| 1 | #include <iostream> | 
| 2 | #include <cmath> | 
| 3 |  | 
| 4 | #include <stdio.h> | 
| 5 | #include <stdlib.h> | 
| 6 | #include <string.h> | 
| 7 | #include <unistd.h> | 
| 8 | #include <sys/types.h> | 
| 9 | #include <sys/stat.h> | 
| 10 |  | 
| 11 | #include "ReadWrite.hpp" | 
| 12 | #include "simError.h" | 
| 13 |  | 
| 14 | #ifdef IS_MPI | 
| 15 | #include <mpi.h> | 
| 16 | #include "mpiSimulation.hpp" | 
| 17 | #define TAKE_THIS_TAG_CHAR 0 | 
| 18 | #define TAKE_THIS_TAG_INT 1 | 
| 19 |  | 
| 20 | namespace initFile{ | 
| 21 | void nodeZeroError( void ); | 
| 22 | void anonymousNodeDie( void ); | 
| 23 | } | 
| 24 |  | 
| 25 | using namespace initFile; | 
| 26 |  | 
| 27 | #endif // is_mpi | 
| 28 |  | 
| 29 | InitializeFromFile :: InitializeFromFile( char *in_name ){ | 
| 30 | #ifdef IS_MPI | 
| 31 | if (worldRank == 0) { | 
| 32 | #endif | 
| 33 |  | 
| 34 | c_in_file = fopen(in_name, "r"); | 
| 35 | if(c_in_file == NULL){ | 
| 36 | sprintf(painCave.errMsg, | 
| 37 | "Cannot open file: %s\n", in_name); | 
| 38 | painCave.isFatal = 1; | 
| 39 | simError(); | 
| 40 | } | 
| 41 |  | 
| 42 | strcpy( c_in_name, in_name); | 
| 43 | #ifdef IS_MPI | 
| 44 | } | 
| 45 | strcpy( checkPointMsg, "Infile opened for reading successfully." ); | 
| 46 | MPIcheckPoint(); | 
| 47 | #endif | 
| 48 | return; | 
| 49 | } | 
| 50 |  | 
| 51 | InitializeFromFile :: ~InitializeFromFile( ){ | 
| 52 | #ifdef IS_MPI | 
| 53 | if (worldRank == 0) { | 
| 54 | #endif | 
| 55 | int error; | 
| 56 | error = fclose( c_in_file ); | 
| 57 | if( error ){ | 
| 58 | sprintf( painCave.errMsg, | 
| 59 | "Error closing %s\n", c_in_name ); | 
| 60 | simError(); | 
| 61 | } | 
| 62 | #ifdef IS_MPI | 
| 63 | } | 
| 64 | strcpy( checkPointMsg, "Infile closed successfully." ); | 
| 65 | MPIcheckPoint(); | 
| 66 | #endif | 
| 67 |  | 
| 68 | return; | 
| 69 | } | 
| 70 |  | 
| 71 |  | 
| 72 | void InitializeFromFile :: readInit( SimInfo* the_simnfo ){ | 
| 73 |  | 
| 74 | int i, j, done, which_node, which_atom; // loop counter | 
| 75 |  | 
| 76 | const int BUFFERSIZE = 2000; // size of the read buffer | 
| 77 | int n_atoms; // the number of atoms | 
| 78 | char read_buffer[BUFFERSIZE]; //the line buffer for reading | 
| 79 | #ifdef IS_MPI | 
| 80 | char send_buffer[BUFFERSIZE]; | 
| 81 | #endif | 
| 82 |  | 
| 83 | char *eof_test; // ptr to see when we reach the end of the file | 
| 84 | char *parseErr; | 
| 85 | int procIndex; | 
| 86 | double currTime; | 
| 87 | double boxMat[9]; | 
| 88 | double theBoxMat3[3][3]; | 
| 89 |  | 
| 90 | simnfo = the_simnfo; | 
| 91 |  | 
| 92 |  | 
| 93 | #ifndef IS_MPI | 
| 94 | eof_test = fgets(read_buffer, sizeof(read_buffer), c_in_file); | 
