| 1 |
#include <stdlib.h> |
| 2 |
#include <stdio.h> |
| 3 |
#include <string.h> |
| 4 |
|
| 5 |
#include <iostream> |
| 6 |
using namespace std; |
| 7 |
|
| 8 |
#ifdef IS_MPI |
| 9 |
#include <mpi.h> |
| 10 |
#endif //is_mpi |
| 11 |
|
| 12 |
#include "ForceFields.hpp" |
| 13 |
#include "SRI.hpp" |
| 14 |
#include "simError.h" |
| 15 |
|
| 16 |
#include "fortranWrappers.hpp" |
| 17 |
|
| 18 |
#ifdef IS_MPI |
| 19 |
#include "mpiForceField.h" |
| 20 |
#endif // is_mpi |
| 21 |
|
| 22 |
|
| 23 |
|
| 24 |
namespace EAM_NS{ |
| 25 |
|
| 26 |
// Declare the structures that will be passed by the parser and MPI |
| 27 |
|
| 28 |
typedef struct{ |
| 29 |
char name[15]; |
| 30 |
double mass; |
| 31 |
double lattice_constant; |
| 32 |
double eam_drho; // The distance between each of the points indexed by rho. |
| 33 |
double eam_rcut; // The cutoff radius for eam. |
| 34 |
double eam_dr; // The distance between each of the rho points. |
| 35 |
int eam_nrho; // Number of points indexed by rho |
| 36 |
int eam_nr; // The number of points based on r (Both Phi(r) and Rho(r)). |
| 37 |
int eam_ident; // Atomic number |
| 38 |
int ident; |
| 39 |
int last; // 0 -> default |
| 40 |
// 1 -> in MPI: tells nodes to stop listening |
| 41 |
} atomStruct; |
| 42 |
|
| 43 |
int parseAtom( char *lineBuffer, int lineNum, atomStruct &info, char *eamPotFile ); |
| 44 |
int parseEAM( atomStruct &info, char *eamPotFile, double **eam_rvals, |
| 45 |
double **eam_rhovals, double **eam_Frhovals); |
| 46 |
#ifdef IS_MPI |
| 47 |
|
| 48 |
MPI_Datatype mpiAtomStructType; |
| 49 |
|
| 50 |
#endif |
| 51 |
|
| 52 |
class LinkedAtomType { |
| 53 |
public: |
| 54 |
LinkedAtomType(){ |
| 55 |
next = NULL; |
| 56 |
name[0] = '\0'; |
| 57 |
eam_rvals = NULL; |
| 58 |
eam_rhovals = NULL; |
| 59 |
eam_Frhovals = NULL; |
| 60 |
} |
| 61 |
|
| 62 |
~LinkedAtomType(){ |
| 63 |
if( next != NULL ) delete next; |
| 64 |
if( eam_rvals != NULL ) delete[] eam_rvals; |
| 65 |
if( eam_rhovals != NULL ) delete[] eam_rhovals; |
| 66 |
if( eam_Frhovals != NULL ) delete[] eam_Frhovals; |
| 67 |
} |
| 68 |
|
| 69 |
LinkedAtomType* find(char* key){ |
| 70 |
if( !strcmp(name, key) ) return this; |
| 71 |
if( next != NULL ) return next->find(key); |
| 72 |
return NULL; |
| 73 |
} |
| 74 |
|
| 75 |
|
| 76 |
void add( atomStruct &info, double *the_eam_rvals, |
| 77 |
double *the_eam_rhovals,double *the_eam_Frhovals ){ |
| 78 |
|
| 79 |
// check for duplicates |
| 80 |
|
| 81 |
if( !strcmp( info.name, name ) ){ |
| 82 |
sprintf( painCave.errMsg, |
| 83 |
"Duplicate LJ atom type \"%s\" found in " |
| 84 |
"the LJ_FF param file./n", |
| 85 |
name ); |
| 86 |
painCave.isFatal = 1; |
| 87 |
simError(); |
| 88 |
} |
| 89 |
|
| 90 |
if( next != NULL ) next->add(info, the_eam_rvals, the_eam_rhovals, the_eam_Frhovals); |
| 91 |
else{ |
| 92 |
next = new LinkedAtomType(); |
| 93 |
strcpy(next->name, info.name); |
| 94 |
next->mass = info.mass; |
| 95 |
next->lattice_constant = info.lattice_constant; |
| 96 |
next->eam_nrho = info.eam_nrho; |
| 97 |
next->eam_drho = info.eam_drho; |
| 98 |
next->eam_nr = info.eam_nr; |
| 99 |
next->eam_dr = info.eam_dr; |
| 100 |
next->eam_rcut = info.eam_rcut; |
| 101 |
next->eam_ident = info.eam_ident; |
| 102 |
next->ident = info.ident; |
| 103 |
|
| 104 |
next->eam_rvals = the_eam_rvals; |
| 105 |
next->eam_rhovals = the_eam_rhovals; |
| 106 |
next->eam_Frhovals = the_eam_Frhovals; |
| 107 |
} |
| 108 |
} |
| 109 |
|
| 110 |
|
| 111 |
#ifdef IS_MPI |
| 112 |
|
| 113 |
void duplicate( atomStruct &info ){ |
| 114 |
strcpy(info.name, name); |
| 115 |
info.mass = mass; |
| 116 |
info.lattice_constant = lattice_constant; |
| 117 |
info.eam_nrho = eam_nrho; |
| 118 |
info.eam_drho = eam_drho; |
| 119 |
info.eam_nr = eam_nr; |
| 120 |
info.eam_dr = eam_dr; |
| 121 |
info.eam_rcut = eam_rcut; |
| 122 |
info.eam_ident = eam_ident; |
| 123 |
info.ident = ident; |
| 124 |
info.last = 0; |
| 125 |
} |
| 126 |
|
| 127 |
|
| 128 |
#endif |
| 129 |
|
| 130 |
char name[15]; |
| 131 |
double mass; |
| 132 |
double lattice_constant; |
