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:\n" |
234 |
"\t%s\n" |
235 |
"\tHave you tried setting the FORCE_PARAM_PATH environment " |
236 |
"variable?\n", |
237 |
fileName ); |
238 |
painCave.severity = OOPSE_ERROR; |
239 |
painCave.isFatal = 1; |
240 |
simError(); |
241 |
} |
242 |
} |
243 |
|
244 |
#ifdef IS_MPI |
245 |
} |
246 |
|
247 |
sprintf( checkPointMsg, "EAM_FF file opened sucessfully." ); |
248 |
MPIcheckPoint(); |
249 |
|
250 |
#endif // is_mpi |
251 |
} |
252 |
|
253 |
|
254 |
EAM_FF::~EAM_FF(){ |
255 |
|
256 |
if( headAtomType != NULL ) delete headAtomType; |
257 |
|
258 |
#ifdef IS_MPI |
259 |
if( worldRank == 0 ){ |
260 |
#endif // is_mpi |
261 |
|
262 |
fclose( frcFile ); |
263 |
|
264 |
#ifdef IS_MPI |
265 |
} |
266 |
#endif // is_mpi |
267 |
} |
268 |
|
269 |
|
270 |
void EAM_FF::calcRcut( void ){ |
271 |
|
272 |
#ifdef IS_MPI |
273 |
double tempEamRcut = eamRcut; |
274 |
MPI_Allreduce( &tempEamRcut, &eamRcut, 1, MPI_DOUBLE, MPI_MAX, |
275 |
MPI_COMM_WORLD); |
276 |
#endif //is_mpi |
277 |
entry_plug->setDefaultRcut(eamRcut); |
278 |
} |
279 |
|
280 |
|
281 |
void EAM_FF::initForceField( int ljMixRule ){ |
282 |
initFortran( ljMixRule, 0 ); |
283 |
} |
284 |
|
285 |
void EAM_FF::cleanMe( void ){ |
286 |
|
287 |
#ifdef IS_MPI |
288 |
|
289 |
// keep the linked list in the mpi version |
290 |
|
291 |
#else // is_mpi |
292 |
|
293 |
// delete the linked list in the single processor version |
294 |
|
295 |
if( headAtomType != NULL ) delete headAtomType; |
296 |
|
297 |
#endif // is_mpi |
298 |
} |
299 |
|
300 |
|
301 |
void EAM_FF::readParams( void ){ |
302 |
|
303 |
atomStruct info; |
304 |
info.last = 1; // initialize last to have the last set. |
305 |
// if things go well, last will be set to 0 |
306 |
|
307 |
int identNum; |
308 |
double *eam_rvals; // Z of r values |
309 |
double *eam_rhovals; // rho of r values |
310 |
double *eam_Frhovals; // F of rho values |
311 |
char eamPotFile[1000]; |
312 |
|
313 |
|
314 |
bigSigma = 0.0; |
315 |
#ifdef IS_MPI |
316 |
if( worldRank == 0 ){ |
317 |
#endif |
318 |
|
319 |
// read in the atom types. |
320 |
|
321 |
headAtomType = new LinkedAtomType; |
322 |
|
323 |
fastForward( "AtomTypes", "eam atom readParams" ); |
324 |
|
325 |
// we are now at the AtomTypes section. |
326 |
|
327 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
328 |
lineNum++; |
329 |
|
330 |
|
331 |
// read a line, and start parseing out the atom types |
332 |
|
333 |
if( eof_test == NULL ){ |
334 |
sprintf( painCave.errMsg, |
335 |
"Error in reading Atoms from force file at line %d.\n", |
336 |
lineNum ); |
337 |
painCave.isFatal = 1; |
338 |
simError(); |
339 |
} |
340 |
|
341 |
identNum = 1; |
342 |
// stop reading at end of file, or at next section |
343 |
|
344 |
while( readLine[0] != '#' && eof_test != NULL ){ |
345 |
|
346 |
// toss comment lines |
347 |
if( readLine[0] != '!' ){ |
348 |
|
349 |
