/usr/include/simbody/simbody/internal/ForceSubsystemGuts.h is in libsimbody-dev 3.5.4+dfsg-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | #ifndef SimTK_SIMBODY_FORCE_SUBSYSTEM_GUTS_H
#define SimTK_SIMBODY_FORCE_SUBSYSTEM_GUTS_H
/* -------------------------------------------------------------------------- *
* Simbody(tm) *
* -------------------------------------------------------------------------- *
* This is part of the SimTK biosimulation toolkit originating from *
* Simbios, the NIH National Center for Physics-Based Simulation of *
* Biological Structures at Stanford, funded under the NIH Roadmap for *
* Medical Research, grant U54 GM072970. See https://simtk.org/home/simbody. *
* *
* Portions copyright (c) 2005-12 Stanford University and the Authors. *
* Authors: Michael Sherman *
* Contributors: *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); you may *
* not use this file except in compliance with the License. You may obtain a *
* copy of the License at http://www.apache.org/licenses/LICENSE-2.0. *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* -------------------------------------------------------------------------- */
/** @file
* Define the extendable library-side implementation of the ForceSubsystem.
*/
#include "SimTKcommon.h"
#include "simbody/internal/common.h"
#include "simbody/internal/MultibodySystem.h"
namespace SimTK {
/// Public declaration of internals for ForceSubsystem extension
class ForceSubsystem::Guts : public Subsystem::Guts {
public:
Guts(const String& name, const String& version)
: Subsystem::Guts(name,version)
{
}
// Make sure the virtual destructor in Subsystem::Guts remains
// virtual in this intermediate class.
virtual ~Guts() { }
// All the other Subsystem::Guts virtuals remain unresolved.
// Return the MultibodySystem which owns this ForceSubsystem.
const MultibodySystem& getMultibodySystem() const {
return MultibodySystem::downcast(getSystem());
}
/// Get this subsystem's contribution to the potential energy. The state must
/// be at Dynamics stage or later.
virtual Real calcPotentialEnergy(const State& state) const = 0;
SimTK_DOWNCAST(ForceSubsystem::Guts, Subsystem::Guts);
};
// typedef ForceSubsystem::Guts ForceSubsystemRep;
} // namespace SimTK
#endif // SimTK_SIMBODY_FORCE_SUBSYSTEM_GUTS_H
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