| 95 | if( eof_test == NULL ){ | 
| 96 | sprintf( painCave.errMsg, | 
| 97 | "InitializeFromFile error: error reading 1st line of \"%s\"\n", | 
| 98 | c_in_name ); | 
| 99 | painCave.isFatal = 1; | 
| 100 | simError(); | 
| 101 | } | 
| 102 |  | 
| 103 | n_atoms = atoi( read_buffer ); | 
| 104 |  | 
| 105 | Atom **atoms = simnfo->atoms; | 
| 106 | DirectionalAtom* dAtom; | 
| 107 |  | 
| 108 | if( n_atoms != simnfo->n_atoms ){ | 
| 109 | sprintf( painCave.errMsg, | 
| 110 | "Initialize from File error. %s n_atoms, %d, " | 
| 111 | "does not match the BASS file's n_atoms, %d.\n", | 
| 112 | c_in_name, n_atoms, simnfo->n_atoms ); | 
| 113 | painCave.isFatal = 1; | 
| 114 | simError(); | 
| 115 | } | 
| 116 |  | 
| 117 | //read the box mat from the comment line | 
| 118 |  | 
| 119 | eof_test = fgets(read_buffer, sizeof(read_buffer), c_in_file); | 
| 120 | if(eof_test == NULL){ | 
| 121 | sprintf( painCave.errMsg, | 
| 122 | "error in reading commment in %s\n", c_in_name); | 
| 123 | painCave.isFatal = 1; | 
| 124 | simError(); | 
| 125 | } | 
| 126 |  | 
| 127 | parseErr = parseBoxLine( read_buffer, boxMat, currTime ); | 
| 128 | if( parseErr != NULL ){ | 
| 129 | strcpy( painCave.errMsg, parseErr ); | 
| 130 | painCave.isFatal = 1; | 
| 131 | simError(); | 
| 132 | } | 
| 133 |  | 
| 134 | for(i=0;i<3;i++) | 
| 135 | for(j=0;j<3;j++) theBoxMat3[i][j] = boxMat[3*j+i]; | 
| 136 |  | 
| 137 | simnfo->setBoxM( theBoxMat3 ); | 
| 138 | simnfo->setTime( currTime ); | 
| 139 |  | 
| 140 |  | 
| 141 | for( i=0; i < n_atoms; i++){ | 
| 142 |  | 
| 143 | eof_test = fgets(read_buffer, sizeof(read_buffer), c_in_file); | 
| 144 | if(eof_test == NULL){ | 
| 145 | sprintf(painCave.errMsg, | 
| 146 | "error in reading file %s\n" | 
| 147 | "natoms  = %d; index = %d\n" | 
| 148 | "error reading the line from the file.\n", | 
| 149 | c_in_name, n_atoms, i ); | 
| 150 | painCave.isFatal = 1; | 
| 151 | simError(); | 
| 152 | } | 
| 153 |  | 
| 154 |  | 
| 155 | parseErr = parseDumpLine( read_buffer, i ); | 
| 156 | if( parseErr != NULL ){ | 
| 157 | strcpy( painCave.errMsg, parseErr ); | 
| 158 | painCave.isFatal = 1; | 
| 159 | simError(); | 
| 160 | } | 
| 161 | } | 
| 162 |  | 
| 163 |  | 
| 164 | // MPI Section of code.......... | 
| 165 | #else //IS_MPI | 
| 166 |  | 
| 167 | // first thing first, suspend fatalities. | 
| 168 | painCave.isEventLoop = 1; | 
| 169 |  | 
| 170 | int myStatus; // 1 = wakeup & success; 0 = error; -1 = AllDone | 
| 171 | int haveError; | 
| 172 |  | 
| 173 | MPI_Status istatus; | 
| 174 | int *AtomToProcMap = mpiSim->getAtomToProcMap(); | 
| 175 |  | 
| 176 |  | 
| 177 | haveError = 0; | 
| 178 | if (worldRank == 0) { | 
| 179 |  | 
