dtree.h

人智算法基本程序

/* DTree.H
 *
 * The DTree class holds the entire decision tree. You can
 * add items to the tree, and fetch matching elements.
 */

/*
 * Copyright 1994, Brown University, Providence, RI
 * See end of file for full copyright information
 */

class Formula;
class Node;
class DTree {
   Node *root;         // The root node of the the decision tree

   void add(Formula *formula);    // Add this formula to the decision tree
   void fetch(Formula *formula);  // fetch all matching formulas from the tree

public:
   static Formula *results;  // A list of formulas that match the fetch formula
   static void add_result(Formula *formula);  // Add a result to the linked list

   DTree(char filename[]);   // Construct a DTree given an input filename
   ~DTree();                 // Destroy the DTree
};

/*
 * Copyright 1994, Brown University, Providence, RI
 *
 * Permission to use and modify this software and its documentation for
 * any purpose other than its incorporation into a commercial product is
 * hereby granted without fee.  Permission to copy and distribute this
 * software and its documentation only for non-commercial use is also
 * granted without fee, provided, however, that the above copyright notice
 * appear in all copies, that both that copyright notice and this permission
 * notice appear in supporting documentation, that the name of Brown
 * University not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission,
 * and that the person doing the distribution notify Brown University of
 * such distributions outside of his or her organization. Brown University
 * makes no representations about the suitability of this software for
 * any purpose.  It is provided "as is" without express or implied warranty.
 * Brown University requests notification of any modifications to this
 * software or its documentation.
 *
 * Send the following redistribution information:
 *
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 *
 * To:
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 *	Providence, RI 02912
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 */