00001 #ifndef OPENMM_DENSITYFORCEIMPL_H_ 00002 #define OPENMM_DENSITYFORCEIMPL_H_ 00003 00004 /* -------------------------------------------------------------------------- * 00005 * OpenMM * 00006 * -------------------------------------------------------------------------- * 00007 * This is part of the OpenMM molecular simulation toolkit originating from * 00008 * Simbios, the NIH National Center for Physics-Based Simulation of * 00009 * Biological Structures at Stanford, funded under the NIH Roadmap for * 00010 * Medical Research, grant U54 GM072970. See https://simtk.org. * 00011 * * 00012 * Portions copyright (c) 2014 Stanford University and the Authors. * 00013 * Authors: Peter Eastman * 00014 * Contributors: * 00015 * * 00016 * Permission is hereby granted, free of charge, to any person obtaining a * 00017 * copy of this software and associated documentation files (the "Software"), * 00018 * to deal in the Software without restriction, including without limitation * 00019 * the rights to use, copy, modify, merge, publish, distribute, sublicense, * 00020 * and/or sell copies of the Software, and to permit persons to whom the * 00021 * Software is furnished to do so, subject to the following conditions: * 00022 * * 00023 * The above copyright notice and this permission notice shall be included in * 00024 * all copies or substantial portions of the Software. * 00025 * * 00026 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * 00027 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * 00028 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * 00029 * THE AUTHORS, CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 00030 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 00031 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * 00032 * USE OR OTHER DEALINGS IN THE SOFTWARE. * 00033 * -------------------------------------------------------------------------- */ 00034 00035 #include <ost/mol/mm/density_force.hh> 00036 #include <openmm/internal/ForceImpl.h> 00037 #include <openmm/Kernel.h> 00038 #include <utility> 00039 #include <set> 00040 #include <string> 00041 00042 namespace ost{ namespace mol{ namespace mm{ 00043 00048 class DensityForceImpl : public OpenMM::ForceImpl { 00049 public: 00050 DensityForceImpl(const DensityForce& owner); 00051 ~DensityForceImpl(); 00052 void initialize(OpenMM::ContextImpl& context); 00053 const DensityForce& getOwner() const { 00054 return owner; 00055 } 00056 void updateContextState(OpenMM::ContextImpl& context) { 00057 // This force field doesn't update the state directly. 00058 } 00059 double calcForcesAndEnergy(OpenMM::ContextImpl& context, bool includeForces, bool includeEnergy, int groups); 00060 std::map<std::string, double> getDefaultParameters() { 00061 return std::map<std::string, double>(); // This force field doesn't define any parameters. 00062 } 00063 std::vector<std::string> getKernelNames(); 00064 00065 void updateParametersInContext(OpenMM::ContextImpl& context); 00066 private: 00067 const DensityForce& owner; 00068 OpenMM::Kernel kernel; 00069 }; 00070 00071 }}} //ns 00072 00073 #endif /*OPENMM_DENSITYFORCEIMPL_H_*/ 00074