Function NewDecoder

coder/arith/encoding.go:48–58

(data []byte)

}

func NewDecoder(data []byte) *Decoder {
	dec := &Decoder{lo: 0, hi: ^uint32(0)}
	dec.data = data

	for i := 0; i < 4; i++ {
		dec.code = dec.code<<8 | uint32(dec.data[dec.read])
		dec.read++
	}

	return dec
}

func (dec *Decoder) Decode(prob P) (bit uint) {
	x := prob.midpoint32(dec.lo, dec.hi)