| 180 | eof_test = fgets(read_buffer, sizeof(read_buffer), c_in_file); | 
| 181 | if( eof_test == NULL ){ | 
| 182 | sprintf( painCave.errMsg, | 
| 183 | "Error reading 1st line of %d \n ",c_in_name); | 
| 184 | haveError = 1; | 
| 185 | simError(); | 
| 186 | } | 
| 187 |  | 
| 188 | n_atoms = atoi( read_buffer ); | 
| 189 |  | 
| 190 | Atom **atoms = simnfo->atoms; | 
| 191 | DirectionalAtom* dAtom; | 
| 192 |  | 
| 193 | // Check to see that the number of atoms in the intial configuration file is the | 
| 194 | // same as declared in simBass. | 
| 195 |  | 
| 196 | if( n_atoms != mpiSim->getTotAtoms() ){ | 
| 197 | sprintf( painCave.errMsg, | 
| 198 | "Initialize from File error. %s n_atoms, %d, " | 
| 199 | "does not match the BASS file's n_atoms, %d.\n", | 
| 200 | c_in_name, n_atoms, simnfo->n_atoms ); | 
| 201 | haveError= 1; | 
| 202 | simError(); | 
| 203 | } | 
| 204 |  | 
| 205 | //read the boxMat from the comment line | 
| 206 |  | 
| 207 | eof_test = fgets(read_buffer, sizeof(read_buffer), c_in_file); | 
| 208 | if(eof_test == NULL){ | 
| 209 | sprintf( painCave.errMsg, | 
| 210 | "error in reading commment in %s\n", c_in_name); | 
| 211 | haveError = 1; | 
| 212 | simError(); | 
| 213 | } | 
| 214 |  | 
| 215 | parseErr = parseBoxLine( read_buffer, boxMat, currTime ); | 
| 216 | if( parseErr != NULL ){ | 
| 217 | strcpy( painCave.errMsg, parseErr ); | 
| 218 | haveError = 1; | 
| 219 | simError(); | 
| 220 | } | 
| 221 |  | 
| 222 | MPI_Bcast(boxMat, 9, MPI_DOUBLE, 0, MPI_COMM_WORLD ); | 
| 223 | MPI_Bcast(&currTime, 1, MPI_DOUBLE, 0, MPI_COMM_WORLD ); | 
| 224 |  | 
| 225 | if(haveError) nodeZeroError(); | 
| 226 |  | 
| 227 | for (i=0 ; i < mpiSim->getTotAtoms(); i++) { | 
| 228 |  | 
| 229 | eof_test = fgets(read_buffer, sizeof(read_buffer), c_in_file); | 
| 230 | if(eof_test == NULL){ | 
| 231 | sprintf(painCave.errMsg, | 
| 232 | "error in reading file %s\n" | 
| 233 | "natoms  = %d; index = %d\n" | 
| 234 | "error reading the line from the file.\n", | 
| 235 | c_in_name, n_atoms, i ); | 
| 236 | haveError= 1; | 
| 237 | simError(); | 
| 238 | } | 
| 239 |  | 
| 240 | if(haveError) nodeZeroError(); | 
| 241 |  | 
| 242 | // Get the Node number which wants this atom: | 
| 243 | which_node = AtomToProcMap[i]; | 
| 244 | if (which_node == 0) { | 
| 245 | parseErr = parseDumpLine( read_buffer, i ); | 
| 246 | if( parseErr != NULL ){ | 
| 247 | strcpy( painCave.errMsg, parseErr ); | 
| 248 | haveError = 1; | 
| 249 | simError(); | 
| 250 | } | 
| 251 | if(haveError) nodeZeroError(); | 
| 252 | } | 
| 253 |  | 
| 254 | else { | 
| 255 |  | 
| 256 | myStatus = 1; | 
| 257 | MPI_Send(&myStatus, 1, MPI_INT, which_node, | 
| 258 | TAKE_THIS_TAG_INT, MPI_COMM_WORLD); | 
