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/* |
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* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. |
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* |
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* The University of Notre Dame grants you ("Licensee") a |
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* non-exclusive, royalty free, license to use, modify and |
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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the |
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* distribution. |
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* |
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* This software is provided "AS IS," without a warranty of any |
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* kind. All express or implied conditions, representations and |
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* warranties, including any implied warranty of merchantability, |
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* fitness for a particular purpose or non-infringement, are hereby |
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* excluded. The University of Notre Dame and its licensors shall not |
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* be liable for any damages suffered by licensee as a result of |
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* using, modifying or distributing the software or its |
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* derivatives. In no event will the University of Notre Dame or its |
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* licensors be liable for any lost revenue, profit or data, or for |
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* direct, indirect, special, consequential, incidental or punitive |
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* damages, however caused and regardless of the theory of liability, |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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* |
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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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* research, please cite the appropriate papers when you publish your |
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* work. Good starting points are: |
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* |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Vardeman & Gezelter, in progress (2009). |
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*/ |
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|
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#ifndef NONBONDED_INTERACTIONMANAGER_HPP |
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#define NONBONDED_INTERACTIONMANAGER_HPP |
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|
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#include "brains/SimInfo.hpp" |
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#include "types/AtomType.hpp" |
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#include "UseTheForce/ForceField.hpp" |
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#include "nonbonded/LJ.hpp" |
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#include "nonbonded/GB.hpp" |
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#include "nonbonded/Sticky.hpp" |
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#include "nonbonded/EAM.hpp" |
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#include "nonbonded/SC.hpp" |
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#include "nonbonded/Morse.hpp" |
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#include "nonbonded/Electrostatic.hpp" |
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#include "nonbonded/MAW.hpp" |
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#include "nonbonded/SwitchingFunction.hpp" |
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|
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using namespace std; |
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|
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namespace OpenMD { |
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/** |
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* @class InteractionManager InteractionManager is responsible for |
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* keeping track of the non-bonded interactions (C++) and providing |
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* an interface to the low-level loop (Fortran). |
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*/ |
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class InteractionManager { |
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|
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public: |
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static InteractionManager* Instance(); |
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static void setForceField(ForceField *ff) {forceField_ = ff;} |
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static void setCutoffRadius(RealType rcut) {rCut_ = rcut;} |
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static void setSwitchingRadius(RealType rsw) {rSwitch_ = rsw;} |
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static void setCutoffMethod(CutoffMethod cm) {cutoffMethod_ = cm;} |
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|
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// Fortran support routines |
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|
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static void doPrePair(int *atid1, int *atid2, RealType *rij, RealType *rho_i_at_j, RealType *rho_j_at_i); |
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static void doPreForce(int *atid, RealType *rho, RealType *frho, RealType *dfrhodrho); |
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static void doPair(int *atid1, int *atid2, RealType *d, RealType *r, RealType *r2, RealType *rcut, RealType *sw, int *topoDist, RealType *pot, RealType *vpair, RealType *f1, RealType *eFrame1, RealType *eFrame2, RealType *A1, RealType *A2, RealType *t1, RealType *t2, RealType *rho1, RealType *rho2, RealType *dfrho1, RealType *dfrho2, RealType *fshift1, RealType *fshift2); |
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static void doSkipCorrection(int *atid1, int *atid2, RealType *d, RealType *r, RealType *skippedCharge1, RealType *skippedCharge2, RealType *sw, RealType *electroMult, RealType *pot, RealType *vpair, RealType *f1, RealType *eFrame1, RealType *eFrame2, RealType *t1, RealType *t2); |
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static void doSelfCorrection(int *atid, RealType *eFrame, RealType *skippedCharge, RealType *pot, RealType *t); |
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static RealType getSuggestedCutoffRadius(int *atid1); |
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static RealType getSuggestedCutoffRadius(AtomType *atype); |
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static void setSwitch(RealType *rIn, RealType *rOut); |
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static void getSwitch(RealType *r2, RealType *sw, RealType *dswdr, RealType *r, int *in_switching_region); |
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|
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private: |
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virtual ~InteractionManager() { } |
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// singleton pattern, prevent reconstruction |
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InteractionManager() { } |
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InteractionManager(InteractionManager const&) {}; |
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InteractionManager& operator=(InteractionManager const&) {}; |
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static InteractionManager* _instance; |
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|
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static void initialize(); |
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static bool initialized_; |
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|
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static ForceField* forceField_; |
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static LJ* lj_; |
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static GB* gb_; |
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static Sticky* sticky_; |
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static EAM* eam_; |
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static SC* sc_; |
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static Morse* morse_; |
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static Electrostatic* electrostatic_; |
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static MAW* maw_; |
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static SwitchingFunction* switcher_; |
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|
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static RealType rCut_; |
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static RealType rSwitch_; |
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static CutoffMethod cutoffMethod_; |
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|
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static RealType vdwScale_[4]; |
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static RealType electrostaticScale_[4]; |
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|
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static map<int, AtomType*> typeMap_; |
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/** |
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* Each pair of atom types can have multiple interactions, so the |
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* natural data structures are a map between the pair, and a set |
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* of non-bonded interactions. |
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*/ |
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static map<pair<AtomType*, AtomType*>, set<NonBondedInteraction*> > interactions_; |
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}; |
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} |
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#endif |