JSBSim Flight Dynamics Model  1.0 (02 March 2017)
An Open Source Flight Dynamics and Control Software Library in C++
FGParameter.h
1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2 
3 Header: FGParameter.h
4 Author: Jon Berndt
5 Date started: August 25 2004
6 
7  ------------- Copyright (C) 2001 Jon S. Berndt (jon@jsbsim.org) -------------
8 
9  This program is free software; you can redistribute it and/or modify it under
10  the terms of the GNU Lesser General Public License as published by the Free Software
11  Foundation; either version 2 of the License, or (at your option) any later
12  version.
13 
14  This program is distributed in the hope that it will be useful, but WITHOUT
15  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
17  details.
18 
19  You should have received a copy of the GNU Lesser General Public License along with
20  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21  Place - Suite 330, Boston, MA 02111-1307, USA.
22 
23  Further information about the GNU Lesser General Public License can also be found on
24  the world wide web at http://www.gnu.org.
25 
26 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
27 SENTRY
28 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
29 
30 #ifndef FGPARAMETER_H
31 #define FGPARAMETER_H
32 
33 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
34 INCLUDES
35 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
36 
37 #include "FGJSBBase.h"
38 
39 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
40 DEFINITIONS
41 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
42 
43 #define ID_PARAMETER "$Id: FGParameter.h,v 1.6 2011/04/05 20:20:21 andgi Exp $"
44 
45 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
46 FORWARD DECLARATIONS
47 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
48 
49 namespace JSBSim {
50 
51 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
52 CLASS DOCUMENTATION
53 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
54 
59 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60 DECLARATION: FGParameter
61 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
62 
63 class FGParameter : public FGJSBBase
64 {
65 public:
66  virtual ~FGParameter(void) {};
67  virtual double GetValue(void) const = 0;
68  virtual std::string GetName(void) const = 0;
69 
70  // SGPropertyNode impersonation.
71  double getDoubleValue(void) const { return GetValue(); }
72 
73 protected:
74 };
75 
76 } // namespace JSBSim
77 
78 #endif
JSBSim::FGParameter
Represents various types of parameters.
Definition: FGParameter.h:63
JSBSim::FGJSBBase
JSBSim Base class.
Definition: FGJSBBase.h:80