| 259 | MPI_Send(read_buffer, BUFFERSIZE, MPI_CHAR, which_node, | 
| 260 | TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD); | 
| 261 | MPI_Send(&i, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT, | 
| 262 | MPI_COMM_WORLD); | 
| 263 | MPI_Recv(&myStatus, 1, MPI_INT, which_node, TAKE_THIS_TAG_INT, | 
| 264 | MPI_COMM_WORLD, &istatus); | 
| 265 |  | 
| 266 | if(!myStatus) nodeZeroError(); | 
| 267 | } | 
| 268 | } | 
| 269 | myStatus = -1; | 
| 270 | for (j = 0; j < mpiSim->getNumberProcessors(); j++) { | 
| 271 | MPI_Send( &myStatus, 1, MPI_INT, j, | 
| 272 | TAKE_THIS_TAG_INT, MPI_COMM_WORLD); | 
| 273 | } | 
| 274 |  | 
| 275 | } else { | 
| 276 |  | 
| 277 | MPI_Bcast(boxMat, 9, MPI_DOUBLE, 0, MPI_COMM_WORLD); | 
| 278 | MPI_Bcast(&currTime, 1, MPI_DOUBLE, 0, MPI_COMM_WORLD); | 
| 279 |  | 
| 280 | done = 0; | 
| 281 | while (!done) { | 
| 282 |  | 
| 283 | MPI_Recv(&myStatus, 1, MPI_INT, 0, | 
| 284 | TAKE_THIS_TAG_INT, MPI_COMM_WORLD, &istatus); | 
| 285 |  | 
| 286 | if(!myStatus) anonymousNodeDie(); | 
| 287 |  | 
| 288 | if(myStatus < 0) break; | 
| 289 |  | 
| 290 | MPI_Recv(read_buffer, BUFFERSIZE, MPI_CHAR, 0, | 
| 291 | TAKE_THIS_TAG_CHAR, MPI_COMM_WORLD, &istatus); | 
| 292 | MPI_Recv(&which_atom, 1, MPI_INT, 0, | 
| 293 | TAKE_THIS_TAG_INT, MPI_COMM_WORLD, &istatus); | 
| 294 |  | 
| 295 | myStatus = 1; | 
| 296 | parseErr = parseDumpLine( read_buffer, which_atom ); | 
| 297 | if( parseErr != NULL ){ | 
| 298 | strcpy( painCave.errMsg, parseErr ); | 
| 299 | myStatus = 0;; | 
| 300 | simError(); | 
| 301 | } | 
| 302 |  | 
| 303 | MPI_Send( &myStatus, 1, MPI_INT, 0, | 
| 304 | TAKE_THIS_TAG_INT, MPI_COMM_WORLD); | 
| 305 |  | 
| 306 | } | 
| 307 | } | 
| 308 |  | 
| 309 | // last  thing last, enable  fatalities. | 
| 310 | painCave.isEventLoop = 0; | 
| 311 |  | 
| 312 | for(i=0;i<3;i++) | 
| 313 | for(j=0;j<3;j++) theBoxMat3[i][j] = boxMat[3*j+i]; | 
| 314 |  | 
| 315 | simnfo->setBoxM( theBoxMat3 ); | 
| 316 | simnfo->setTime( currTime ); | 
| 317 |  | 
| 318 |  | 
| 319 | #endif | 
| 320 | } | 
| 321 |  | 
| 322 | char* InitializeFromFile::parseDumpLine(char* readLine, int globalIndex){ | 
| 323 |  | 
| 324 | char *foo; // the pointer to the current string token | 
| 325 |  | 
| 326 | double pos[3]; // position place holders | 
| 327 | double vel[3]; // velocity placeholders | 
| 328 | double q[4]; // the quaternions | 
| 329 | double jx, jy, jz; // angular velocity placeholders; | 
| 330 | double qSqr, qLength; // needed to normalize the quaternion vector. | 
| 331 |  | 
| 332 | Atom **atoms = simnfo->atoms; | 
| 333 | DirectionalAtom* dAtom; | 
| 334 |  | 
| 335 | int j, n_atoms, atomIndex; | 
| 336 |  | 
| 337 | #ifdef IS_MPI | 