| 133 |
int eam_nrho; // Number of points indexed by rho |
| 134 |
double eam_drho; // The distance between each of the points indexed by rho. |
| 135 |
int eam_nr; // The number of points based on r (Both Phi(r) and Rho(r)). |
| 136 |
double eam_dr; // The distance between each of the rho points. |
| 137 |
double eam_rcut; // The cutoff radius for eam. |
| 138 |
|
| 139 |
double *eam_rvals; // Z of r values |
| 140 |
double *eam_rhovals; // rho of r values |
| 141 |
double *eam_Frhovals; // F of rho values |
| 142 |
int eam_ident; // eam identity (atomic number) |
| 143 |
int ident; |
| 144 |
LinkedAtomType* next; |
| 145 |
}; |
| 146 |
|
| 147 |
LinkedAtomType* headAtomType; |
| 148 |
LinkedAtomType* currentAtomType; |
| 149 |
|
| 150 |
} |
| 151 |
|
| 152 |
using namespace EAM_NS; |
| 153 |
|
| 154 |
//**************************************************************** |
| 155 |
// begins the actual forcefield stuff. |
| 156 |
//**************************************************************** |
| 157 |
|
| 158 |
|
| 159 |
EAM_FF::EAM_FF(){ |
| 160 |
|
| 161 |
char fileName[200]; |
| 162 |
char* ffPath_env = "FORCE_PARAM_PATH"; |
| 163 |
char* ffPath; |
| 164 |
char temp[200]; |
| 165 |
|
| 166 |
headAtomType = NULL; |
| 167 |
currentAtomType = NULL; |
| 168 |
|
| 169 |
// Set eamRcut to 0.0 |
| 170 |
eamRcut = 0.0; |
| 171 |
|
| 172 |
// do the funtion wrapping |
| 173 |
wrapMeFF( this ); |
| 174 |
|
| 175 |
#ifdef IS_MPI |
| 176 |
int i; |
| 177 |
|
| 178 |
// ********************************************************************** |
| 179 |
// Init the atomStruct mpi type |
| 180 |
|
| 181 |
atomStruct atomProto; // mpiPrototype |
| 182 |
int atomBC[3] = {15,5,5}; // block counts |
| 183 |
MPI_Aint atomDspls[3]; // displacements |
| 184 |
MPI_Datatype atomMbrTypes[3]; // member mpi types |
| 185 |
|
| 186 |
MPI_Address(&atomProto.name, &atomDspls[0]); |
| 187 |
MPI_Address(&atomProto.mass, &atomDspls[1]); |
| 188 |
MPI_Address(&atomProto.eam_nrho, &atomDspls[2]); |
| 189 |
|
| 190 |
atomMbrTypes[0] = MPI_CHAR; |
| 191 |
atomMbrTypes[1] = MPI_DOUBLE; |
| 192 |
atomMbrTypes[2] = MPI_INT; |
| 193 |
|
| 194 |
for (i=2; i >= 0; i--) atomDspls[i] -= atomDspls[0]; |
| 195 |
|
| 196 |
MPI_Type_struct(3, atomBC, atomDspls, atomMbrTypes, &mpiAtomStructType); |
| 197 |
MPI_Type_commit(&mpiAtomStructType); |
| 198 |
|
| 199 |
// *********************************************************************** |
| 200 |
|
| 201 |
if( worldRank == 0 ){ |
| 202 |
#endif |
| 203 |
|
| 204 |
// generate the force file name |
| 205 |
|
| 206 |
strcpy( fileName, "EAM_FF.frc" ); |
| 207 |
// fprintf( stderr,"Trying to open %s\n", fileName ); |
| 208 |
|
| 209 |
// attempt to open the file in the current directory first. |
| 210 |
|
| 211 |
frcFile = fopen( fileName, "r" ); |
| 212 |
|
| 213 |
if( frcFile == NULL ){ |
| 214 |
|
| 215 |
// next see if the force path enviorment variable is set |
| 216 |
|
| 217 |
ffPath = getenv( ffPath_env ); |
| 218 |
if( ffPath == NULL ) { |
| 219 |
STR_DEFINE(ffPath, FRC_PATH ); |
| 220 |
} |
| 221 |
|
| 222 |
|
| 223 |
strcpy( temp, ffPath ); |
| 224 |
strcat( temp, "/" ); |
| 225 |
strcat( temp, fileName ); |
| 226 |
strcpy( fileName, temp ); |
| 227 |
|
| 228 |
frcFile = fopen( fileName, "r" ); |
| 229 |
|
| 230 |
if( frcFile == NULL ){ |
| 231 |
|
| 232 |
sprintf( painCave.errMsg, |
| 233 |
"Error opening the force field parameter file: %s\n" |
| 234 |
"Have you tried setting the FORCE_PARAM_PATH environment " |
| 235 |
"vairable?\n", |
| 236 |
fileName ); |
| 237 |
painCave.isFatal = 1; |
| 238 |
simError(); |
| 239 |
} |
| 240 |
} |
| 241 |
|
| 242 |
#ifdef IS_MPI |
| 243 |
} |
| 244 |
|
| 245 |
sprintf( checkPointMsg, "EAM_FF file opened sucessfully." ); |
| 246 |
MPIcheckPoint(); |
| 247 |
|
| 248 |
#endif // is_mpi |
| 249 |
} |
| 250 |
|
| 251 |
|
| 252 |
EAM_FF::~EAM_FF(){ |
| 253 |
|
| 254 |
if( headAtomType != NULL ) delete headAtomType; |
| 255 |
|
| 256 |
#ifdef IS_MPI |
| 257 |
if( worldRank == 0 ){ |
| 258 |
#endif // is_mpi |
| 259 |
|
| 260 |
fclose( frcFile ); |
