1 files changed, 52 insertions, 0 deletions
diff --git a/src/boost/libs/yap/example/autodiff_library/UaryOPNode.h b/src/boost/libs/yap/example/autodiff_library/UaryOPNode.h
new file mode 100644
index 000000000..241cd9928
--- /dev/null
+++ b/src/boost/libs/yap/example/autodiff_library/UaryOPNode.h
@@ -0,0 +1,52 @@
+/*
+ * 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_ */