append(buf, byte(word)) word >>= 8 } } v.SetBytes(buf[:32]) return v } func (v *Element) fromDecimal(s string) *Element { n, ok := new(big.Int).SetString(s, 10) if !ok { panic("not a valid decimal: " + s) } return v.fromBig(n) } // toBig returns v as a big.Int. func (v *Element) toBig() *big.Int { buf := v.Bytes() words := make([]big.Word, 32*8/bits.UintSize) for n := range words { for i := 0; i < bits.UintSize; i += 8 { if len(buf) == 0 { break } words[n] |= big.Word(buf[0]) << big.Word(i) buf = buf[1:]...