| 261 |
|
| 262 |
#ifdef IS_MPI |
| 263 |
} |
| 264 |
#endif // is_mpi |
| 265 |
} |
| 266 |
|
| 267 |
|
| 268 |
void EAM_FF::calcRcut( void ){ |
| 269 |
|
| 270 |
#ifdef IS_MPI |
| 271 |
double tempEamRcut = eamRcut; |
| 272 |
MPI_Allreduce( &tempEamRcut, &eamRcut, 1, MPI_DOUBLE, MPI_MAX, |
| 273 |
MPI_COMM_WORLD); |
| 274 |
#endif //is_mpi |
| 275 |
entry_plug->setDefaultRcut(eamRcut); |
| 276 |
} |
| 277 |
|
| 278 |
|
| 279 |
void EAM_FF::initForceField( int ljMixRule ){ |
| 280 |
initFortran( ljMixRule, 0 ); |
| 281 |
} |
| 282 |
|
| 283 |
void EAM_FF::cleanMe( void ){ |
| 284 |
|
| 285 |
#ifdef IS_MPI |
| 286 |
|
| 287 |
// keep the linked list in the mpi version |
| 288 |
|
| 289 |
#else // is_mpi |
| 290 |
|
| 291 |
// delete the linked list in the single processor version |
| 292 |
|
| 293 |
if( headAtomType != NULL ) delete headAtomType; |
| 294 |
|
| 295 |
#endif // is_mpi |
| 296 |
} |
| 297 |
|
| 298 |
|
| 299 |
void EAM_FF::readParams( void ){ |
| 300 |
|
| 301 |
atomStruct info; |
| 302 |
info.last = 1; // initialize last to have the last set. |
| 303 |
// if things go well, last will be set to 0 |
| 304 |
|
| 305 |
int identNum; |
| 306 |
double *eam_rvals; // Z of r values |
| 307 |
double *eam_rhovals; // rho of r values |
| 308 |
double *eam_Frhovals; // F of rho values |
| 309 |
char eamPotFile[1000]; |
| 310 |
|
| 311 |
|
| 312 |
bigSigma = 0.0; |
| 313 |
#ifdef IS_MPI |
| 314 |
if( worldRank == 0 ){ |
| 315 |
#endif |
| 316 |
|
| 317 |
// read in the atom types. |
| 318 |
|
| 319 |
headAtomType = new LinkedAtomType; |
| 320 |
|
| 321 |
fastForward( "AtomTypes", "eam atom readParams" ); |
| 322 |
|
| 323 |
// we are now at the AtomTypes section. |
| 324 |
|
| 325 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
| 326 |
lineNum++; |
| 327 |
|
| 328 |
|
| 329 |
// read a line, and start parseing out the atom types |
| 330 |
|
| 331 |
if( eof_test == NULL ){ |
| 332 |
sprintf( painCave.errMsg, |
| 333 |
"Error in reading Atoms from force file at line %d.\n", |
| 334 |
lineNum ); |
| 335 |
painCave.isFatal = 1; |
| 336 |
simError(); |
| 337 |
} |
| 338 |
|
| 339 |
identNum = 1; |
| 340 |
// stop reading at end of file, or at next section |
| 341 |
|
| 342 |
while( readLine[0] != '#' && eof_test != NULL ){ |
| 343 |
|
| 344 |
// toss comment lines |
| 345 |
if( readLine[0] != '!' ){ |
| 346 |
|
| 347 |
// the parser returns 0 if the line was blank |
| 348 |
if( parseAtom( readLine, lineNum, info, eamPotFile ) ){ |
| 349 |
parseEAM(info,eamPotFile, &eam_rvals, |
| 350 |
&eam_rhovals, &eam_Frhovals); |
| 351 |
info.ident = identNum; |
| 352 |
headAtomType->add( info, eam_rvals, |
| 353 |
eam_rhovals,eam_Frhovals ); |
| 354 |
identNum++; |
| 355 |
} |
| 356 |
} |
| 357 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
| 358 |
lineNum++; |
| 359 |
} |
| 360 |
|
| 361 |
|
| 362 |
|
| 363 |
#ifdef IS_MPI |
| 364 |
|
| 365 |
|
| 366 |
// send out the linked list to all the other processes |
| 367 |
|
| 368 |
sprintf( checkPointMsg, |
| 369 |
"EAM_FF atom structures read successfully." ); |
| 370 |
MPIcheckPoint(); |
| 371 |
|
| 372 |
currentAtomType = headAtomType->next; //skip the first element who is a place holder. |
| 373 |
while( currentAtomType != NULL ){ |
| 374 |
currentAtomType->duplicate( info ); |
| 375 |
|
| 376 |
|
| 377 |
|
| 378 |
sendFrcStruct( &info, mpiAtomStructType ); |
| 379 |
|
| 380 |
// We have to now broadcast the Arrays |
| 381 |
MPI_Bcast(currentAtomType->eam_rvals, |
| 382 |
currentAtomType->eam_nr, |
| 383 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
| 384 |
MPI_Bcast(currentAtomType->eam_rhovals, |
| 385 |
currentAtomType->eam_nr, |
| 386 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
| 387 |
MPI_Bcast(currentAtomType->eam_Frhovals, |
| 388 |
currentAtomType->eam_nrho, |
| 389 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
| 390 |
|
| 391 |
sprintf( checkPointMsg, |
| 392 |
"successfully sent EAM force type: \"%s\"\n", |
| 393 |
info.name ); |
| 394 |
MPIcheckPoint(); |
| 395 |
|
| 396 |
currentAtomType = currentAtomType->next; |
