func DecodeFloat32(bz []byte) (f float32, n int, err error) {
	const size int = 4
	if len(bz) < size {
		err = errors.New("EOF decoding float32")
		return
	}
	i := binary.LittleEndian.Uint32(bz[:size])
	f = math.Float32frombits(i)
	n = size
	return
}
func DecodeFloat32(bz []byte) (f float32, n int, err error) {
	const size int = 4
	if len(bz) < size {
		err = errors.New("EOF decoding float32")
		return
	}
	i := binary.LittleEndian.Uint32(bz[:size])
	f = math.Float32frombits(i)
	n = size
	return
}
// NOTE: UNSAFE