code: func compareFloat64PrecisionLoss(x, y float64) int {
  	if x-y < floatEpsilon && y-x < floatEpsilon {
  		return 0
  	} else if x-y < 0 {
  		return -1
  	}
  	return 1
  }
docs: // compareFloat64 returns an integer comparing the float64 x to y,
  // allowing precision loss.