| 397 |
} |
| 398 |
info.last = 1; |
| 399 |
sendFrcStruct( &info, mpiAtomStructType ); |
| 400 |
|
| 401 |
} |
| 402 |
|
| 403 |
else{ |
| 404 |
|
| 405 |
// listen for node 0 to send out the force params |
| 406 |
|
| 407 |
MPIcheckPoint(); |
| 408 |
|
| 409 |
headAtomType = new LinkedAtomType; |
| 410 |
recieveFrcStruct( &info, mpiAtomStructType ); |
| 411 |
|
| 412 |
while( !info.last ){ |
| 413 |
|
| 414 |
// allocate the arrays |
| 415 |
|
| 416 |
eam_rvals = new double[info.eam_nr]; |
| 417 |
eam_rhovals = new double[info.eam_nr]; |
| 418 |
eam_Frhovals = new double[info.eam_nrho]; |
| 419 |
|
| 420 |
// We have to now broadcast the Arrays |
| 421 |
MPI_Bcast(eam_rvals, |
| 422 |
info.eam_nr, |
| 423 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
| 424 |
MPI_Bcast(eam_rhovals, |
| 425 |
info.eam_nr, |
| 426 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
| 427 |
MPI_Bcast(eam_Frhovals, |
| 428 |
info.eam_nrho, |
| 429 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
| 430 |
|
| 431 |
|
| 432 |
headAtomType->add( info, eam_rvals, eam_rhovals, eam_Frhovals ); |
| 433 |
|
| 434 |
MPIcheckPoint(); |
| 435 |
|
| 436 |
recieveFrcStruct( &info, mpiAtomStructType ); |
| 437 |
|
| 438 |
|
| 439 |
} |
| 440 |
} |
| 441 |
#endif // is_mpi |
| 442 |
|
| 443 |
// call new A_types in fortran |
| 444 |
|
| 445 |
int isError; |
| 446 |
|
| 447 |
// dummy variables |
| 448 |
int isLJ = 0; |
| 449 |
int isDipole = 0; |
| 450 |
int isSSD = 0; |
| 451 |
int isGB = 0; |
| 452 |
int isEAM = 1; |
| 453 |
int isCharge = 0; |
| 454 |
double dipole = 0.0; |
| 455 |
double charge = 0.0; |
| 456 |
double eamSigma = 0.0; |
| 457 |
double eamEpslon = 0.0; |
| 458 |
|
| 459 |
currentAtomType = headAtomType->next; |
| 460 |
while( currentAtomType != NULL ){ |
| 461 |
|
| 462 |
if( currentAtomType->name[0] != '\0' ){ |
| 463 |
isError = 0; |
| 464 |
makeAtype( &(currentAtomType->ident), |
| 465 |
&isLJ, |
| 466 |
&isSSD, |
| 467 |
&isDipole, |
| 468 |
&isGB, |
| 469 |
&isEAM, |
| 470 |
&isCharge, |
| 471 |
&eamEpslon, |
| 472 |
&eamSigma, |
| 473 |
&charge, |
| 474 |
&dipole, |
| 475 |
&isError ); |
| 476 |
if( isError ){ |
| 477 |
sprintf( painCave.errMsg, |
| 478 |
"Error initializing the \"%s\" atom type in fortran\n", |
| 479 |
currentAtomType->name ); |
| 480 |
painCave.isFatal = 1; |
| 481 |
simError(); |
| 482 |
} |
| 483 |
} |
| 484 |
currentAtomType = currentAtomType->next; |
| 485 |
} |
| 486 |
|
| 487 |
entry_plug->useLJ = 0; |
| 488 |
entry_plug->useEAM = 1; |
| 489 |
// Walk down again and send out EAM type |
| 490 |
currentAtomType = headAtomType->next; |
| 491 |
while( currentAtomType != NULL ){ |
| 492 |
|
| 493 |
if( currentAtomType->name[0] != '\0' ){ |
| 494 |
isError = 0; |
| 495 |
|
| 496 |
newEAMtype( &(currentAtomType->lattice_constant), |
| 497 |
&(currentAtomType->eam_nrho), |
| 498 |
&(currentAtomType->eam_drho), |
| 499 |
&(currentAtomType->eam_nr), |
| 500 |
&(currentAtomType->eam_dr), |
| 501 |
&(currentAtomType->eam_rcut), |
| 502 |
currentAtomType->eam_rvals, |
| 503 |
currentAtomType->eam_rhovals, |
| 504 |
currentAtomType->eam_Frhovals, |
| 505 |
&(currentAtomType->eam_ident), |
| 506 |
&isError); |
| 507 |
|
| 508 |
if( isError ){ |
| 509 |
sprintf( painCave.errMsg, |
| 510 |
"Error initializing the \"%s\" atom type in fortran EAM\n", |
| 511 |
currentAtomType->name ); |
| 512 |
painCave.isFatal = 1; |
| 513 |
simError(); |
| 514 |
} |
| 515 |
} |
| 516 |
currentAtomType = currentAtomType->next; |
| 517 |
} |
| 518 |
|
| 519 |
|
| 520 |
|
| 521 |
#ifdef IS_MPI |
| 522 |
sprintf( checkPointMsg, |
| 523 |
"EAM_FF atom structures successfully sent to fortran\n" ); |
| 524 |
MPIcheckPoint(); |
| 525 |
#endif // is_mpi |
| 526 |
|
| 527 |
|
| 528 |
|
| 529 |
} |
| 530 |
|
| 531 |
|
| 532 |
void EAM_FF::initializeAtoms( int nAtoms, Atom** the_atoms ){ |
| 533 |
|
| 534 |
int i; |
| 535 |
|
| 536 |
// initialize the atoms |
| 537 |
|
| 538 |
for( i=0; i<nAtoms; i++ ){ |
| 539 |
|
| 540 |
currentAtomType = headAtomType->find( the_atoms[i]->getType() ); |
