Function getInnerProduct

tests/utils/linalg.cpp:208–217

qcomp getInnerProduct(qvector bra, qvector ket) {
    DEMAND( bra.size() == ket.size() );

    qcomp out = 0;

    for (size_t i=0; i<bra.size(); i++)
        out += std::conj(bra[i]) * ket[i];

    return out;
}


qmatrix getOuterProduct(qvector ket, qvector bra) {