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msvcrt: Use the sinhf() implementation from the bundled musl library.
With the changes from 4fd9daea4a
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248a17377c
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@ -983,8 +983,6 @@ float CDECL cosf( float x )
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}
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}
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extern float __expo2f(float x, float sign);
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/*********************************************************************
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* expf (MSVCRT.@)
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*/
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@ -1277,40 +1275,6 @@ float CDECL sinf( float x )
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}
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}
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/*********************************************************************
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* sinhf (MSVCRT.@)
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*/
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float CDECL sinhf( float x )
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{
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UINT32 ui = *(UINT32*)&x;
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float t, h, absx;
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h = 0.5;
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if (ui >> 31)
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h = -h;
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/* |x| */
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ui &= 0x7fffffff;
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absx = *(float*)&ui;
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/* |x| < log(FLT_MAX) */
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if (ui < 0x42b17217) {
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t = expm1f(absx);
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if (ui < 0x3f800000) {
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if (ui < 0x3f800000 - (12 << 23))
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return x;
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return h * (2 * t - t * t / (t + 1));
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}
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return h * (t + t / (t + 1));
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}
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/* |x| > logf(FLT_MAX) or nan */
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if (ui > 0x7f800000)
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*(DWORD*)&t = *(DWORD*)&x | 0x400000;
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else
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t = __expo2f(absx, 2 * h);
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return t;
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}
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static BOOL sqrtf_validate( float *x )
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{
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short c = _fdclass(*x);
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@ -3,6 +3,7 @@
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float __cdecl sinhf(float x)
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{
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union {float f; uint32_t i;} u = {.f = x};
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uint32_t sign = u.i & 0x80000000;
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uint32_t w;
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float t, h, absx;
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@ -26,6 +27,10 @@ float __cdecl sinhf(float x)
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}
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/* |x| > logf(FLT_MAX) or nan */
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if (w > 0x7f800000) {
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u.i = w | sign | 0x400000;
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return u.f;
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}
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t = __expo2f(absx, 2*h);
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return t;
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}
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