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- #ifndef NODE_H
- #define NODE_H
-
- #include <cmath>
- #include <iostream>
-
- #include "graph.h"
- #include "mor.h"
- #include "dor.h"
- #include "por.h"
-
- class Node {
- private:
- double value;
- long int uid;
-
- double gradient_recursive(Graph* graph, const long int& current_uid, const long int& stop_uid) const;
-
- public:
- Node(const double& value=0);
- Node(const Node& node);
-
- static Node monadic_operation(const Node& n, MonadicOperationResult (*)(const double&));
- static Node dyadic_operation(const Node& l, const Node& r, DyadicOperationResult (*)(const double&, const double&));
- static Node polyadic_operation(const std::vector<Node>& nodes, PolyadicOperationResult (*)(const std::vector<double>&));
-
- double gradient(const Node& node) const;
- std::vector<double> gradient(const std::vector<Node>& nodes) const;
- std::vector<std::vector<double> > gradient(const std::vector<std::vector<Node> >& nodes) const;
-
- friend Node operator+(const Node& l, const Node& r);
- friend Node operator-(const Node& l, const Node& r);
- friend Node operator*(const Node& l, const Node& r);
- friend Node operator/(const Node& l, const Node& r);
-
- Node& operator+=(const Node& r);
- Node& operator-=(const Node& r);
- Node& operator*=(const Node& r);
- Node& operator/=(const Node& r);
-
- friend bool operator==(const Node& l, const Node& r);
- friend bool operator<(const Node& l, const Node& r);
- friend bool operator>(const Node& l, const Node& r);
- friend bool operator<=(const Node& l, const Node& r);
- friend bool operator>=(const Node& l, const Node& r);
-
- friend Node sin(const Node& x);
- friend Node cos(const Node& x);
- friend Node tan(const Node& x);
- friend Node sinh(const Node& x);
- friend Node cosh(const Node& x);
- friend Node tanh(const Node& x);
- friend Node asin(const Node& x);
- friend Node acos(const Node& x);
- friend Node atan(const Node& x);
-
- friend Node log(const Node& x, const Node& base);
- friend Node log10(const Node& x);
- friend Node ln(const Node& x);
-
- friend Node pow(const Node& x, const Node& p);
- friend Node exp(const Node& x);
- friend Node sqrt(const Node& x);
-
- friend Node abs(const Node& x);
- friend Node min(const Node& l, const Node& r);
- friend Node max(const Node& l, const Node& r);
-
- friend std::ostream& operator<<(std::ostream& os, const Node& node);
- };
-
- #endif /* end of include guard: NODE_H */
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