yap/example/autodiff_library/UaryOPNode.h

53 lines
1.3 KiB
C++

/*
* UaryOPNode.h
*
* Created on: 6 Nov 2013
* Author: s0965328
*/
#ifndef UARYOPNODE_H_
#define UARYOPNODE_H_
#include "OPNode.h"
namespace AutoDiff {
class UaryOPNode: public OPNode {
public:
static OPNode* createUnaryOpNode(OPCODE op, Node* left);
virtual ~UaryOPNode();
void inorder_visit(int level,ostream& oss);
void collect_vnodes(boost::unordered_set<Node*> & nodes,unsigned int& total);
void eval_function();
void grad_reverse_0();
void grad_reverse_1();
#if FORWARD_ENABLED
void hess_forward(unsigned int len, double** ret_vec);
#endif
unsigned int hess_reverse_0();
void hess_reverse_0_init_n_in_arcs();
void hess_reverse_0_get_values(unsigned int i,double& x, double& x_bar, double& w, double& w_bar);
void hess_reverse_1(unsigned int i);
void hess_reverse_1_init_x_bar(unsigned int);
void update_x_bar(unsigned int, double v);
void update_w_bar(unsigned int, double v);
void hess_reverse_1_get_xw(unsigned int, double&,double&);
void hess_reverse_get_x(unsigned int,double& x);
void hess_reverse_1_clear_index();
void nonlinearEdges(EdgeSet&);
string toString(int level);
private:
UaryOPNode(OPCODE op, Node* left);
void calc_eval_function();
void calc_grad_reverse_0();
void hess_forward_calc0(unsigned int& len, double* lvec,double* ret_vec);
};
} /* namespace AutoDiff */
#endif /* UARYOPNODE_H_ */