// the parser returns 0 if the line was blank |
350 |
if( parseAtom( readLine, lineNum, info, eamPotFile ) ){ |
351 |
parseEAM(info,eamPotFile, &eam_rvals, |
352 |
&eam_rhovals, &eam_Frhovals); |
353 |
info.ident = identNum; |
354 |
headAtomType->add( info, eam_rvals, |
355 |
eam_rhovals,eam_Frhovals ); |
356 |
identNum++; |
357 |
} |
358 |
} |
359 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
360 |
lineNum++; |
361 |
} |
362 |
|
363 |
|
364 |
|
365 |
#ifdef IS_MPI |
366 |
|
367 |
|
368 |
// send out the linked list to all the other processes |
369 |
|
370 |
sprintf( checkPointMsg, |
371 |
"EAM_FF atom structures read successfully." ); |
372 |
MPIcheckPoint(); |
373 |
|
374 |
currentAtomType = headAtomType->next; //skip the first element who is a place holder. |
375 |
while( currentAtomType != NULL ){ |
376 |
currentAtomType->duplicate( info ); |
377 |
|
378 |
|
379 |
|
380 |
sendFrcStruct( &info, mpiAtomStructType ); |
381 |
|
382 |
// We have to now broadcast the Arrays |
383 |
MPI_Bcast(currentAtomType->eam_rvals, |
384 |
currentAtomType->eam_nr, |
385 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
386 |
MPI_Bcast(currentAtomType->eam_rhovals, |
387 |
currentAtomType->eam_nr, |
388 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
389 |
MPI_Bcast(currentAtomType->eam_Frhovals, |
390 |
currentAtomType->eam_nrho, |
391 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
392 |
|
393 |
sprintf( checkPointMsg, |
394 |
"successfully sent EAM force type: \"%s\"\n", |
395 |
info.name ); |
396 |
MPIcheckPoint(); |
397 |
|
398 |
currentAtomType = currentAtomType->next; |
399 |
} |
400 |
info.last = 1; |
401 |
sendFrcStruct( &info, mpiAtomStructType ); |
402 |
|
403 |
} |
404 |
|
405 |
else{ |
406 |
|
407 |
// listen for node 0 to send out the force params |
408 |
|
409 |
MPIcheckPoint(); |
410 |
|
411 |
headAtomType = new LinkedAtomType; |
412 |
receiveFrcStruct( &info, mpiAtomStructType ); |
413 |
|
414 |
while( !info.last ){ |
415 |
|
416 |
// allocate the arrays |
417 |
|
418 |
eam_rvals = new double[info.eam_nr]; |
419 |
eam_rhovals = new double[info.eam_nr]; |
420 |
eam_Frhovals = new double[info.eam_nrho]; |
421 |
|
422 |
// We have to now broadcast the Arrays |
423 |
MPI_Bcast(eam_rvals, |
424 |
info.eam_nr, |
425 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
426 |
MPI_Bcast(eam_rhovals, |
427 |
info.eam_nr, |
428 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
429 |
MPI_Bcast(eam_Frhovals, |
430 |
info.eam_nrho, |
431 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
432 |
|
433 |
|
434 |
headAtomType->add( info, eam_rvals, eam_rhovals, eam_Frhovals ); |
435 |
|
436 |
MPIcheckPoint(); |
437 |
|
438 |
receiveFrcStruct( &info, mpiAtomStructType ); |
439 |
|
440 |
|
441 |
} |
442 |
} |
443 |
#endif // is_mpi |
444 |
|
445 |
// call new A_types in fortran |
446 |
|
447 |
int isError; |
448 |
|
449 |
// dummy variables |
450 |
int isLJ = 0; |
