All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Pages
constant_function.h
1 /* Copyright (C) 2004-2014 MBSim Development Team
2  *
3  * This library is free software; you can redistribute it and/or
4  * modify it under the terms of the GNU Lesser General Public
5  * License as published by the Free Software Foundation; either
6  * version 2.1 of the License, or (at your option) any later version.
7  *
8  * This library is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11  * Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public
14  * License along with this library; if not, write to the Free Software
15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16  *
17  * Contact: martin.o.foerg@gmail.com
18  */
19 
20 #ifndef _CONSTANT_FUNCTION_H_
21 #define _CONSTANT_FUNCTION_H_
22 
23 #include "mbsim/functions/function.h"
24 
25 namespace MBSim {
26 
27  template<typename Sig> class ConstantFunction;
28 
29  template<typename Ret, typename Arg>
30  class ConstantFunction<Ret(Arg)> : public Function<Ret(Arg)> {
32  protected:
33  double a0;
34  public:
35  ConstantFunction(double a0_=0) : a0(a0_) {}
36  int getArgSize() const { return 1; }
37  Ret operator()(const Arg &x) { return FromDouble<Ret>::cast(a0); }
38  typename B::DRetDArg parDer(const Arg &x) { return FromDouble<Ret>::cast(0); }
39  typename B::DRetDArg parDerDirDer(const Arg &xDir, const Arg &x) { return FromDouble<Ret>::cast(0); }
40  Ret parDerParDer(const double &x) { return FromDouble<Ret>::cast(0); }
41  void initializeUsingXML(xercesc::DOMElement *element) {
42  xercesc::DOMElement *e=MBXMLUtils::E(element)->getFirstElementChildNamed(MBSIM%"a0");
43  a0=Element::getDouble(e);
44  }
45  };
46 
47 }
48 
49 #endif
Definition: constant_function.h:27
Definition: utils.h:197
Definition: planar_contour.h:31

Impressum / Disclaimer / Datenschutz Generated by doxygen 1.8.5 Valid HTML