| 338 | n_atoms = mpiSim->getTotAtoms(); | 
| 339 | atomIndex=-1; | 
| 340 | for (j=0; j < mpiSim->getMyNlocal(); j++) { | 
| 341 | if (atoms[j]->getGlobalIndex() == globalIndex) atomIndex = j; | 
| 342 | } | 
| 343 | if (atomIndex == -1) { | 
| 344 | sprintf( painCave.errMsg, | 
| 345 | "Initialize from file error. Atom at index %d " | 
| 346 | "in file %s does not exist on processor %d .\n", | 
| 347 | globalIndex, c_in_name, mpiSim->getMyNode() ); | 
| 348 | return strdup( painCave.errMsg ); | 
| 349 | } | 
| 350 | #else | 
| 351 | n_atoms = simnfo->n_atoms; | 
| 352 | atomIndex = globalIndex; | 
| 353 | #endif // is_mpi | 
| 354 |  | 
| 355 | // set the string tokenizer | 
| 356 |  | 
| 357 | foo = strtok(readLine, " ,;\t"); | 
| 358 |  | 
| 359 | // check the atom name to the current atom | 
| 360 |  | 
| 361 | if( strcmp( foo, atoms[atomIndex]->getType() ) ){ | 
| 362 | sprintf( painCave.errMsg, | 
| 363 | "Initialize from file error. Atom %s at index %d " | 
| 364 | "in file %s does not" | 
| 365 | " match the BASS atom %s.\n", | 
| 366 | foo, atomIndex, c_in_name, atoms[atomIndex]->getType() ); | 
| 367 | return strdup( painCave.errMsg ); | 
| 368 | } | 
| 369 |  | 
| 370 | // get the positions | 
| 371 |  | 
| 372 | foo = strtok(NULL, " ,;\t"); | 
| 373 | if(foo == NULL){ | 
| 374 | sprintf( painCave.errMsg, | 
| 375 | "error in reading postition x from %s\n" | 
| 376 | "natoms  = %d, index = %d\n", | 
| 377 | c_in_name, n_atoms, atomIndex ); | 
| 378 | return strdup( painCave.errMsg ); | 
| 379 | } | 
| 380 | pos[0] = atof( foo ); | 
| 381 |  | 
| 382 | foo = strtok(NULL, " ,;\t"); | 
| 383 | if(foo == NULL){ | 
| 384 | sprintf( painCave.errMsg, | 
| 385 | "error in reading postition y from %s\n" | 
| 386 | "natoms  = %d, index = %d\n", | 
| 387 | c_in_name, n_atoms, atomIndex ); | 
| 388 | return strdup( painCave.errMsg ); | 
| 389 | } | 
| 390 | pos[1] = atof( foo ); | 
| 391 |  | 
| 392 | foo = strtok(NULL, " ,;\t"); | 
| 393 | if(foo == NULL){ | 
| 394 | sprintf( painCave.errMsg, | 
| 395 | "error in reading postition z from %s\n" | 
| 396 | "natoms  = %d, index = %d\n", | 
| 397 | c_in_name, n_atoms, atomIndex ); | 
| 398 | return strdup( painCave.errMsg ); | 
| 399 | } | 
| 400 | pos[2] = atof( foo ); | 
| 401 |  | 
| 402 |  | 
| 403 | // get the velocities | 
| 404 |  | 
| 405 | foo = strtok(NULL, " ,;\t"); | 
| 406 | if(foo == NULL){ | 
| 407 | sprintf( painCave.errMsg, | 
| 408 | "error in reading velocity x from %s\n" | 
| 409 | "natoms  = %d, index = %d\n", | 
| 410 | c_in_name, n_atoms, atomIndex ); | 
| 411 | return strdup( painCave.errMsg ); | 
| 412 | } | 
| 413 | vel[0] = atof( foo ); | 
| 414 |  | 
| 415 | foo = strtok(NULL, " ,;\t"); | 
