1cimport numpy as np 2 3cdef extern from "ICbcNode.hpp": 4 cdef cppclass CppICbcNode "ICbcNode": 5 int depth() 6 int numberUnsatisfied() 7 double sumInfeasibilities() 8 bint active() 9 bint onTree() 10 double objectiveValue() 11 bint breakTie(CppICbcNode* y) 12 13cdef class CyCbcNode: 14 cdef CppICbcNode* CppSelf 15 cdef setCppSelf(self, CppICbcNode* cbcnode) 16