,6 @@ static float CDECL unix_atanhf(float x)
#endif
}
/*********************************************************************
* ceilf
*/
static float CDECL unix_ceilf( float x )
{
return ceilf( x );
}
/*********************************************************************
* cos
*/
@ -705,7 +697,6 @@ static const struct unix_funcs funcs =
unix_asinhf,
unix_atanh,
unix_atanhf,
unix_ceilf,
unix_cos,
unix_cosf,
unix_cosh,

1
dlls/msvcrt/unixlib.h
View File

@ -29,7 +29,6 @@ struct unix_funcs
float (CDECL *asinhf)(float x);
double (CDECL *atanh)(double x);
float (CDECL *atanhf)(float x);
float (CDECL *ceilf)(float x);
double (CDECL *cos)(double x);
float (CDECL *cosf)(float x);
double (CDECL *cosh)(double x);