| 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).                         | 
| 39 | 
> | 
 * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
| 40 | 
> | 
 * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
| 41 | 
  | 
 */ | 
| 42 | 
  | 
  | 
| 43 | 
  | 
#include "primitives/Inversion.hpp" | 
| 49 | 
  | 
    atom1_(atom1), atom2_(atom2), atom3_(atom3), atom4_(atom4),  | 
| 50 | 
  | 
    inversionType_(it) { } | 
| 51 | 
  | 
   | 
| 52 | 
< | 
  void Inversion::calcForce(RealType& angle) { | 
| 52 | 
> | 
  void Inversion::calcForce(RealType& angle, bool doParticlePot) { | 
| 53 | 
  | 
     | 
| 54 | 
  | 
    // In OpenMD's version of an inversion, the central atom | 
| 55 | 
  | 
    // comes first.  However, to get the planarity in a typical cosine | 
| 110 | 
  | 
    atom4_->addFrc(-f2); | 
| 111 | 
  | 
    atom3_->addFrc(-f3); | 
| 112 | 
  | 
 | 
| 113 | 
< | 
    atom1_->addParticlePot(potential_); | 
| 114 | 
< | 
    atom2_->addParticlePot(potential_); | 
| 115 | 
< | 
    atom3_->addParticlePot(potential_); | 
| 116 | 
< | 
    atom4_->addParticlePot(potential_); | 
| 117 | 
< | 
 | 
| 113 | 
> | 
    if (doParticlePot) {  | 
| 114 | 
> | 
      atom1_->addParticlePot(potential_); | 
| 115 | 
> | 
      atom2_->addParticlePot(potential_); | 
| 116 | 
> | 
      atom3_->addParticlePot(potential_); | 
| 117 | 
> | 
      atom4_->addParticlePot(potential_); | 
| 118 | 
> | 
    } | 
| 119 | 
> | 
     | 
| 120 | 
  | 
    angle = acos(cos_phi) /M_PI * 180.0; | 
| 121 | 
  | 
  } | 
| 122 | 
  | 
 |