| 541 |
if( currentAtomType == NULL ){ |
| 542 |
sprintf( painCave.errMsg, |
| 543 |
"AtomType error, %s not found in force file.\n", |
| 544 |
the_atoms[i]->getType() ); |
| 545 |
painCave.isFatal = 1; |
| 546 |
simError(); |
| 547 |
} |
| 548 |
|
| 549 |
the_atoms[i]->setMass( currentAtomType->mass ); |
| 550 |
the_atoms[i]->setIdent( currentAtomType->ident ); |
| 551 |
the_atoms[i]->setEAM(); |
| 552 |
the_atoms[i]->setEamRcut( currentAtomType->eam_rcut); |
| 553 |
|
| 554 |
if (eamRcut < currentAtomType->eam_rcut) eamRcut = currentAtomType->eam_rcut; |
| 555 |
|
| 556 |
} |
| 557 |
} |
| 558 |
|
| 559 |
void EAM_FF::initializeBonds( int nBonds, Bond** BondArray, |
| 560 |
bond_pair* the_bonds ){ |
| 561 |
|
| 562 |
if( nBonds ){ |
| 563 |
sprintf( painCave.errMsg, |
| 564 |
"LJ_FF does not support bonds.\n" ); |
| 565 |
painCave.isFatal = 1; |
| 566 |
simError(); |
| 567 |
} |
| 568 |
} |
| 569 |
|
| 570 |
void EAM_FF::initializeBends( int nBends, Bend** bendArray, |
| 571 |
bend_set* the_bends ){ |
| 572 |
|
| 573 |
if( nBends ){ |
| 574 |
sprintf( painCave.errMsg, |
| 575 |
"LJ_FF does not support bends.\n" ); |
| 576 |
painCave.isFatal = 1; |
| 577 |
simError(); |
| 578 |
} |
| 579 |
} |
| 580 |
|
| 581 |
void EAM_FF::initializeTorsions( int nTorsions, Torsion** torsionArray, |
| 582 |
torsion_set* the_torsions ){ |
| 583 |
|
| 584 |
if( nTorsions ){ |
| 585 |
sprintf( painCave.errMsg, |
| 586 |
"LJ_FF does not support torsions.\n" ); |
| 587 |
painCave.isFatal = 1; |
| 588 |
simError(); |
| 589 |
} |
| 590 |
} |
| 591 |
|
| 592 |
void EAM_FF::fastForward( char* stopText, char* searchOwner ){ |
| 593 |
|
| 594 |
int foundText = 0; |
| 595 |
char* the_token; |
| 596 |
|
| 597 |
rewind( frcFile ); |
| 598 |
lineNum = 0; |
| 599 |
|
| 600 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
| 601 |
lineNum++; |
| 602 |
if( eof_test == NULL ){ |
| 603 |
sprintf( painCave.errMsg, "Error fast forwarding force file for %s: " |
| 604 |
" file is empty.\n", |
| 605 |
searchOwner ); |
| 606 |
painCave.isFatal = 1; |
| 607 |
simError(); |
| 608 |
} |
| 609 |
|
| 610 |
|
| 611 |
while( !foundText ){ |
| 612 |
while( eof_test != NULL && readLine[0] != '#' ){ |
| 613 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
| 614 |
lineNum++; |
| 615 |
} |
| 616 |
if( eof_test == NULL ){ |
| 617 |
sprintf( painCave.errMsg, |
| 618 |
"Error fast forwarding force file for %s at " |
| 619 |
"line %d: file ended unexpectedly.\n", |
| 620 |
searchOwner, |
| 621 |
lineNum ); |
| 622 |
painCave.isFatal = 1; |
| 623 |
simError(); |
| 624 |
} |
| 625 |
|
| 626 |
the_token = strtok( readLine, " ,;\t#\n" ); |
| 627 |
foundText = !strcmp( stopText, the_token ); |
| 628 |
|
| 629 |
if( !foundText ){ |
| 630 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
| 631 |
lineNum++; |
| 632 |
|
| 633 |
if( eof_test == NULL ){ |
| 634 |
sprintf( painCave.errMsg, |
| 635 |
"Error fast forwarding force file for %s at " |
| 636 |
"line %d: file ended unexpectedly.\n", |
| 637 |
searchOwner, |
| 638 |
lineNum ); |
| 639 |
painCave.isFatal = 1; |
| 640 |
simError(); |
| 641 |
} |
| 642 |
} |
| 643 |
} |
| 644 |
} |
| 645 |
|
| 646 |
|
| 647 |
|
| 648 |
int EAM_NS::parseAtom( char *lineBuffer, int lineNum, atomStruct &info, char *eamPotFile ){ |
| 649 |
|
| 650 |
char* the_token; |
| 651 |
|
| 652 |
the_token = strtok( lineBuffer, " \n\t,;" ); |
| 653 |
if( the_token != NULL ){ |
| 654 |
|
| 655 |
strcpy( info.name, the_token ); |
| 656 |
|
| 657 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 658 |
sprintf( painCave.errMsg, |
| 659 |
"Error parseing AtomTypes: line %d\n", lineNum ); |
| 660 |
painCave.isFatal = 1; |
| 661 |
simError(); |
| 662 |
} |
| 663 |
|
| 664 |
info.mass = atof( the_token ); |
| 665 |
|
| 666 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 667 |
sprintf( painCave.errMsg, |
| 668 |
"Error parseing AtomTypes: line %d\n", lineNum ); |
| 669 |
painCave.isFatal = 1; |
| 670 |
simError(); |
| 671 |
} |
| 672 |
|
| 673 |
strcpy( eamPotFile, the_token ); |
| 674 |
return 1; |
