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msvcrt: Use the __expo2()/__expo2f() implementation from the bundled musl library.

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This commit is contained in:
Alexandre Julliard 2023-04-03 17:39:15 +02:00
parent c53bd233f0
commit bbc8c34735
1 changed files with 2 additions and 19 deletions
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21
dlls/msvcrt/math.c
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@ -983,16 +983,7 @@ float CDECL cosf( float x )
}
}
/* Copied from musl: src/math/__expo2f.c */
static float __expo2f(float x, float sign)
{
static const int k = 235;
static const float kln2 = 0x1.45c778p+7f;
float scale;
*(UINT32*)&scale = (UINT32)(0x7f + k/2) << 23;
return expf(x - kln2) * (sign * scale) * scale;
}
extern float __expo2f(float x, float sign);
/*********************************************************************
* coshf (MSVCRT.@)
@ -2237,15 +2228,7 @@ double CDECL cos( double x )
}
}
static double __expo2(double x, double sign)
{
static const int k = 2043;
static const double kln2 = 0x1.62066151add8bp+10;
double scale;
*(UINT64*)&scale = (UINT64)(0x3ff + k / 2) << 52;
return exp(x - kln2) * (sign * scale) * scale;
}
extern double __expo2(double x, double sign);
/*********************************************************************
* cosh (MSVCRT.@)