| 6 | 
  | 
 * redistribute this software in source and binary code form, provided | 
| 7 | 
  | 
 * that the following conditions are met: | 
| 8 | 
  | 
 * | 
| 9 | 
< | 
 * 1. Acknowledgement of the program authors must be made in any | 
| 10 | 
< | 
 *    publication of scientific results based in part on use of the | 
| 11 | 
< | 
 *    program.  An acceptable form of acknowledgement is citation of | 
| 12 | 
< | 
 *    the article in which the program was described (Matthew | 
| 13 | 
< | 
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
| 14 | 
< | 
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
| 15 | 
< | 
 *    Parallel Simulation Engine for Molecular Dynamics," | 
| 16 | 
< | 
 *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
| 17 | 
< | 
 * | 
| 18 | 
< | 
 * 2. Redistributions of source code must retain the above copyright | 
| 9 | 
> | 
 * 1. Redistributions of source code must retain the above copyright | 
| 10 | 
  | 
 *    notice, this list of conditions and the following disclaimer. | 
| 11 | 
  | 
 * | 
| 12 | 
< | 
 * 3. Redistributions in binary form must reproduce the above copyright | 
| 12 | 
> | 
 * 2. Redistributions in binary form must reproduce the above copyright | 
| 13 | 
  | 
 *    notice, this list of conditions and the following disclaimer in the | 
| 14 | 
  | 
 *    documentation and/or other materials provided with the | 
| 15 | 
  | 
 *    distribution. | 
| 28 | 
  | 
 * arising out of the use of or inability to use software, even if the | 
| 29 | 
  | 
 * University of Notre Dame has been advised of the possibility of | 
| 30 | 
  | 
 * such damages. | 
| 31 | 
+ | 
 * | 
| 32 | 
+ | 
 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
| 33 | 
+ | 
 * research, please cite the appropriate papers when you publish your | 
| 34 | 
+ | 
 * work.  Good starting points are: | 
| 35 | 
+ | 
 *                                                                       | 
| 36 | 
+ | 
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              | 
| 37 | 
+ | 
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           | 
| 38 | 
+ | 
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).           | 
| 39 | 
+ | 
 * [4]  Vardeman & Gezelter, in progress (2009).                         | 
| 40 | 
  | 
 */ | 
| 41 | 
  | 
  | 
| 42 | 
  | 
#include "primitives/Torsion.hpp" | 
| 43 | 
  | 
 | 
| 44 | 
< | 
namespace oopse { | 
| 44 | 
> | 
namespace OpenMD { | 
| 45 | 
  | 
 | 
| 46 | 
  | 
  Torsion::Torsion(Atom *atom1, Atom *atom2, Atom *atom3, Atom *atom4, | 
| 47 | 
  | 
                   TorsionType *tt) : | 
| 77 | 
  | 
 | 
| 78 | 
  | 
    RealType dVdcosPhi; | 
| 79 | 
  | 
    torsionType_->calcForce(cos_phi, potential_, dVdcosPhi); | 
| 80 | 
< | 
    Vector3d f1; | 
| 81 | 
< | 
    Vector3d f2; | 
| 82 | 
< | 
    Vector3d f3; | 
| 80 | 
> | 
    Vector3d f1 ; | 
| 81 | 
> | 
    Vector3d f2 ; | 
| 82 | 
> | 
    Vector3d f3 ; | 
| 83 | 
  | 
 | 
| 84 | 
  | 
    Vector3d dcosdA = (cos_phi * A - B) /rA; | 
| 85 | 
  | 
    Vector3d dcosdB = (cos_phi * B - A) /rB; | 
| 92 | 
  | 
    atom2_->addFrc(f2 - f1); | 
| 93 | 
  | 
    atom3_->addFrc(f3 - f2); | 
| 94 | 
  | 
    atom4_->addFrc(-f3); | 
| 95 | 
+ | 
 | 
| 96 | 
+ | 
    atom1_->addParticlePot(potential_); | 
| 97 | 
+ | 
    atom2_->addParticlePot(potential_); | 
| 98 | 
+ | 
    atom3_->addParticlePot(potential_); | 
| 99 | 
+ | 
    atom4_->addParticlePot(potential_); | 
| 100 | 
+ | 
 | 
| 101 | 
  | 
    angle = acos(cos_phi) /M_PI * 180.0; | 
| 102 | 
  | 
  } | 
| 103 | 
  | 
 |