| 675 |
} |
| 676 |
else return 0; |
| 677 |
} |
| 678 |
|
| 679 |
int EAM_NS::parseEAM(atomStruct &info, char *eamPotFile, |
| 680 |
double **eam_rvals, |
| 681 |
double **eam_rhovals, |
| 682 |
double **eam_Frhovals){ |
| 683 |
double* myEam_rvals; |
| 684 |
double* myEam_rhovals; |
| 685 |
double* myEam_Frhovals; |
| 686 |
|
| 687 |
char* ffPath_env = "FORCE_PARAM_PATH"; |
| 688 |
char* ffPath; |
| 689 |
char* the_token; |
| 690 |
char* eam_eof_test; |
| 691 |
FILE *eamFile; |
| 692 |
const int BUFFERSIZE = 3000; |
| 693 |
|
| 694 |
char temp[200]; |
| 695 |
int linenumber; |
| 696 |
int nReadLines; |
| 697 |
char eam_read_buffer[BUFFERSIZE]; |
| 698 |
|
| 699 |
|
| 700 |
int i,j; |
| 701 |
|
| 702 |
linenumber = 0; |
| 703 |
|
| 704 |
// Open eam file |
| 705 |
eamFile = fopen( eamPotFile, "r" ); |
| 706 |
|
| 707 |
|
| 708 |
if( eamFile == NULL ){ |
| 709 |
|
| 710 |
// next see if the force path enviorment variable is set |
| 711 |
|
| 712 |
ffPath = getenv( ffPath_env ); |
| 713 |
if( ffPath == NULL ) { |
| 714 |
STR_DEFINE(ffPath, FRC_PATH ); |
| 715 |
} |
| 716 |
|
| 717 |
|
| 718 |
strcpy( temp, ffPath ); |
| 719 |
strcat( temp, "/" ); |
| 720 |
strcat( temp, eamPotFile ); |
| 721 |
strcpy( eamPotFile, temp ); |
| 722 |
|
| 723 |
eamFile = fopen( eamPotFile, "r" ); |
| 724 |
|
| 725 |
|
| 726 |
|
| 727 |
if( eamFile == NULL ){ |
| 728 |
|
| 729 |
sprintf( painCave.errMsg, |
| 730 |
"Error opening the EAM force parameter file: %s\n" |
| 731 |
"Have you tried setting the FORCE_PARAM_PATH environment " |
| 732 |
"vairable?\n", |
| 733 |
eamPotFile ); |
| 734 |
painCave.isFatal = 1; |
| 735 |
simError(); |
| 736 |
} |
| 737 |
} |
| 738 |
|
| 739 |
// First line is a comment line, read and toss it.... |
| 740 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
| 741 |
linenumber++; |
| 742 |
if(eam_eof_test == NULL){ |
| 743 |
sprintf( painCave.errMsg, |
| 744 |
"error in reading commment in %s\n", eamPotFile); |
| 745 |
painCave.isFatal = 1; |
| 746 |
simError(); |
| 747 |
} |
| 748 |
|
| 749 |
|
| 750 |
|
| 751 |
// The Second line contains atomic number, atomic mass and a lattice constant |
| 752 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
| 753 |
linenumber++; |
| 754 |
if(eam_eof_test == NULL){ |
| 755 |
sprintf( painCave.errMsg, |
| 756 |
"error in reading Identifier line in %s\n", eamPotFile); |
| 757 |
painCave.isFatal = 1; |
| 758 |
simError(); |
| 759 |
} |
| 760 |
|
| 761 |
|
| 762 |
|
| 763 |
|
| 764 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
| 765 |
sprintf( painCave.errMsg, |
| 766 |
"Error parseing EAM ident line in %s\n", eamPotFile ); |
| 767 |
painCave.isFatal = 1; |
| 768 |
simError(); |
| 769 |
} |
| 770 |
|
| 771 |
info.eam_ident = atoi( the_token ); |
| 772 |
|
| 773 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 774 |
sprintf( painCave.errMsg, |
| 775 |
"Error parseing EAM mass in %s\n", eamPotFile ); |
| 776 |
painCave.isFatal = 1; |
| 777 |
simError(); |
| 778 |
} |
| 779 |
info.mass = atof( the_token); |
| 780 |
|
| 781 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 782 |
sprintf( painCave.errMsg, |
| 783 |
"Error parseing EAM Lattice Constant %s\n", eamPotFile ); |
| 784 |
painCave.isFatal = 1; |
| 785 |
simError(); |
| 786 |
} |
| 787 |
info.lattice_constant = atof( the_token); |
| 788 |
|
| 789 |
// Next line is nrho, drho, nr, dr and rcut |
| 790 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
| 791 |
if(eam_eof_test == NULL){ |
| 792 |
sprintf( painCave.errMsg, |
| 793 |
"error in reading number of points line in %s\n", eamPotFile); |
| 794 |
painCave.isFatal = 1; |
| 795 |
simError(); |
| 796 |
} |
| 797 |
|
| 798 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
| 799 |
sprintf( painCave.errMsg, |
| 800 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 801 |
painCave.isFatal = 1; |
| 802 |
simError(); |
| 803 |
} |
| 804 |
|
| 805 |
info.eam_nrho = atoi( the_token ); |
| 806 |
|
| 807 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 808 |
sprintf( painCave.errMsg, |
| 809 |
