| 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). | 
| 38 | > | * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008). | 
| 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 "constraints/Rattle.hpp" | 
| 45 |  | #include "utils/simError.h" | 
| 46 |  | namespace OpenMD { | 
| 47 |  |  | 
| 48 | < | Rattle::Rattle(SimInfo* info) : info_(info), maxConsIteration_(10), consTolerance_(1.0e-6) { | 
| 48 | > | Rattle::Rattle(SimInfo* info) : info_(info), maxConsIteration_(10), consTolerance_(1.0e-6), doRattle_(false) { | 
| 49 |  |  | 
| 50 | + | if (info_->getNConstraints() > 0) | 
| 51 | + | doRattle_ = true; | 
| 52 | + |  | 
| 53 | + |  | 
| 54 |  | if (info_->getSimParams()->haveDt()) { | 
| 55 |  | dt_ = info_->getSimParams()->getDt(); | 
| 56 |  | } else { | 
| 64 |  | } | 
| 65 |  |  | 
| 66 |  | void Rattle::constraintA() { | 
| 67 | < | if (info_->getNConstraints() > 0) { | 
| 68 | < | doConstraint(&Rattle::constraintPairA); | 
| 64 | < | } | 
| 67 | > | if (!doRattle_) return; | 
| 68 | > | doConstraint(&Rattle::constraintPairA); | 
| 69 |  | } | 
| 70 |  | void Rattle::constraintB() { | 
| 71 | < | if (info_->getNConstraints() > 0) { | 
| 72 | < | doConstraint(&Rattle::constraintPairB); | 
| 69 | < | } | 
| 71 | > | if (!doRattle_) return; | 
| 72 | > | doConstraint(&Rattle::constraintPairB); | 
| 73 |  | } | 
| 74 |  |  | 
| 75 |  | void Rattle::doConstraint(ConstraintPairFuncPtr func) { | 
| 76 | + | if (!doRattle_) return; | 
| 77 | + |  | 
| 78 |  | Molecule* mol; | 
| 79 |  | SimInfo::MoleculeIterator mi; | 
| 80 |  | ConstraintElem* consElem; | 
| 153 |  | } | 
| 154 |  |  | 
| 155 |  | int Rattle::constraintPairA(ConstraintPair* consPair){ | 
| 156 | + |  | 
| 157 |  | ConstraintElem* consElem1 = consPair->getConsElem1(); | 
| 158 |  | ConstraintElem* consElem2 = consPair->getConsElem2(); | 
| 159 |  |  |