| 416 | if(foo == NULL){ | 
| 417 | sprintf( painCave.errMsg, | 
| 418 | "error in reading velocity y from %s\n" | 
| 419 | "natoms  = %d, index = %d\n", | 
| 420 | c_in_name, n_atoms, atomIndex ); | 
| 421 | return strdup( painCave.errMsg ); | 
| 422 | } | 
| 423 | vel[1] = atof( foo ); | 
| 424 |  | 
| 425 | foo = strtok(NULL, " ,;\t"); | 
| 426 | if(foo == NULL){ | 
| 427 | sprintf( painCave.errMsg, | 
| 428 | "error in reading velocity z from %s\n" | 
| 429 | "natoms  = %d, index = %d\n", | 
| 430 | c_in_name, n_atoms, atomIndex ); | 
| 431 | return strdup( painCave.errMsg ); | 
| 432 | } | 
| 433 | vel[2] = atof( foo ); | 
| 434 |  | 
| 435 |  | 
| 436 | // get the quaternions | 
| 437 |  | 
| 438 | if( atoms[atomIndex]->isDirectional() ){ | 
| 439 |  | 
| 440 | foo = strtok(NULL, " ,;\t"); | 
| 441 | if(foo == NULL){ | 
| 442 | sprintf(painCave.errMsg, | 
| 443 | "error in reading quaternion 0 from %s\n" | 
| 444 | "natoms  = %d, index = %d\n", | 
| 445 | c_in_name, n_atoms, atomIndex ); | 
| 446 | return strdup( painCave.errMsg ); | 
| 447 | } | 
| 448 | q[0] = atof( foo ); | 
| 449 |  | 
| 450 | foo = strtok(NULL, " ,;\t"); | 
| 451 | if(foo == NULL){ | 
| 452 | sprintf( painCave.errMsg, | 
| 453 | "error in reading quaternion 1 from %s\n" | 
| 454 | "natoms  = %d, index = %d\n", | 
| 455 | c_in_name, n_atoms, atomIndex ); | 
| 456 | return strdup( painCave.errMsg ); | 
| 457 | } | 
| 458 | q[1] = atof( foo ); | 
| 459 |  | 
| 460 | foo = strtok(NULL, " ,;\t"); | 
| 461 | if(foo == NULL){ | 
| 462 | sprintf( painCave.errMsg, | 
| 463 | "error in reading quaternion 2 from %s\n" | 
| 464 | "natoms  = %d, index = %d\n", | 
| 465 | c_in_name, n_atoms, atomIndex ); | 
| 466 | return strdup( painCave.errMsg ); | 
| 467 | } | 
| 468 | q[2] = atof( foo ); | 
| 469 |  | 
| 470 | foo = strtok(NULL, " ,;\t"); | 
| 471 | if(foo == NULL){ | 
| 472 | sprintf( painCave.errMsg, | 
| 473 | "error in reading quaternion 3 from %s\n" | 
| 474 | "natoms  = %d, index = %d\n", | 
| 475 | c_in_name, n_atoms, atomIndex ); | 
| 476 | return strdup( painCave.errMsg ); | 
| 477 | } | 
| 478 | q[3] = atof( foo ); | 
| 479 |  | 
| 480 | // get the angular velocities | 
| 481 |  | 
| 482 | foo = strtok(NULL, " ,;\t"); | 
| 483 | if(foo == NULL){ | 
| 484 | sprintf( painCave.errMsg, | 
| 485 | "error in reading angular momentum jx from %s\n" | 
| 486 | "natoms  = %d, index = %d\n", | 
| 487 | c_in_name, n_atoms, atomIndex ); | 
| 488 | return strdup( painCave.errMsg ); | 
| 489 | } | 
| 490 | jx = atof( foo ); | 
| 491 |  | 
| 492 | foo = strtok(NULL, " ,;\t"); | 
| 493 | if(foo == NULL){ | 
| 494 | sprintf( painCave.errMsg, | 
| 495 | "error in reading angular momentum jy from %s\n" | 
