% myprog [ 0.000000000000E+00 1.000000000000E+00 2.000000000000E+00 ] [ 3.000000000000E+00 4.000000000000E+00 5.000000000000E+00 ] [ 6.000000000000E+00 7.000000000000E+00 8.000000000000E+00 ] Use of uninitialized value in print at myprog line 34.