| 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). | 
| 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 |  | */ | 
| 76 |  | // number of frames in each block given the need to hold multiple blocks | 
| 77 |  | // in memory at the same time: | 
| 78 |  | nSnapshotPerBlock_ = int(frameCapacity) / blockCapacity_; | 
| 79 | + | if (nSnapshotPerBlock_ <= 0) { | 
| 80 | + | std::cerr << "not enough memory to hold two configs!" << std::endl; | 
| 81 | + | } | 
| 82 |  | reader_ = new DumpReader(info, filename); | 
| 83 |  | nframes_ = reader_->getNFrames(); | 
| 84 |  | int nblocks = nframes_ / nSnapshotPerBlock_; | 
| 178 |  | //in case, unloadBlock called multiple times | 
| 179 |  | activeRefCount_[i - activeBlocks_.begin()]  = 0; | 
| 180 |  | } | 
| 181 | + |  | 
| 182 | + | if (activeRefCount_[i-activeBlocks_.begin()] == 0) { | 
| 183 | + | internalUnload(block); | 
| 184 | + | } | 
| 185 |  |  | 
| 186 |  | unloadSuccess = true; | 
| 187 |  | } else { | 
| 205 |  | } | 
| 206 |  |  | 
| 207 |  | void BlockSnapshotManager::internalUnload(int block) { | 
| 208 | + | std::cerr << "called internal unload for block "<< block << "\n"; | 
| 209 |  | for (int i = blocks_[block].first; i < blocks_[block].second; ++i) { | 
| 210 |  | delete snapshots_[i]; | 
| 211 |  | snapshots_[i] = NULL; | 
| 233 |  | } | 
| 234 |  |  | 
| 235 |  | Snapshot* BlockSnapshotManager::loadFrame(int frame){ | 
| 236 | < | Snapshot* snapshot = new Snapshot(nAtoms_, nRigidBodies_, nCutoffGroups_, getStorageLayout()); | 
| 236 | > | Snapshot* snapshot = new Snapshot(nAtoms_, nRigidBodies_, nCutoffGroups_, | 
| 237 | > | getStorageLayout()); | 
| 238 |  | snapshot->setID(frame); | 
| 239 |  | snapshot->clearDerivedProperties(); | 
| 240 |  |  | 
| 232 | – | /** @todo fixed me */ | 
| 233 | – | Snapshot* oldSnapshot = currentSnapshot_; | 
| 241 |  | currentSnapshot_ = snapshot; | 
| 242 |  | reader_->readFrame(frame); | 
| 243 |  |  | 
| 237 | – | // What was this for?  It doesn't make sense! | 
| 238 | – | //currentSnapshot_ = oldSnapshot; | 
| 239 | – |  | 
| 244 |  | return snapshot; | 
| 245 |  | } | 
| 246 |  |  |