Re: [Bug-glpk] Error delete column

[Andrew Makhorin]

> When I delete columns, I obtain this message:

> GLPK internal error: 1 <= k && k <= m; file glpapi01.c, line 1115

> But, columns are non-basic

> Why? 

> I had obtained this error in july 2007:

> http://www.nabble.com/Error-delete-column-td11391062.html#a11391062

> Actually, I use GLPK 4.25 and this correction is present in this version

Additionally, to help me to catch the bug, please insert the
following statements immediately before the call to glp_del_cols
causing the bug:

   printf("m = %d\n", glp_get_num_rows(lp));
   printf("n = %d\n", glp_get_num_cols(lp));
   printf("valid = %d\n", glp_bf_exists(lp));
   printf("ret = %d\n", glp_factorize(lp));

and post me the log.

Thank you.