| 1 | /* | 
| 2 | * Copyright (C) 2000-2004  Object Oriented Parallel Simulation Engine (OOPSE) project | 
| 3 | * | 
| 4 | * Contact: oopse@oopse.org | 
| 5 | * | 
| 6 | * This program is free software; you can redistribute it and/or | 
| 7 | * modify it under the terms of the GNU Lesser General Public License | 
| 8 | * as published by the Free Software Foundation; either version 2.1 | 
| 9 | * of the License, or (at your option) any later version. | 
| 10 | * All we ask is that proper credit is given for our work, which includes | 
| 11 | * - but is not limited to - adding the above copyright notice to the beginning | 
| 12 | * of your source code files, and to any copyright notice that you may distribute | 
| 13 | * with programs based on this work. | 
| 14 | * | 
| 15 | * This program is distributed in the hope that it will be useful, | 
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
| 18 | * GNU Lesser General Public License for more details. | 
| 19 | * | 
| 20 | * You should have received a copy of the GNU Lesser General Public License | 
| 21 | * along with this program; if not, write to the Free Software | 
| 22 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. | 
| 23 | * | 
| 24 | */ | 
| 25 |  | 
| 26 | /** | 
| 27 | * @file DataStorage.cpp | 
| 28 | * @author tlin | 
| 29 | * @date 10/26/2004 | 
| 30 | * @time 11:56am | 
| 31 | * @version 1.0 | 
| 32 | */ | 
| 33 |  | 
| 34 | #include "brains/DataStorage.hpp" | 
| 35 |  | 
| 36 |  | 
| 37 | DataStorage::DataStorage() : size_(0), storageLayout_(0){ | 
| 38 |  | 
| 39 | } | 
| 40 |  | 
| 41 | DataStorage::DataStorage(int size, int storageLayout) : size_(size){ | 
| 42 | setStorageLayout(storageLayout); | 
| 43 | resize(size); | 
| 44 | } | 
| 45 |  | 
| 46 | int DataStorage::getSize() { | 
| 47 |  | 
| 48 | if (storageLayout_ & dslPosition && position.size() != size_) { | 
| 49 | //error | 
| 50 | std::cerr << "size does not match"<< std::endl; | 
| 51 | } | 
| 52 |  | 
| 53 | if (storageLayout_ & dslVelocity && velocity.size() != size_) { | 
| 54 | //error | 
| 55 | std::cerr << "size does not match"<< std::endl; | 
| 56 | } | 
| 57 |  | 
| 58 | if (storageLayout_ & dslAmat && aMat.size() != size_) { | 
| 59 | //error | 
| 60 | std::cerr << "size does not match"<< std::endl; | 
| 61 | } | 
| 62 |  | 
| 63 | if (storageLayout_ & dslAngularMomentum && angularMomentum.size() != size_) { | 
| 64 | //error | 
| 65 | std::cerr << "size does not match"<< std::endl; | 
| 66 | } | 
| 67 |  | 
| 68 | if (storageLayout_ & dslUnitVector && unitVector.size() != size_) { | 
| 69 | //error | 
| 70 | std::cerr << "size does not match"<< std::endl; | 
| 71 | } | 
| 72 |  | 
| 73 | if (storageLayout_ & dslZAngle && zAngle.size() != size_) { | 
| 74 | //error | 
| 75 | std::cerr << "size does not match"<< std::endl; | 
| 76 | } | 
| 77 |  | 
| 78 | if (storageLayout_ & dslForce && force.size() != size_) { | 
| 79 | //error | 
| 80 | std::cerr << "size does not match"<< std::endl; | 
| 81 | } | 
| 82 |  | 
| 83 | if (storageLayout_ & dslTorque && torque.size() != size_) { | 
| 84 | //error | 
| 85 | std::cerr << "size does not match"<< std::endl; | 
| 86 | } | 
| 87 |  | 
| 88 | return size_; | 
| 89 |  | 