"Error parseing EAM drho in %s\n", eamPotFile ); |
| 810 |
painCave.isFatal = 1; |
| 811 |
simError(); |
| 812 |
} |
| 813 |
info.eam_drho = atof( the_token); |
| 814 |
|
| 815 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 816 |
sprintf( painCave.errMsg, |
| 817 |
"Error parseing EAM # r in %s\n", eamPotFile ); |
| 818 |
painCave.isFatal = 1; |
| 819 |
simError(); |
| 820 |
} |
| 821 |
info.eam_nr = atoi( the_token); |
| 822 |
|
| 823 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 824 |
sprintf( painCave.errMsg, |
| 825 |
"Error parseing EAM dr in %s\n", eamPotFile ); |
| 826 |
painCave.isFatal = 1; |
| 827 |
simError(); |
| 828 |
} |
| 829 |
info.eam_dr = atof( the_token); |
| 830 |
|
| 831 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
| 832 |
sprintf( painCave.errMsg, |
| 833 |
"Error parseing EAM rcut in %s\n", eamPotFile ); |
| 834 |
painCave.isFatal = 1; |
| 835 |
simError(); |
| 836 |
} |
| 837 |
info.eam_rcut = atof( the_token); |
| 838 |
|
| 839 |
|
| 840 |
|
| 841 |
|
| 842 |
|
| 843 |
// Ok now we have to allocate point arrays and read in number of points |
| 844 |
// Index the arrays for fortran, starting at 1 |
| 845 |
myEam_Frhovals = new double[info.eam_nrho]; |
| 846 |
myEam_rvals = new double[info.eam_nr]; |
| 847 |
myEam_rhovals = new double[info.eam_nr]; |
| 848 |
|
| 849 |
// Parse F of rho vals. |
| 850 |
|
| 851 |
// Assume for now that we have a complete number of lines |
| 852 |
nReadLines = int(info.eam_nrho/5); |
| 853 |
|
| 854 |
|
| 855 |
|
| 856 |
for (i=0;i<nReadLines;i++){ |
| 857 |
j = i*5; |
| 858 |
|
| 859 |
// Read next line |
| 860 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
| 861 |
linenumber++; |
| 862 |
if(eam_eof_test == NULL){ |
| 863 |
sprintf( painCave.errMsg, |
| 864 |
"error in reading EAM file %s at line %d\n", |
| 865 |
eamPotFile,linenumber); |
| 866 |
painCave.isFatal = 1; |
| 867 |
simError(); |
| 868 |
} |
| 869 |
|
| 870 |
// Parse 5 values on each line into array |
| 871 |
// Value 1 |
| 872 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
| 873 |
sprintf( painCave.errMsg, |
| 874 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 875 |
painCave.isFatal = 1; |
| 876 |
simError(); |
| 877 |
} |
| 878 |
|
| 879 |
myEam_Frhovals[j+0] = atof( the_token ); |
| 880 |
|
| 881 |
// Value 2 |
| 882 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 883 |
sprintf( painCave.errMsg, |
| 884 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 885 |
painCave.isFatal = 1; |
| 886 |
simError(); |
| 887 |
} |
| 888 |
|
| 889 |
myEam_Frhovals[j+1] = atof( the_token ); |
| 890 |
|
| 891 |
// Value 3 |
| 892 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 893 |
sprintf( painCave.errMsg, |
| 894 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 895 |
painCave.isFatal = 1; |
| 896 |
simError(); |
| 897 |
} |
| 898 |
|
| 899 |
myEam_Frhovals[j+2] = atof( the_token ); |
| 900 |
|
| 901 |
// Value 4 |
| 902 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 903 |
sprintf( painCave.errMsg, |
| 904 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 905 |
painCave.isFatal = 1; |
| 906 |
simError(); |
| 907 |
} |
| 908 |
|
| 909 |
myEam_Frhovals[j+3] = atof( the_token ); |
| 910 |
|
| 911 |
// Value 5 |
| 912 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 913 |
sprintf( painCave.errMsg, |
| 914 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 915 |
painCave.isFatal = 1; |
| 916 |
simError(); |
| 917 |
} |
| 918 |
|
| 919 |
myEam_Frhovals[j+4] = atof( the_token ); |
| 920 |
|
| 921 |
} |
| 922 |
// Parse Z of r vals |
| 923 |
|
| 924 |
// Assume for now that we have a complete number of lines |
| 925 |
nReadLines = int(info.eam_nr/5); |
| 926 |
|
| 927 |
for (i=0;i<nReadLines;i++){ |
| 928 |
j = i*5; |
| 929 |
|
| 930 |
// Read next line |
| 931 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
| 932 |
linenumber++; |
| 933 |
if(eam_eof_test == NULL){ |
| 934 |
sprintf( painCave.errMsg, |
| 935 |
"error in reading EAM file %s at line %d\n", |
| 936 |
eamPotFile,linenumber); |
| 937 |
painCave.isFatal = 1; |
