1 |
#include <cstdlib> |
2 |
#include <cstdio> |
3 |
#include <cstring> |
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_dr; // The distance between each of the rho points. |
34 |
int eam_nrho; // Number of points indexed by rho |
35 |
int eam_nr; // The number of points based on r (Both Phi(r) and Rho(r)). |
36 |
double eam_rcut; // The cutoff radius for eam. |
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 |
int i; |
80 |
|
81 |
// check for duplicates |
82 |
|
83 |
if( !strcmp( info.name, name ) ){ |
84 |
sprintf( painCave.errMsg, |
85 |
"Duplicate LJ atom type \"%s\" found in " |
86 |
"the LJ_FF param file./n", |
87 |
name ); |
88 |
painCave.isFatal = 1; |
89 |
simError(); |
90 |
} |
91 |
|
92 |
if( next != NULL ) next->add(info, the_eam_rvals, the_eam_rhovals, the_eam_Frhovals); |
93 |
else{ |
94 |
next = new LinkedAtomType(); |
95 |
strcpy(next->name, info.name); |
96 |
next->mass = info.mass; |
97 |
next->lattice_constant = info.lattice_constant; |
98 |
next->eam_nrho = info.eam_nrho; |
99 |
next->eam_drho = info.eam_drho; |
100 |
next->eam_nr = info.eam_nr; |
101 |
next->eam_dr = info.eam_dr; |
102 |
next->eam_rcut = info.eam_rcut; |
103 |
next->eam_ident = info.eam_ident; |
104 |
next->ident = info.ident; |
105 |
|
106 |
next->eam_rvals = the_eam_rvals; |
107 |
next->eam_rhovals = the_eam_rhovals; |
108 |
next->eam_Frhovals = the_eam_Frhovals; |
109 |
} |
110 |
} |
111 |
|
112 |
|
113 |
#ifdef IS_MPI |
114 |
|
115 |
void duplicate( atomStruct &info ){ |
116 |
strcpy(info.name, name); |
117 |
info.mass = mass; |
118 |
info.lattice_constant = lattice_constant; |
119 |
info.eam_nrho = eam_nrho; |
120 |
info.eam_drho = eam_drho; |
121 |
info.eam_nr = eam_nr; |
122 |
info.eam_dr = eam_dr; |
123 |
info.eam_rcut = eam_rcut; |
124 |
info.eam_ident = eam_ident; |
125 |
info.ident = ident; |
126 |
info.last = 0; |
127 |
} |
128 |
|
129 |
|
130 |
#endif |
131 |
|
132 |
char name[15]; |
133 |
double mass; |
134 |
double lattice_constant; |
135 |
int eam_nrho; // Number of points indexed by rho |
136 |
double eam_drho; // The distance between each of the points indexed by rho. |
137 |
int eam_nr; // The number of points based on r (Both Phi(r) and Rho(r)). |
138 |
double eam_dr; // The distance between each of the rho points. |
139 |
double eam_rcut; // The cutoff radius for eam. |
140 |
|
141 |
double *eam_rvals; // Z of r values |
142 |
double *eam_rhovals; // rho of r values |
143 |
double *eam_Frhovals; // F of rho values |
144 |
int eam_ident; // eam identity (atomic number) |
145 |
int ident; |
146 |
LinkedAtomType* next; |
147 |
}; |
148 |
|
149 |
LinkedAtomType* headAtomType; |
150 |
LinkedAtomType* currentAtomType; |
151 |
|
152 |
} |
153 |
|
154 |
using namespace EAM_NS; |
155 |
|
156 |
//**************************************************************** |
157 |
// begins the actual forcefield stuff. |
158 |
//**************************************************************** |
159 |
|
160 |
|
161 |
EAM_FF::EAM_FF(){ |
162 |
|
163 |
char fileName[200]; |
164 |
char* ffPath_env = "FORCE_PARAM_PATH"; |
165 |
char* ffPath; |
166 |
char temp[200]; |
167 |
