1 /* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/base/scalarvalue.h,v 1.9 2017/01/12 14:46:10 masarati Exp $ */
2 /*
3  * MBDyn (C) is a multibody analysis code.
4  * http://www.mbdyn.org
5  *
6  * Copyright (C) 1996-2017
7  *
8  * Pierangelo Masarati	<masarati@aero.polimi.it>
9  * Paolo Mantegazza	<mantegazza@aero.polimi.it>
10  *
11  * Dipartimento di Ingegneria Aerospaziale - Politecnico di Milano
12  * via La Masa, 34 - 20156 Milano, Italy
13  * http://www.aero.polimi.it
14  *
15  * Changing this copyright notice is forbidden.
16  *
17  * This program is free software; you can redistribute it and/or modify
18  * it under the terms of the GNU General Public License as published by
19  * the Free Software Foundation (version 2 of the License).
20  *
21  *
22  * This program is distributed in the hope that it will be useful,
23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
25  * GNU General Public License for more details.
26  *
27  * You should have received a copy of the GNU General Public License
28  * along with this program; if not, write to the Free Software
29  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
30  */
31 
32 #ifndef SCALARVALUE_H
33 #define SCALARVALUE_H
34 
35 #include "elem.h"
36 
37 /* ScalarValue - begin */
38 
39 class ScalarValue {
40 public:
41 	virtual ~ScalarValue(void);
42 	virtual doublereal dGetValue(void) const = 0;
43 };
44 
45 class ScalarDofValue : public ScalarValue, public ScalarDof {
46 public:
47 	ScalarDofValue(const ScalarDof& sd);
48 	doublereal dGetValue(void) const;
49 };
50 
51 class ScalarDriveValue : public ScalarValue {
52 protected:
53 	const DriveCaller *pDC;
54 
55 public:
56 	ScalarDriveValue(const DriveCaller *pdc);
57 	~ScalarDriveValue(void);
58 	doublereal dGetValue(void) const;
59 };
60 
61 class DataManager;
62 class MBDynParser;
63 
64 extern ScalarValue *
65 ReadScalarValue(DataManager *pDM, MBDynParser& HP);
66 
67 extern void
68 ReadScalarValues(DataManager *pDM, MBDynParser& HP,
69 	std::vector<ScalarValue *>& Values);
70 
71 /* ScalarValue - end */
72 
73 #endif /* SCALARVALUE_H */
74 
75