| 496 | "natoms  = %d, index = %d\n", | 
| 497 | c_in_name, n_atoms, atomIndex ); | 
| 498 | return strdup( painCave.errMsg ); | 
| 499 | } | 
| 500 | jy = atof(foo ); | 
| 501 |  | 
| 502 | foo = strtok(NULL, " ,;\t"); | 
| 503 | if(foo == NULL){ | 
| 504 | sprintf( painCave.errMsg, | 
| 505 | "error in reading angular momentum jz from %s\n" | 
| 506 | "natoms  = %d, index = %d\n", | 
| 507 | c_in_name, n_atoms, atomIndex ); | 
| 508 | return strdup( painCave.errMsg ); | 
| 509 | } | 
| 510 | jz = atof( foo ); | 
| 511 |  | 
| 512 | dAtom = ( DirectionalAtom* )atoms[atomIndex]; | 
| 513 |  | 
| 514 | // check that the quaternion vector is normalized | 
| 515 |  | 
| 516 | qSqr = (q[0] * q[0]) + (q[1] * q[1]) + (q[2] * q[2]) + (q[3] * q[3]); | 
| 517 |  | 
| 518 | qLength = sqrt( qSqr ); | 
| 519 | q[0] = q[0] / qLength; | 
| 520 | q[1] = q[1] / qLength; | 
| 521 | q[2] = q[2] / qLength; | 
| 522 | q[3] = q[3] / qLength; | 
| 523 |  | 
| 524 | dAtom->setQ( q ); | 
| 525 |  | 
| 526 | // add the angular velocities | 
| 527 |  | 
| 528 | dAtom->setJx( jx ); | 
| 529 | dAtom->setJy( jy ); | 
| 530 | dAtom->setJz( jz ); | 
| 531 | } | 
| 532 |  | 
| 533 | // add the positions and velocities to the atom | 
| 534 |  | 
| 535 | atoms[atomIndex]->setPos( pos ); | 
| 536 | atoms[atomIndex]->setVel( vel ); | 
| 537 |  | 
| 538 | return NULL; | 
| 539 | } | 
| 540 |  | 
| 541 |  | 
| 542 | char* InitializeFromFile::parseBoxLine(char* readLine, double boxMat[9], | 
| 543 | double &time ){ | 
| 544 |  | 
| 545 | char *foo; // the pointer to the current string token | 
| 546 | int j; | 
| 547 |  | 
| 548 | // set the string tokenizer | 
| 549 |  | 
| 550 | foo = strtok(readLine, " ,;\t"); | 
| 551 | // set the timeToken. | 
| 552 |  | 
| 553 | if(foo == NULL){ | 
| 554 | sprintf( painCave.errMsg, | 
| 555 | "error in reading Time from %s\n", | 
| 556 | c_in_name ); | 
| 557 | return strdup( painCave.errMsg ); | 
| 558 | } | 
| 559 | time = atof( foo ); | 
| 560 |  | 
| 561 | // get the Hx vector | 
| 562 |  | 
| 563 | foo = strtok(NULL, " ,;\t"); | 
| 564 | if(foo == NULL){ | 
| 565 | sprintf( painCave.errMsg, | 
| 566 | "error in reading Hx[0] from %s\n", | 
| 567 | c_in_name ); | 
| 568 | return strdup( painCave.errMsg ); | 
| 569 | } | 
| 570 | boxMat[0] = atof( foo ); | 
| 571 |  | 
| 572 | foo = strtok(NULL, " ,;\t"); | 
| 573 | if(foo == NULL){ | 
| 574 | sprintf( painCave.errMsg, | 
| 575 | "error in reading Hx[1] from %s\n", | 
| 576 | c_in_name ); | 
| 577 | return strdup( painCave.errMsg ); | 
| 578 | } | 
| 579 | boxMat[1] = atof( foo ); | 
| 580 |  | 
| 581 | foo = strtok(NULL, " ,;\t"); | 
| 582 | if(foo == NULL){ | 
| 583 | sprintf( painCave.errMsg, | 
