return e
}

// Select sets v to a if cond == 1, and to b if cond == 0.
func (v *P384Element) Select(a, b *P384Element, cond int) *P384Element {
	p384Selectznz((*p384UntypedFieldElement)(&v.x), p384Uint1(cond),
		(*p384UntypedFieldElement)(&b.x), (*p384UntypedFieldElement)(&a.x))
	return v
}

func p384InvertEndianness(v []byte) {
	for i := 0; i < len(v)/2; i++ {
		v[i], v[len(v)-1-i] = v[len(v)-1-i], v[i]