MathTypeLibrary(libmath++)  0.0.3
simplifier.h
1 // Math Type Library
3 // $Id: simplifier.h,v 1.6 2002/04/29 19:34:30 cparpart Exp $
4 // (This file contains the expression simplifier interface)
5 //
6 // Copyright (c) 2002 by Christian Parpart <cparpart@surakware.net>
7 //
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public License
19 // along with this library; see the file COPYING.LIB. If not, write to
20 // the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 // Boston, MA 02111-1307, USA.
23 #ifndef libmath_simplifier_h
24 #define libmath_simplifier_h
25 
26 #include <math++/visitor.h>
27 
28 namespace math {
29 
33 template<typename T>
34 class TSimplifier : public TNodeVisitor<T> {
35 public:
37  static TNode<T> *simplify(const TNode<T> *AExpression);
38 
39 private:
40  TNode<T> *FResult;
41 
42 private:
43  TSimplifier();
44 
46  T calculate(const TNode<T> *) const;
47 
48  virtual void visit(TNumberNode<T> *);
49  virtual void visit(TSymbolNode<T> *);
50  virtual void visit(TParamNode<T> *);
51 
52  virtual void visit(TPlusNode<T> *);
53  virtual void visit(TNegNode<T> *);
54 
55  virtual void visit(TMulNode<T> *);
56  virtual void visit(TDivNode<T> *);
57 
58  virtual void visit(TPowNode<T> *);
59  virtual void visit(TSqrtNode<T> *);
60 
61  virtual void visit(TSinNode<T> *);
62  virtual void visit(TCosNode<T> *);
63  virtual void visit(TTanNode<T> *);
64  virtual void visit(TLnNode<T> *);
65 
66  virtual void visit(TFuncNode<T> *);
67  virtual void visit(TIfNode<T> *);
68 
69  virtual void visit(TEquNode<T> *);
70  virtual void visit(TUnEquNode<T> *);
71  virtual void visit(TGreaterNode<T> *);
72  virtual void visit(TLessNode<T> *);
73  virtual void visit(TGreaterEquNode<T> *);
74  virtual void visit(TLessEquNode<T> *);
75 };
76 
77 } // namespace math
78 
79 #include <math++/simplifier.tcc>
80 
81 #endif
static TNode< T > * simplify(const TNode< T > *AExpression)
Simplifies given expression and returns its result.