Function getZeroMatrix

tests/utils/qmatrix.cpp:18–22

 */

qmatrix getZeroMatrix(size_t dim) {
    DEMAND( dim >= 1 );

    return qmatrix(dim, qvector(dim, 0));
}

qmatrix getConstantMatrix(size_t dim, qcomp elem) {
    DEMAND( dim >= 1 );