static KKTObject* LPX_kktint(LPXObject *self) {
KKTObject *kkt = KKT_New();
if (!kkt)
return NULL;
lpx_check_int(LP, &(kkt->kkt));
return kkt;
}
static KKTObject* LPX_kkt(LPXObject *self, PyObject *args) {
// Cannot get for undefined primal or dual.
if (glp_get_prim_stat(LP)==GLP_UNDEF ||
glp_get_dual_stat(LP)==GLP_UNDEF) {
PyErr_SetString(PyExc_RuntimeError, "cannot get KKT when primal or dual "
"basic solution undefined");
return NULL;
}
// Check the Python arguments.
int scaling = 0;
PyObject *arg = NULL;
if (!PyArg_ParseTuple(args, "|O", &arg)) return NULL;
scaling = ((arg==NULL) ? 0 : PyObject_IsTrue(arg));
if (scaling == -1) return NULL;
// OK, all done with those checks. Now get the KKT condition.
KKTObject *kkt = KKT_New();
if (!kkt) return NULL;
lpx_check_kkt(LP, scaling, &(kkt->kkt));
return kkt;
}
