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

Thank you for the bug report.

Could you please provide the following information:

a) which version of glpk you are using? (Just type 'glpsol -v'.)

b) which glpk api routines were called since the last successful call
   to glp_simplex (or lpx_simplex, or lpx_warm_up)?