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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, 234107 (2008). |
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* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
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* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
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*/ |
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|
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#ifdef IS_MPI |
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#include <mpi.h> |
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#endif |
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|
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#include <algorithm> |
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#include <iostream> |
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#include <vector> |
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|
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#include "io/ConstraintWriter.hpp" |
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#include "utils/simError.h" |
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|
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namespace OpenMD { |
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ConstraintWriter::ConstraintWriter(SimInfo* info, |
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const std::string& filename): info_(info) { |
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//use master - slave mode, only master node writes to disk |
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#ifdef IS_MPI |
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if(worldRank == 0){ |
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#endif |
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output_.open(filename.c_str()); |
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|
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if(!output_){ |
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sprintf( painCave.errMsg, |
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"Could not open %s for Constraint output\n", |
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filename.c_str()); |
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painCave.isFatal = 1; |
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simError(); |
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} |
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|
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output_ << "#time(fs)\t" |
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<< "Index of atom 1\t" |
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<< "Index of atom 2\tconstraint force" << std::endl; |
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|
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#ifdef IS_MPI |
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} |
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#endif |
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} |
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|
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ConstraintWriter::~ConstraintWriter() { |
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#ifdef IS_MPI |
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if(worldRank == 0 ){ |
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#endif |
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output_.close(); |
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#ifdef IS_MPI |
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} |
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#endif |
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} |
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|
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void ConstraintWriter::writeConstraintForces(const std::list<ConstraintPair*>& constraints){ |
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#ifndef IS_MPI |
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std::list<ConstraintPair*>::const_iterator i; |
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for ( i = constraints.begin(); i != constraints.end(); ++i) { |
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|
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if ((*i)->getPrintForce()) { |
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output_ << info_->getSnapshotManager()->getCurrentSnapshot()->getTime() << "\t" |
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<< (*i)->getConsElem1()->getGlobalIndex() <<"\t" |
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<< (*i)->getConsElem2()->getGlobalIndex() <<"\t" |
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<< (*i)->getConstraintForce() <<std::endl; |
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} |
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} |
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#else |
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|
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const int masterNode = 0; |
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int nproc; |
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int myNode; |
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MPI_Comm_size( MPI_COMM_WORLD, &nproc); |
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MPI_Comm_rank( MPI_COMM_WORLD, &myNode); |
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|
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std::vector<int> nConstraints(nproc, 0); |
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nConstraints[myNode] = constraints.size(); |
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|
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//do MPI_ALLREDUCE to exchange the total number of constraints: |
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MPI_Allreduce(MPI_IN_PLACE, &nConstraints[0], nproc, MPI_INT, MPI_SUM, |
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MPI_COMM_WORLD); |
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|
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MPI_Status ierr; |
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int atom1, atom2, doPrint; |
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RealType force; |
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|
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if (myNode == masterNode) { |
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std::vector<ConstraintData> constraintData; |
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ConstraintData tmpData; |
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for(int i = 0 ; i < nproc; ++i) { |
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if (i == masterNode) { |
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std::list<ConstraintPair*>::const_iterator j; |
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for ( j = constraints.begin(); j != constraints.end(); ++j) { |
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tmpData.atom1 = (*j)->getConsElem1()->getGlobalIndex(); |
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tmpData.atom2 = (*j)->getConsElem2()->getGlobalIndex(); |
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tmpData.constraintForce= (*j)->getConstraintForce(); |
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tmpData.printForce = (*j)->getPrintForce(); |
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constraintData.push_back(tmpData); |
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} |
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|
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} else { |
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for(int k = 0; k < nConstraints[i]; ++k) { |
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MPI_Recv(&atom1, 1, MPI_INT, i, 0, MPI_COMM_WORLD, &ierr); |
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MPI_Recv(&atom2, 1, MPI_INT, i, 0, MPI_COMM_WORLD, &ierr); |
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MPI_Recv(&force, 1, MPI_REALTYPE, i, 0, MPI_COMM_WORLD, &ierr); |
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MPI_Recv(&doPrint, 1, MPI_INT, i, 0, MPI_COMM_WORLD, &ierr); |
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|
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tmpData.atom1 = atom1; |
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tmpData.atom2 = atom2; |
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tmpData.constraintForce = force; |
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tmpData.printForce = (doPrint == 0) ? false : true; |
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constraintData.push_back(tmpData); |
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} |
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} |
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} |
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|
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std::vector<ConstraintData>::iterator l; |
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for (l = constraintData.begin(); l != constraintData.end(); ++l) { |
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if (l->printForce) { |
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output_ << info_->getSnapshotManager()->getCurrentSnapshot()->getTime() << "\t" |
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<< l->atom1 <<"\t" |
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<< l->atom2 <<"\t" |
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<< l->constraintForce << std::endl; |
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} |
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} |
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} else { |
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|
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std::list<ConstraintPair*>::const_iterator j; |
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for (j = constraints.begin(); j != constraints.end(); ++j) { |
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int atom1 = (*j)->getConsElem1()->getGlobalIndex(); |
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int atom2 = (*j)->getConsElem2()->getGlobalIndex(); |
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RealType constraintForce= (*j)->getConstraintForce(); |
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int printForce = (int) (*j)->getPrintForce(); |
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|
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MPI_Send(&atom1, 1, MPI_INT, masterNode, 0, MPI_COMM_WORLD); |
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MPI_Send(&atom2, 1, MPI_INT, masterNode, 0, MPI_COMM_WORLD); |
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MPI_Send(&constraintForce, 1, MPI_REALTYPE, masterNode, 0, |
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MPI_COMM_WORLD); |
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MPI_Send(&printForce, 1, MPI_INT, masterNode, 0, MPI_COMM_WORLD); |
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} |
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} |
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#endif |
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} |
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} |