XKTR_PARAM_OUTLEV

0 

(none) Printing of all output is suppressed.

1 

(summary) Print only summary information.

2 

(iter_10) Print basic information every 10 iterations.

3 

(iter) Print basic information at each iteration.

4 

(iter_verbose) Print basic information and the function count at each iteration.

5 

(iter_x) Print all the above, and the values of the solution vector x.

6 

(all) Print all the above, and the values of the constraints c at x and the Lagrange multipliers lambda.