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msvcrt: Use the trunc()/truncf() implementation from the bundled musl library.

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This commit is contained in:
Alexandre Julliard 2023-04-03 15:35:27 +02:00
parent 15b50e98a4
commit 0900667876
1 changed files with 0 additions and 44 deletions
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44
dlls/msvcrt/math.c
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@ -8482,50 +8482,6 @@ __int64 CDECL llroundf(float x)
return f;
}
/*********************************************************************
* trunc (MSVCR120.@)
*
* Copied from musl: src/math/trunc.c
*/
double CDECL trunc(double x)
{
union {double f; UINT64 i;} u = {x};
int e = (u.i >> 52 & 0x7ff) - 0x3ff + 12;
UINT64 m;
if (e >= 52 + 12)
return x;
if (e < 12)
e = 1;
m = -1ULL >> e;
if ((u.i & m) == 0)
return x;
u.i &= ~m;
return u.f;
}
/*********************************************************************
* truncf (MSVCR120.@)
*
* Copied from musl: src/math/truncf.c
*/
float CDECL truncf(float x)
{
union {float f; UINT32 i;} u = {x};
int e = (u.i >> 23 & 0xff) - 0x7f + 9;
UINT32 m;
if (e >= 23 + 9)
return x;
if (e < 9)
e = 1;
m = -1U >> e;
if ((u.i & m) == 0)
return x;
u.i &= ~m;
return u.f;
}
/*********************************************************************
* _dtest (MSVCR120.@)
*/