451 |
int isDipole = 0; |
452 |
int isSSD = 0; |
453 |
int isGB = 0; |
454 |
int isEAM = 1; |
455 |
int isCharge = 0; |
456 |
double dipole = 0.0; |
457 |
double charge = 0.0; |
458 |
double eamSigma = 0.0; |
459 |
double eamEpslon = 0.0; |
460 |
|
461 |
currentAtomType = headAtomType->next; |
462 |
while( currentAtomType != NULL ){ |
463 |
|
464 |
if( currentAtomType->name[0] != '\0' ){ |
465 |
isError = 0; |
466 |
makeAtype( &(currentAtomType->ident), |
467 |
&isLJ, |
468 |
&isSSD, |
469 |
&isDipole, |
470 |
&isGB, |
471 |
&isEAM, |
472 |
&isCharge, |
473 |
&eamEpslon, |
474 |
&eamSigma, |
475 |
&charge, |
476 |
&dipole, |
477 |
&isError ); |
478 |
if( isError ){ |
479 |
sprintf( painCave.errMsg, |
480 |
"Error initializing the \"%s\" atom type in fortran\n", |
481 |
currentAtomType->name ); |
482 |
painCave.isFatal = 1; |
483 |
simError(); |
484 |
} |
485 |
} |
486 |
currentAtomType = currentAtomType->next; |
487 |
} |
488 |
|
489 |
entry_plug->useLJ = 0; |
490 |
entry_plug->useEAM = 1; |
491 |
// Walk down again and send out EAM type |
492 |
currentAtomType = headAtomType->next; |
493 |
while( currentAtomType != NULL ){ |
494 |
|
495 |
if( currentAtomType->name[0] != '\0' ){ |
496 |
isError = 0; |
497 |
|
498 |
newEAMtype( &(currentAtomType->lattice_constant), |
499 |
&(currentAtomType->eam_nrho), |
500 |
&(currentAtomType->eam_drho), |
501 |
&(currentAtomType->eam_nr), |
502 |
&(currentAtomType->eam_dr), |
503 |
&(currentAtomType->eam_rcut), |
504 |
currentAtomType->eam_rvals, |
505 |
currentAtomType->eam_rhovals, |
506 |
currentAtomType->eam_Frhovals, |
507 |
&(currentAtomType->eam_ident), |
508 |
&isError); |
509 |
|
510 |
if( isError ){ |
511 |
sprintf( painCave.errMsg, |
512 |
"Error initializing the \"%s\" atom type in fortran EAM\n", |
513 |
currentAtomType->name ); |
514 |
painCave.isFatal = 1; |
515 |
simError(); |
516 |
} |
517 |
} |
518 |
currentAtomType = currentAtomType->next; |
519 |
} |
520 |
|
521 |
|
522 |
|
523 |
#ifdef IS_MPI |
524 |
sprintf( checkPointMsg, |
525 |
"EAM_FF atom structures successfully sent to fortran\n" ); |
526 |
MPIcheckPoint(); |
527 |
#endif // is_mpi |
528 |
|
529 |
|
530 |
|
531 |
} |
532 |
|
533 |
|
534 |
void EAM_FF::initializeAtoms( int nAtoms, Atom** the_atoms ){ |
535 |
|
536 |
int i; |
537 |
|
538 |
// initialize the atoms |
539 |
|
540 |
for( i=0; i<nAtoms; i++ ){ |
541 |
|
542 |
currentAtomType = headAtomType->find( the_atoms[i]->getType() ); |
543 |
if( currentAtomType == NULL ){ |
544 |
sprintf( painCave.errMsg, |
545 |
"AtomType error, %s not found in force file.\n", |
546 |
the_atoms[i]->getType() ); |
547 |
painCave.isFatal = 1; |
548 |
simError(); |
549 |
} |
550 |
|
551 |
the_atoms[i]->setMass( currentAtomType->mass ); |
552 |
the_atoms[i]->setIdent( currentAtomType->ident ); |
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 |
"variable?\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 |
} |