char errMsg[1000]; |
168 |
|
169 |
headAtomType = NULL; |
170 |
currentAtomType = NULL; |
171 |
|
172 |
// Set eamRcut to 0.0 |
173 |
eamRcut = 0.0; |
174 |
|
175 |
// do the funtion wrapping |
176 |
wrapMeFF( this ); |
177 |
|
178 |
#ifdef IS_MPI |
179 |
int i; |
180 |
|
181 |
// ********************************************************************** |
182 |
// Init the atomStruct mpi type |
183 |
|
184 |
atomStruct atomProto; // mpiPrototype |
185 |
int atomBC[3] = {15,4,6}; // block counts |
186 |
MPI_Aint atomDspls[3]; // displacements |
187 |
MPI_Datatype atomMbrTypes[3]; // member mpi types |
188 |
|
189 |
MPI_Address(&atomProto.name, &atomDspls[0]); |
190 |
MPI_Address(&atomProto.mass, &atomDspls[1]); |
191 |
MPI_Address(&atomProto.eam_nrho, &atomDspls[2]); |
192 |
|
193 |
atomMbrTypes[0] = MPI_CHAR; |
194 |
atomMbrTypes[1] = MPI_DOUBLE; |
195 |
atomMbrTypes[2] = MPI_INT; |
196 |
|
197 |
for (i=2; i >= 0; i--) atomDspls[i] -= atomDspls[0]; |
198 |
|
199 |
MPI_Type_struct(3, atomBC, atomDspls, atomMbrTypes, &mpiAtomStructType); |
200 |
MPI_Type_commit(&mpiAtomStructType); |
201 |
|
202 |
// *********************************************************************** |
203 |
|
204 |
if( worldRank == 0 ){ |
205 |
#endif |
206 |
|
207 |
// generate the force file name |
208 |
|
209 |
strcpy( fileName, "EAM_FF.frc" ); |
210 |
// fprintf( stderr,"Trying to open %s\n", fileName ); |
211 |
|
212 |
// attempt to open the file in the current directory first. |
213 |
|
214 |
frcFile = fopen( fileName, "r" ); |
215 |
|
216 |
if( frcFile == NULL ){ |
217 |
|
218 |
// next see if the force path enviorment variable is set |
219 |
|
220 |
ffPath = getenv( ffPath_env ); |
221 |
if( ffPath == NULL ) { |
222 |
STR_DEFINE(ffPath, FRC_PATH ); |
223 |
} |
224 |
|
225 |
|
226 |
strcpy( temp, ffPath ); |
227 |
strcat( temp, "/" ); |
228 |
strcat( temp, fileName ); |
229 |
strcpy( fileName, temp ); |
230 |
|
231 |
frcFile = fopen( fileName, "r" ); |
232 |
|
233 |
if( frcFile == NULL ){ |
234 |
|
235 |
sprintf( painCave.errMsg, |
236 |
"Error opening the force field parameter file: %s\n" |
237 |
"Have you tried setting the FORCE_PARAM_PATH environment " |
238 |
"vairable?\n", |
239 |
fileName ); |
240 |
painCave.isFatal = 1; |
241 |
simError(); |
242 |
} |
243 |
} |
244 |
|
245 |
#ifdef IS_MPI |
246 |
} |
247 |
|
248 |
sprintf( checkPointMsg, "EAM_FF file opened sucessfully." ); |
249 |
MPIcheckPoint(); |
250 |
|
251 |
#endif // is_mpi |
252 |
} |
253 |
|
254 |
|
255 |
EAM_FF::~EAM_FF(){ |
256 |
|
257 |
if( headAtomType != NULL ) delete headAtomType; |
258 |
|
259 |
#ifdef IS_MPI |
260 |
if( worldRank == 0 ){ |
261 |
#endif // is_mpi |
262 |
|
263 |
fclose( frcFile ); |
264 |
|
265 |
#ifdef IS_MPI |
266 |
} |
267 |
#endif // is_mpi |
268 |
} |
269 |
|
270 |
|
271 |
void EAM_FF::calcRcut( void ){ |
272 |
|
273 |
#ifdef IS_MPI |
274 |
double tempEamRcut = eamRcut; |
275 |
MPI_Allreduce( &tempEamRcut, &eamRcut, 1, MPI_DOUBLE, MPI_MAX, |
276 |
MPI_COMM_WORLD); |
277 |
#endif //is_mpi |
278 |
entry_plug->setRcut(eamRcut); |
279 |
} |
280 |
|
281 |
|
282 |
void EAM_FF::initForceField( int ljMixRule ){ |
