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#include <iostream> | 
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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. Acknowledgement of the program authors must be made in any | 
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 *    publication of scientific results based in part on use of the | 
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 *    program.  An acceptable form of acknowledgement is citation of | 
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 *    the article in which the program was described (Matthew | 
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 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
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 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
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 *    Parallel Simulation Engine for Molecular Dynamics," | 
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 *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
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 * | 
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 * 2. 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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 * 3. 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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  | 
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#include "primitives/Atom.hpp" | 
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namespace oopse { | 
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using namespace std; | 
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#include "simError.h" | 
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#include "Atom.hpp" | 
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Atom::Atom(int theIndex, SimState* theConfig) { | 
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  objType = OT_ATOM; | 
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  myConfig = theConfig; | 
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  hasCoords = false; | 
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 | 
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  has_dipole = 0; | 
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  has_charge = 0; | 
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   | 
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  index = theIndex; | 
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  offset = 0; | 
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  offsetX = offset; | 
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  offsetY = offset+1; | 
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  offsetZ = offset+2; | 
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   | 
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  Axx = 0; | 
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  Axy = Axx+1; | 
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  Axz = Axx+2; | 
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  Ayx = Axx+3; | 
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  Ayy = Axx+4; | 
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  Ayz = Axx+5; | 
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  Azx = Axx+6; | 
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  Azy = Axx+7; | 
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  Azz = Axx+8; | 
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} | 
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void Atom::setIndex(int theIndex) { | 
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  index = theIndex;  | 
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} | 
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void Atom::setCoords(void){ | 
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  if( myConfig->isAllocated() ){ | 
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    myConfig->getAtomPointers( index, | 
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                     &pos,  | 
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                     &vel,  | 
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                     &frc,  | 
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                     &trq,  | 
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                     &Amat, | 
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                     &mu,   | 
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                     &ul); | 
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  Atom::Atom(AtomType* at) : StuntDouble(otAtom, &Snapshot::atomData) ,atomType_(at) { | 
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    mass_ = at->getMass(); | 
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  } | 
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  else{ | 
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    sprintf( painCave.errMsg, | 
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             "Attempted to set Atom %d  coordinates with an unallocated " | 
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             "SimState object.\n", index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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  hasCoords = true; | 
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} | 
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void Atom::getPos( double theP[3] ){ | 
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  if( hasCoords ){ | 
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    theP[0] = pos[offsetX]; | 
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    theP[1] = pos[offsetY]; | 
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    theP[2] = pos[offsetZ]; | 
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  } | 
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  else{ | 
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  Mat3x3d Atom::getI() { | 
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    return Mat3x3d::identity(); | 
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  }     | 
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    sprintf( painCave.errMsg, | 
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             "Attempt to get Pos for atom %d before coords set.\n", | 
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             index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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} | 
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  std::vector<double> Atom::getGrad() { | 
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    std::vector<double> grad(3); | 
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    Vector3d force= getFrc(); | 
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void Atom::setPos( double theP[3] ){ | 
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  if( hasCoords ){ | 
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    pos[offsetX] = theP[0]; | 
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    pos[offsetY] = theP[1]; | 
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    pos[offsetZ] = theP[2]; | 
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  } | 
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  else{ | 
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    sprintf( painCave.errMsg, | 
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             "Attempt to set Pos for atom %d before coords set.\n", | 
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             index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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} | 
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void Atom::getVel( double theV[3] ){ | 
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  if( hasCoords ){ | 
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    theV[0] = vel[offsetX]; | 
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    theV[1] = vel[offsetY]; | 
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    theV[2] = vel[offsetZ]; | 
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  } | 
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  else{ | 
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    grad[0] = -force[0]; | 
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    grad[1] = -force[1]; | 
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    grad[2] = -force[2]; | 
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    sprintf( painCave.errMsg, | 
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             "Attempt to get vel for atom %d before coords set.\n", | 
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             index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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    return grad; | 
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  }     | 
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} | 
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  void Atom::accept(BaseVisitor* v) { | 
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    v->visit(this); | 
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  }     | 
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void Atom::setVel( double theV[3] ){ | 
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  if( hasCoords ){ | 
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    vel[offsetX] = theV[0]; | 
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    vel[offsetY] = theV[1]; | 
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    vel[offsetZ] = theV[2]; | 
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  } | 
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  else{ | 
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    sprintf( painCave.errMsg, | 
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             "Attempt to set vel for atom %d before coords set.\n", | 
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             index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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} | 
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void Atom::getFrc( double theF[3] ){ | 
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  if( hasCoords ){ | 
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    theF[0] = frc[offsetX]; | 
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    theF[1] = frc[offsetY]; | 
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    theF[2] = frc[offsetZ]; | 
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  } | 
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  else{ | 
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    sprintf( painCave.errMsg, | 
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             "Attempt to get frc for atom %d before coords set.\n", | 
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             index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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} | 
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void Atom::addFrc( double theF[3] ){ | 
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  if( hasCoords ){ | 
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    frc[offsetX] += theF[0]; | 
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    frc[offsetY] += theF[1]; | 
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    frc[offsetZ] += theF[2]; | 
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  } | 
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  else{ | 
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    sprintf( painCave.errMsg, | 
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             "Attempt to add frc for atom %d before coords set.\n", | 
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             index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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} | 
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void Atom::zeroForces( void ){ | 
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  if( hasCoords ){ | 
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    frc[offsetX] = 0.0;  | 
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    frc[offsetY] = 0.0;  | 
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    frc[offsetZ] = 0.0; | 
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  } | 
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  else{ | 
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    sprintf( painCave.errMsg, | 
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             "Attempt to zero frc for atom %d before coords set.\n", | 
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             index ); | 
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    painCave.isFatal = 1; | 
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    simError(); | 
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  } | 
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} | 
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