| 584 | "error in reading Hx[2] from %s\n", | 
| 585 | c_in_name ); | 
| 586 | return strdup( painCave.errMsg ); | 
| 587 | } | 
| 588 | boxMat[2] = atof( foo ); | 
| 589 |  | 
| 590 | // get the Hy vector | 
| 591 |  | 
| 592 | foo = strtok(NULL, " ,;\t"); | 
| 593 | if(foo == NULL){ | 
| 594 | sprintf( painCave.errMsg, | 
| 595 | "error in reading Hy[0] from %s\n", | 
| 596 | c_in_name ); | 
| 597 | return strdup( painCave.errMsg ); | 
| 598 | } | 
| 599 | boxMat[3] = atof( foo ); | 
| 600 |  | 
| 601 | foo = strtok(NULL, " ,;\t"); | 
| 602 | if(foo == NULL){ | 
| 603 | sprintf( painCave.errMsg, | 
| 604 | "error in reading Hy[1] from %s\n", | 
| 605 | c_in_name ); | 
| 606 | return strdup( painCave.errMsg ); | 
| 607 | } | 
| 608 | boxMat[4] = atof( foo ); | 
| 609 |  | 
| 610 | foo = strtok(NULL, " ,;\t"); | 
| 611 | if(foo == NULL){ | 
| 612 | sprintf( painCave.errMsg, | 
| 613 | "error in reading Hy[2] from %s\n", | 
| 614 | c_in_name ); | 
| 615 | return strdup( painCave.errMsg ); | 
| 616 | } | 
| 617 | boxMat[5] = atof( foo ); | 
| 618 |  | 
| 619 | // get the Hz vector | 
| 620 |  | 
| 621 | foo = strtok(NULL, " ,;\t"); | 
| 622 | if(foo == NULL){ | 
| 623 | sprintf( painCave.errMsg, | 
| 624 | "error in reading Hz[0] from %s\n", | 
| 625 | c_in_name ); | 
| 626 | return strdup( painCave.errMsg ); | 
| 627 | } | 
| 628 | boxMat[6] = atof( foo ); | 
| 629 |  | 
| 630 | foo = strtok(NULL, " ,;\t"); | 
| 631 | if(foo == NULL){ | 
| 632 | sprintf( painCave.errMsg, | 
| 633 | "error in reading Hz[1] from %s\n", | 
| 634 | c_in_name ); | 
| 635 | return strdup( painCave.errMsg ); | 
| 636 | } | 
| 637 | boxMat[7] = atof( foo ); | 
| 638 |  | 
| 639 | foo = strtok(NULL, " ,;\t"); | 
| 640 | if(foo == NULL){ | 
| 641 | sprintf( painCave.errMsg, | 
| 642 | "error in reading Hz[2] from %s\n", | 
| 643 | c_in_name ); | 
| 644 | return strdup( painCave.errMsg ); | 
| 645 | } | 
| 646 | boxMat[8] = atof( foo ); | 
| 647 |  | 
| 648 | return NULL; | 
| 649 | } | 
| 650 |  | 
| 651 |  | 
| 652 | #ifdef IS_MPI | 
| 653 |  | 
| 654 | // a couple of functions to let us escape the read loop | 
| 655 |  | 
| 656 | void initFile::nodeZeroError( void ){ | 
| 657 | int j, myStatus; | 
| 658 |  | 
| 659 | myStatus = 0; | 
| 660 | for (j = 0; j < mpiSim->getNumberProcessors(); j++) { | 
| 661 | MPI_Send( &myStatus, 1, MPI_INT, j, | 
| 662 | TAKE_THIS_TAG_INT, MPI_COMM_WORLD); | 
| 663 | } | 
| 664 |  | 
| 665 |  | 
| 666 | MPI_Finalize(); | 
| 667 | exit (0); | 
| 668 |  | 
| 669 | } | 
| 670 |  | 
| 671 | void initFile::anonymousNodeDie( void ){ | 
| 672 |  | 
| 673 | MPI_Finalize(); | 
| 674 | exit (0); | 
| 675 | } | 
| 676 |  | 
| 677 | #endif //is_mpi |