283 |
initFortran( ljMixRule, 0 ); |
284 |
} |
285 |
|
286 |
void EAM_FF::cleanMe( void ){ |
287 |
|
288 |
#ifdef IS_MPI |
289 |
|
290 |
// keep the linked list in the mpi version |
291 |
|
292 |
#else // is_mpi |
293 |
|
294 |
// delete the linked list in the single processor version |
295 |
|
296 |
if( headAtomType != NULL ) delete headAtomType; |
297 |
|
298 |
#endif // is_mpi |
299 |
} |
300 |
|
301 |
|
302 |
void EAM_FF::readParams( void ){ |
303 |
|
304 |
atomStruct info; |
305 |
info.last = 1; // initialize last to have the last set. |
306 |
// if things go well, last will be set to 0 |
307 |
|
308 |
int i; |
309 |
int identNum; |
310 |
double *eam_rvals; // Z of r values |
311 |
double *eam_rhovals; // rho of r values |
312 |
double *eam_Frhovals; // F of rho values |
313 |
char eamPotFile[1000]; |
314 |
|
315 |
|
316 |
bigSigma = 0.0; |
317 |
#ifdef IS_MPI |
318 |
if( worldRank == 0 ){ |
319 |
#endif |
320 |
|
321 |
// read in the atom types. |
322 |
|
323 |
headAtomType = new LinkedAtomType; |
324 |
|
325 |
fastForward( "AtomTypes", "eam atom readParams" ); |
326 |
|
327 |
// we are now at the AtomTypes section. |
328 |
|
329 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
330 |
lineNum++; |
331 |
|
332 |
|
333 |
// read a line, and start parseing out the atom types |
334 |
|
335 |
if( eof_test == NULL ){ |
336 |
sprintf( painCave.errMsg, |
337 |
"Error in reading Atoms from force file at line %d.\n", |
338 |
lineNum ); |
339 |
painCave.isFatal = 1; |
340 |
simError(); |
341 |
} |
342 |
|
343 |
identNum = 1; |
344 |
// stop reading at end of file, or at next section |
345 |
|
346 |
while( readLine[0] != '#' && eof_test != NULL ){ |
347 |
|
348 |
// toss comment lines |
349 |
if( readLine[0] != '!' ){ |
350 |
|
351 |
// the parser returns 0 if the line was blank |
352 |
if( parseAtom( readLine, lineNum, info, eamPotFile ) ){ |
353 |
parseEAM(info,eamPotFile, &eam_rvals, |
354 |
&eam_rhovals, &eam_Frhovals); |
355 |
info.ident = identNum; |
356 |
headAtomType->add( info, eam_rvals, |
357 |
eam_rhovals,eam_Frhovals ); |
358 |
identNum++; |
359 |
} |
360 |
} |
361 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
362 |
lineNum++; |
363 |
} |
364 |
|
365 |
|
366 |
|
367 |
#ifdef IS_MPI |
368 |
|
369 |
|
370 |
// send out the linked list to all the other processes |
371 |
|
372 |
sprintf( checkPointMsg, |
373 |
"EAM_FF atom structures read successfully." ); |
374 |
MPIcheckPoint(); |
375 |
|
376 |
currentAtomType = headAtomType->next; //skip the first element who is a place holder. |
377 |
while( currentAtomType != NULL ){ |
378 |
currentAtomType->duplicate( info ); |
379 |
|
380 |
|
381 |
|
382 |
sendFrcStruct( &info, mpiAtomStructType ); |
383 |
|
384 |
// We have to now broadcast the Arrays |
385 |
MPI_Bcast(currentAtomType->eam_rvals, |
386 |
currentAtomType->eam_nr, |
387 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
388 |
MPI_Bcast(currentAtomType->eam_rhovals, |
389 |
currentAtomType->eam_nr, |
390 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
391 |
MPI_Bcast(currentAtomType->eam_Frhovals, |
392 |
currentAtomType->eam_nrho, |
