Function getExponentialOfDiagonalMatrix

tests/utils/linalg.cpp:336–345

qmatrix getExponentialOfDiagonalMatrix(qmatrix m) {
    DEMAND( isDiagonal(m) );

    qmatrix out = getZeroMatrix(m.size());

    for (size_t i=0; i<m.size(); i++)
        out[i][i] = std::exp(m[i][i]);

    return out;
}


qmatrix getExponentialOfPauliMatrix(qcomp arg, qmatrix m) {