@property<EOL><INDENT>def unbounded(self):<DEDENT>
self._check_valid()<EOL>if self._ret_val != <NUM_LIT:0>:<EOL><INDENT>return self._ret_val == swiglpk.GLP_ENODFS<EOL><DEDENT>return swiglpk.glp_get_status(self._problem._p) == swiglpk.GLP_UNBND<EOL>
Whether solution is unbounded