393 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
394 |
|
395 |
sprintf( checkPointMsg, |
396 |
"successfully sent EAM force type: \"%s\"\n", |
397 |
info.name ); |
398 |
MPIcheckPoint(); |
399 |
|
400 |
currentAtomType = currentAtomType->next; |
401 |
} |
402 |
info.last = 1; |
403 |
sendFrcStruct( &info, mpiAtomStructType ); |
404 |
|
405 |
} |
406 |
|
407 |
else{ |
408 |
|
409 |
// listen for node 0 to send out the force params |
410 |
|
411 |
MPIcheckPoint(); |
412 |
|
413 |
headAtomType = new LinkedAtomType; |
414 |
recieveFrcStruct( &info, mpiAtomStructType ); |
415 |
|
416 |
while( !info.last ){ |
417 |
|
418 |
// allocate the arrays |
419 |
|
420 |
eam_rvals = new double[info.eam_nr]; |
421 |
eam_rhovals = new double[info.eam_nr]; |
422 |
eam_Frhovals = new double[info.eam_nrho]; |
423 |
|
424 |
// We have to now broadcast the Arrays |
425 |
MPI_Bcast(eam_rvals, |
426 |
info.eam_nr, |
427 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
428 |
MPI_Bcast(eam_rhovals, |
429 |
info.eam_nr, |
430 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
431 |
MPI_Bcast(eam_Frhovals, |
432 |
info.eam_nrho, |
433 |
MPI_DOUBLE,0,MPI_COMM_WORLD); |
434 |
|
435 |
|
436 |
headAtomType->add( info, eam_rvals, eam_rhovals, eam_Frhovals ); |
437 |
|
438 |
MPIcheckPoint(); |
439 |
|
440 |
recieveFrcStruct( &info, mpiAtomStructType ); |
441 |
|
442 |
|
443 |
} |
444 |
} |
445 |
#endif // is_mpi |
446 |
|
447 |
// call new A_types in fortran |
448 |
|
449 |
int isError; |
450 |
|
451 |
// dummy variables |
452 |
int isLJ = 0; |
453 |
int isDipole = 0; |
454 |
int isSSD = 0; |
455 |
int isGB = 0; |
456 |
int isEAM= 1; |
457 |
double dipole = 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 |
&eamEpslon, |
473 |
&eamSigma, |
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 |
|
539 |
Atom* thisAtom; |
540 |
|
541 |
for( i=0; i<nAtoms; i++ ){ |
542 |
|
543 |
currentAtomType = headAtomType->find( the_atoms[i]->getType() ); |
544 |
if( currentAtomType == NULL ){ |
545 |
sprintf( painCave.errMsg, |
546 |
"AtomType error, %s not found in force file.\n", |
547 |
the_atoms[i]->getType() ); |
548 |
painCave.isFatal = 1; |
549 |
simError(); |
550 |
} |
551 |
|
552 |
the_atoms[i]->setMass( currentAtomType->mass ); |
553 |
the_atoms[i]->setIdent( currentAtomType->ident ); |
554 |
the_atoms[i]->setEAM(); |
555 |
the_atoms[i]->setEamRcut( currentAtomType->eam_rcut); |
556 |
|
557 |
if (eamRcut < currentAtomType->eam_rcut) eamRcut = currentAtomType->eam_rcut; |
558 |
|
559 |
} |
560 |
} |
561 |
|
562 |
void EAM_FF::initializeBonds( int nBonds, Bond** BondArray, |
563 |
bond_pair* the_bonds ){ |
564 |
|
565 |
if( nBonds ){ |
566 |
sprintf( painCave.errMsg, |
567 |
"LJ_FF does not support bonds.\n" ); |
568 |
painCave.isFatal = 1; |
569 |
simError(); |
570 |
} |
571 |
} |
572 |
|
573 |
void EAM_FF::initializeBends( int nBends, Bend** bendArray, |
574 |
bend_set* the_bends ){ |
575 |
|
576 |
if( nBends ){ |
577 |
sprintf( painCave.errMsg, |
578 |
"LJ_FF does not support bends.\n" ); |
579 |
painCave.isFatal = 1; |
580 |
simError(); |
581 |
} |
582 |
} |
583 |
|
584 |
