float32_unpack()

static float fl::third_party::vorbis::float32_unpack ( uint32 x )

static

Definition at line 787 of file stb_vorbis.cpp.hpp.

{
   // from the specification
   uint32 mantissa = x & 0x1fffff;
   uint32 sign = x & 0x80000000;
   uint32 exp = (x & 0x7fe00000) >> 21;
   double res = sign ? -(double)mantissa : (double)mantissa;
   return (float) ldexp((float)res, (int32_t)exp-788);
}

References exp(), FL_NOEXCEPT, ldexp(), fl::sign(), and fl::x.

Referenced by start_decoder().

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