| 1 | < | /* | 
| 1 | > | /* | 
| 2 |  | * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
| 3 |  | * | 
| 4 |  | * The University of Notre Dame grants you ("Licensee") a | 
| 43 |  | #include "primitives/DirectionalAtom.hpp" | 
| 44 |  | namespace oopse { | 
| 45 |  |  | 
| 46 | < | /**@todo still a lot left to improve*/ | 
| 47 | < | void GhostBend::calcForce() { | 
| 46 | > | /**@todo still a lot left to improve*/ | 
| 47 | > | void GhostBend::calcForce() { | 
| 48 |  | DirectionalAtom* ghostAtom = static_cast<DirectionalAtom*>(atom2_); | 
| 49 |  |  | 
| 50 |  | Vector3d pos1 = atom1_->getPos(); | 
| 64 |  |  | 
| 65 |  | //check roundoff | 
| 66 |  | if (cosTheta > 1.0) { | 
| 67 | < | cosTheta = 1.0; | 
| 67 | > | cosTheta = 1.0; | 
| 68 |  | } else if (cosTheta < -1.0) { | 
| 69 | < | cosTheta = -1.0; | 
| 69 | > | cosTheta = -1.0; | 
| 70 |  | } | 
| 71 |  |  | 
| 72 |  | double theta = acos(cosTheta); | 
| 78 |  | double sinTheta = sqrt(1.0 - cosTheta * cosTheta); | 
| 79 |  |  | 
| 80 |  | if (fabs(sinTheta) < 1.0E-12) { | 
| 81 | < | sinTheta = 1.0E-12; | 
| 81 | > | sinTheta = 1.0E-12; | 
| 82 |  | } | 
| 83 |  |  | 
| 84 |  | double commonFactor1 = -firstDerivative / sinTheta * d12inv; | 
| 91 |  | /**@todo test correctness */ | 
| 92 |  | ghostAtom->addTrq(cross(r32, force3) ); | 
| 93 |  |  | 
| 94 | < | } | 
| 94 | > | } | 
| 95 |  |  | 
| 96 |  | } //end namespace oopse | 
| 97 |  |  |