static PyObject* LPX_solver_interior(LPXObject *self) {
int retval = lpx_interior(LP);
int status = glp_ipt_status(LP);
if (retval != LPX_E_FAULT)
self->last_solver = 1;
if (retval == LPX_E_OK && status != GLP_OPT)
return glpstatus2string(status);
else
return solver_retval_to_message(retval);
}
static PyObject* LPX_getstatus(LPXObject *self, void *closure) {
int status;
switch (self->last_solver) {
case -1:
case 0: status=glp_get_status(LP); break;
case 1: status=glp_ipt_status(LP); break;
case 2: status=glp_mip_status(LP); break;
default:
PyErr_SetString(PyExc_RuntimeError,
"bad internal state for last solver identifier");
return NULL;
}
return glpstatus2string(status);
}
static PyObject* LPX_getspecstatus(LPXObject *self, int(*statfunc)(LPX*)) {
return glpstatus2string(statfunc(LP));
}
