//@code
objref m
m = new Matrix(4,5)
for i=0, m.nrow-1 for j=0, m.ncol-1 m.x[i][j] = 1 + 10*j + 100*i
m.printf
for i=-m.nrow+1, m.ncol-1 {
	printf("diagonal %d: ", i)
	m.getdiag(i).printf
}