Hello,

I think in the code :

 case LPX_E_INSTAB:
            if (spx->msg_lev >= 2)
               print(prefix "numerical instability (primal simplex, pha"
                  "se II)");
            goto feas;

of the routine GLPSPX2 the last statement causes a loop (the routine doesn't
return). I replaced this statement by ' goto done ' and then it worked.

Dietrich Tent

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