Merged in feature/dirac_discr (pull request #17) Add multi-d dirac discretization with tests Approved-by: Vidar Stiernström <vidar.stiernstrom@it.uu.se> Approved-by: Martin Almquist <malmquist@stanford.edu> Approved-by: Jonatan Werpers <jonatan.werpers@it.uu.se>

function print_issparse(A)
    warning('Deprecated! Use printExpr() instead!');
    b = issparse(A);
    if b
        s = 'true';
    else
        s = 'false';
    end
    fprintf('%8s is sparse: %s\n',inputname(1),s);
end