| 90 | } | 
| 91 |  | 
| 92 | void DataStorage::resize(int newSize) { | 
| 93 |  | 
| 94 | if (storageLayout_ & dslPosition) { | 
| 95 | internalResize(position, newSize); | 
| 96 | } | 
| 97 |  | 
| 98 | if (storageLayout_ & dslVelocity) { | 
| 99 | internalResize(velocity, newSize); | 
| 100 | } | 
| 101 |  | 
| 102 | if (storageLayout_ & dslAmat) { | 
| 103 | internalResize(aMat, newSize); | 
| 104 | } | 
| 105 |  | 
| 106 | if (storageLayout_ & dslAngularMomentum) { | 
| 107 | internalResize(angularMomentum, newSize); | 
| 108 | } | 
| 109 |  | 
| 110 | if (storageLayout_ & dslUnitVector) { | 
| 111 | internalResize(unitVector, newSize); | 
| 112 | } | 
| 113 |  | 
| 114 | if (storageLayout_ & dslZAngle) { | 
| 115 | internalResize(zAngle, newSize); | 
| 116 | } | 
| 117 |  | 
| 118 | if (storageLayout_ & dslForce) { | 
| 119 | internalResize(force, newSize); | 
| 120 | } | 
| 121 |  | 
| 122 | if (storageLayout_ & dslTorque) { | 
| 123 | internalResize(torque, newSize); | 
| 124 | } | 
| 125 |  | 
| 126 | size_ = newSize; | 
| 127 | } | 
| 128 |  | 
| 129 | void DataStorage::reserve(int size) { | 
| 130 | if (storageLayout_ & dslPosition) { | 
| 131 | position.reserve(size); | 
| 132 | } | 
| 133 |  | 
| 134 | if (storageLayout_ & dslVelocity) { | 
| 135 | velocity.reserve(size); | 
| 136 | } | 
| 137 |  | 
| 138 | if (storageLayout_ & dslAmat) { | 
| 139 | aMat.reserve(size); | 
| 140 | } | 
| 141 |  | 
| 142 | if (storageLayout_ & dslAngularMomentum) { | 
| 143 | angularMomentum.reserve(size); | 
| 144 | } | 
| 145 |  | 
| 146 | if (storageLayout_ & dslUnitVector) { | 
| 147 | unitVector.reserve(size); | 
| 148 | } | 
| 149 |  | 
| 150 | if (storageLayout_ & dslZAngle) { | 
| 151 | zAngle.reserve(size); | 
| 152 | } | 
| 153 |  | 
| 154 | if (storageLayout_ & dslForce) { | 
| 155 | force.reserve(size); | 
| 156 | } | 
| 157 |  | 
| 158 | if (storageLayout_ & dslTorque) { | 
| 159 | torque.reserve(size); | 
| 160 | } | 
| 161 |  | 
| 162 | } | 
| 163 |  | 
| 164 | void DataStorage::copy(int source, int num, int target) { | 
| 165 | if (num + target > size_ ) { | 
| 166 | //error | 
| 167 | } | 
| 168 |  | 
| 169 | if (storageLayout_ & dslPosition) { | 
| 170 | interalCopy(position, source, num, target); | 
| 171 | } | 
| 172 |  | 
| 173 | if (storageLayout_ & dslVelocity) { | 
| 174 | interalCopy(velocity, source, num, target); | 
| 175 | } | 
| 176 |  | 
| 177 | if (storageLayout_ & dslAmat) { | 
| 178 | interalCopy(aMat, source, num, target); | 
| 179 | } | 
| 180 |  | 
| 181 | if (storageLayout_ & dslAngularMomentum) { | 
| 182 | interalCopy(angularMomentum, source, num, target); | 
| 183 | } | 
| 184 |  | 
| 185 | if (storageLayout_ & dslUnitVector) { | 
| 186 | interalCopy(unitVector, source, num, target); | 
| 187 | } | 
| 188 |  | 
| 189 | if (storageLayout_ & dslZAngle) { | 
| 190 | interalCopy(zAngle, source, num, target); | 
| 191 | } | 
| 192 |  | 
| 193 | if (storageLayout_ & dslForce) { | 
| 194 | interalCopy(force, source, num, target); | 
| 195 | } | 
| 196 |  | 
| 197 | if (storageLayout_ & dslTorque) { | 
| 198 | interalCopy(torque, source, num, target); | 
| 199 | } | 
| 200 |  | 
| 201 |  | 
| 202 | } | 
| 203 |  | 
| 204 | int DataStorage::getStorageLayout() { | 
