// rather than happen on the heap.
	var out [p384ElementLen]byte
	return e.bytes(&out)
}

func (e *P384Element) bytes(out *[p384ElementLen]byte) []byte {
	var tmp p384NonMontgomeryDomainFieldElement
	p384FromMontgomery(&tmp, &e.x)
	p384ToBytes(out, (*p384UntypedFieldElement)(&tmp))
	p384InvertEndianness(out[:])
	return out[:]
}