***BOGO*** Re: [Mingw-msys] floating point bug

[selinger@xxxxxxxxxxxxxxx (Peter Selinger)]

Hi,

I am not sure if this list is the correct place for bug reports.  
I found the following code in the floating point library
newlib/libm/mathfp/sf_isinf.c:

int isinff (float x)
{
  __uint32_t wx;
  int exp;

  GET_FLOAT_WORD (wx, x);
  exp = (wx & 0x7f800000) >> 23;

  if ((exp == 0x7f8) && !(wx & 0xf0000))
    return (1);
  else
    return (0);
}

Note that exp can never equal 0x7f8, so this function always returns 0.
What was probably meant was either >> 20, or exp == 0xff.

-- Peter

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