| 205 | return storageLayout_; | 
| 206 | } | 
| 207 |  | 
| 208 | void DataStorage::setStorageLayout(int layout) { | 
| 209 | storageLayout_ = layout; | 
| 210 | resize(size_); | 
| 211 | } | 
| 212 |  | 
| 213 | double* DataStorage::getArrayPointer(int whichArray) { | 
| 214 |  | 
| 215 | switch (whichArray) { | 
| 216 | case dslPosition: | 
| 217 | return internalGetArrayPointer(torque); | 
| 218 | break; | 
| 219 |  | 
| 220 | case dslVelocity: | 
| 221 | return internalGetArrayPointer(velocity); | 
| 222 | break; | 
| 223 |  | 
| 224 | case dslAmat: | 
| 225 | return internalGetArrayPointer(aMat); | 
| 226 | break; | 
| 227 |  | 
| 228 | case dslAngularMomentum: | 
| 229 | return internalGetArrayPointer(angularMomentum); | 
| 230 | break; | 
| 231 |  | 
| 232 | case dslUnitVector: | 
| 233 | return internalGetArrayPointer(unitVector); | 
| 234 | break; | 
| 235 |  | 
| 236 | case dslZAngle: | 
| 237 | return internalGetArrayPointer(zAngle); | 
| 238 | break; | 
| 239 |  | 
| 240 | case dslForce: | 
| 241 | return internalGetArrayPointer(force); | 
| 242 | break; | 
| 243 |  | 
| 244 | case dslTorque: | 
| 245 | return internalGetArrayPointer(torque); | 
| 246 | break; | 
| 247 |  | 
| 248 | default: | 
| 249 | //error message | 
| 250 | return NULL; | 
| 251 |  | 
| 252 | } | 
| 253 | } | 
| 254 |  | 
| 255 | double* DataStorage::internalGetArrayPointer(std::vector<Vector3d>& v) { | 
| 256 | if (v.size() == 0) { | 
| 257 | return NULL; | 
| 258 | } else { | 
| 259 | return v[0].getArrayPointer(); | 
| 260 | } | 
| 261 | } | 
| 262 |  | 
| 263 | double* DataStorage::internalGetArrayPointer(std::vector<RotMat3x3d>& v) { | 
| 264 | if (v.size() == 0) { | 
| 265 | return NULL; | 
| 266 | } else { | 
| 267 | return v[0].getArrayPointer(); | 
| 268 | } | 
| 269 |  | 
| 270 | } | 
| 271 |  | 
| 272 | double* DataStorage::internalGetArrayPointer(std::vector<double>& v) { | 
| 273 | if (v.size() == 0) { | 
| 274 | return NULL; | 
| 275 | } else { | 
| 276 | return &(v[0]); | 
| 277 | } | 
| 278 |  | 
| 279 | } | 
| 280 |  | 
| 281 | template<typename T> | 
| 282 | void DataStorage::internalResize(std::vector<T>& v, int newSize){ | 
| 283 | int oldSize = v.size(); | 
| 284 |  | 
| 285 | if (oldSize == newSize) { | 
| 286 | return; | 
| 287 | } else if (oldSize < newSize) { | 
| 288 | v.insert(v.end(), newSize-oldSize, T()); | 
| 289 | } else { | 
| 290 | typename std::vector<T>::iterator i; | 
| 291 | i = v.begin(); | 
| 292 | std::advance(i, newSize); | 
| 293 | v.erase(i, v.end()); | 
| 294 | } | 
| 295 | } | 
| 296 |  | 
| 297 | template<typename T> | 
| 298 | void DataStorage::interalCopy(std::vector<T>& v, int source,  int num, int target) { | 
| 299 | typename std::vector<T>::iterator first; | 
| 300 | typename std::vector<T>::iterator last; | 
| 301 | typename std::vector<T>::iterator result; | 
| 302 |  | 
| 303 | first = v.begin(); | 
| 304 | last = v.begin(); | 
| 305 | result = v.begin(); | 
| 306 |  | 
| 307 | std::advance(first, source); | 
| 308 | //STL algorithm use half opened range | 
| 309 | std::advance(last, num + 1); | 
| 310 | std::advance(result, target ); | 
| 311 |  | 
| 312 | std::copy(first, last, result); | 
| 313 | } |