| 938 |
simError(); |
| 939 |
} |
| 940 |
|
| 941 |
// Parse 5 values on each line into array |
| 942 |
// Value 1 |
| 943 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
| 944 |
sprintf( painCave.errMsg, |
| 945 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 946 |
painCave.isFatal = 1; |
| 947 |
simError(); |
| 948 |
} |
| 949 |
|
| 950 |
myEam_rvals[j+0] = atof( the_token ); |
| 951 |
|
| 952 |
// Value 2 |
| 953 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 954 |
sprintf( painCave.errMsg, |
| 955 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 956 |
painCave.isFatal = 1; |
| 957 |
simError(); |
| 958 |
} |
| 959 |
|
| 960 |
myEam_rvals[j+1] = atof( the_token ); |
| 961 |
|
| 962 |
// Value 3 |
| 963 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 964 |
sprintf( painCave.errMsg, |
| 965 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 966 |
painCave.isFatal = 1; |
| 967 |
simError(); |
| 968 |
} |
| 969 |
|
| 970 |
myEam_rvals[j+2] = atof( the_token ); |
| 971 |
|
| 972 |
// Value 4 |
| 973 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 974 |
sprintf( painCave.errMsg, |
| 975 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 976 |
painCave.isFatal = 1; |
| 977 |
simError(); |
| 978 |
} |
| 979 |
|
| 980 |
myEam_rvals[j+3] = atof( the_token ); |
| 981 |
|
| 982 |
// Value 5 |
| 983 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 984 |
sprintf( painCave.errMsg, |
| 985 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 986 |
painCave.isFatal = 1; |
| 987 |
simError(); |
| 988 |
} |
| 989 |
|
| 990 |
myEam_rvals[j+4] = atof( the_token ); |
| 991 |
|
| 992 |
} |
| 993 |
// Parse rho of r vals |
| 994 |
|
| 995 |
// Assume for now that we have a complete number of lines |
| 996 |
|
| 997 |
for (i=0;i<nReadLines;i++){ |
| 998 |
j = i*5; |
| 999 |
|
| 1000 |
// Read next line |
| 1001 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
| 1002 |
linenumber++; |
| 1003 |
if(eam_eof_test == NULL){ |
| 1004 |
sprintf( painCave.errMsg, |
| 1005 |
"error in reading EAM file %s at line %d\n", |
| 1006 |
eamPotFile,linenumber); |
| 1007 |
painCave.isFatal = 1; |
| 1008 |
simError(); |
| 1009 |
} |
| 1010 |
|
| 1011 |
// Parse 5 values on each line into array |
| 1012 |
// Value 1 |
| 1013 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
| 1014 |
sprintf( painCave.errMsg, |
| 1015 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 1016 |
painCave.isFatal = 1; |
| 1017 |
simError(); |
| 1018 |
} |
| 1019 |
|
| 1020 |
myEam_rhovals[j+0] = atof( the_token ); |
| 1021 |
|
| 1022 |
// Value 2 |
| 1023 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 1024 |
sprintf( painCave.errMsg, |
| 1025 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 1026 |
painCave.isFatal = 1; |
| 1027 |
simError(); |
| 1028 |
} |
| 1029 |
|
| 1030 |
myEam_rhovals[j+1] = atof( the_token ); |
| 1031 |
|
| 1032 |
// Value 3 |
| 1033 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 1034 |
sprintf( painCave.errMsg, |
| 1035 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 1036 |
painCave.isFatal = 1; |
| 1037 |
simError(); |
| 1038 |
} |
| 1039 |
|
| 1040 |
myEam_rhovals[j+2] = atof( the_token ); |
| 1041 |
|
| 1042 |
// Value 4 |
| 1043 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 1044 |
sprintf( painCave.errMsg, |
| 1045 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 1046 |
painCave.isFatal = 1; |
| 1047 |
simError(); |
| 1048 |
} |
| 1049 |
|
| 1050 |
myEam_rhovals[j+3] = atof( the_token ); |
| 1051 |
|
| 1052 |
// Value 5 |
| 1053 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
| 1054 |
sprintf( painCave.errMsg, |
| 1055 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
| 1056 |
painCave.isFatal = 1; |
| 1057 |
simError(); |
| 1058 |
} |
| 1059 |
|
| 1060 |
myEam_rhovals[j+4] = atof( the_token ); |
| 1061 |
|
| 1062 |
} |
| 1063 |
*eam_rvals = myEam_rvals; |
| 1064 |
*eam_rhovals = myEam_rhovals; |
| 1065 |
*eam_Frhovals = myEam_Frhovals; |
| 1066 |
|
| 1067 |
fclose(eamFile); |
| 1068 |
return 0; |
| 1069 |
} |