Function gfor

test/triangle.cpp:162–162

    array B   = constant(0, 100, 100, 3);

    gfor(seq ii, 3) { B(span, span, ii) = lower(A(span, span, ii)); }

    for (int ii = 0; ii < 3; ii++) {
        array c_ii = lower(A(span, span, ii));