Function DoubleToUint32

libs/coding/point_coding.cpp:20–38

}  // namespace

uint32_t DoubleToUint32(double x, double min, double max, uint8_t coordBits)
{
  ASSERT_LESS_OR_EQUAL(min, max, ());

  double const coordSize = CoordSize(coordBits);

  // Expand checks to avoid NANs when min == max.
  double d;
  if (x <= min)
    d = 0;
  else if (x >= max)
    d = coordSize;
  else
    d = (x - min) / (max - min) * coordSize;

  // Check in case of NANs.
  ASSERT(d >= 0 && d <= coordSize, (d, x, min, max, coordBits));
  return static_cast<uint32_t>(0.5 + d);
}

double Uint32ToDouble(uint32_t x, double min, double max, uint8_t coordBits)
{