void EAM_FF::initializeTorsions( int nTorsions, Torsion** torsionArray, |
585 |
torsion_set* the_torsions ){ |
586 |
|
587 |
if( nTorsions ){ |
588 |
sprintf( painCave.errMsg, |
589 |
"LJ_FF does not support torsions.\n" ); |
590 |
painCave.isFatal = 1; |
591 |
simError(); |
592 |
} |
593 |
} |
594 |
|
595 |
void EAM_FF::fastForward( char* stopText, char* searchOwner ){ |
596 |
|
597 |
int foundText = 0; |
598 |
char* the_token; |
599 |
|
600 |
rewind( frcFile ); |
601 |
lineNum = 0; |
602 |
|
603 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
604 |
lineNum++; |
605 |
if( eof_test == NULL ){ |
606 |
sprintf( painCave.errMsg, "Error fast forwarding force file for %s: " |
607 |
" file is empty.\n", |
608 |
searchOwner ); |
609 |
painCave.isFatal = 1; |
610 |
simError(); |
611 |
} |
612 |
|
613 |
|
614 |
while( !foundText ){ |
615 |
while( eof_test != NULL && readLine[0] != '#' ){ |
616 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
617 |
lineNum++; |
618 |
} |
619 |
if( eof_test == NULL ){ |
620 |
sprintf( painCave.errMsg, |
621 |
"Error fast forwarding force file for %s at " |
622 |
"line %d: file ended unexpectedly.\n", |
623 |
searchOwner, |
624 |
lineNum ); |
625 |
painCave.isFatal = 1; |
626 |
simError(); |
627 |
} |
628 |
|
629 |
the_token = strtok( readLine, " ,;\t#\n" ); |
630 |
foundText = !strcmp( stopText, the_token ); |
631 |
|
632 |
if( !foundText ){ |
633 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
634 |
lineNum++; |
635 |
|
636 |
if( eof_test == NULL ){ |
637 |
sprintf( painCave.errMsg, |
638 |
"Error fast forwarding force file for %s at " |
639 |
"line %d: file ended unexpectedly.\n", |
640 |
searchOwner, |
641 |
lineNum ); |
642 |
painCave.isFatal = 1; |
643 |
simError(); |
644 |
} |
645 |
} |
646 |
} |
647 |
} |
648 |
|
649 |
|
650 |
|
651 |
int EAM_NS::parseAtom( char *lineBuffer, int lineNum, atomStruct &info, char *eamPotFile ){ |
652 |
|
653 |
char* the_token; |
654 |
|
655 |
the_token = strtok( lineBuffer, " \n\t,;" ); |
656 |
if( the_token != NULL ){ |
657 |
|
658 |
strcpy( info.name, the_token ); |
659 |
|
660 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
661 |
sprintf( painCave.errMsg, |
662 |
"Error parseing AtomTypes: line %d\n", lineNum ); |
663 |
painCave.isFatal = 1; |
664 |
simError(); |
665 |
} |
666 |
|
667 |
info.mass = atof( the_token ); |
668 |
|
669 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
670 |
sprintf( painCave.errMsg, |
671 |
"Error parseing AtomTypes: line %d\n", lineNum ); |
672 |
painCave.isFatal = 1; |
673 |
simError(); |
674 |
} |
675 |
|
676 |
strcpy( eamPotFile, the_token ); |
677 |
return 1; |
678 |
} |
679 |
else return 0; |
680 |
} |
681 |
|
682 |
int EAM_NS::parseEAM(atomStruct &info, char *eamPotFile, |
683 |
double **eam_rvals, |
684 |
double **eam_rhovals, |
685 |
double **eam_Frhovals){ |
686 |
double* myEam_rvals; |
687 |
double* myEam_rhovals; |
688 |
double* myEam_Frhovals; |
689 |
|
690 |
char* ffPath_env = "FORCE_PARAM_PATH"; |
691 |
char* ffPath; |
692 |
char* the_token; |
693 |
char* eam_eof_test; |
694 |
FILE *eamFile; |
695 |
const int BUFFERSIZE = 3000; |
696 |
|
697 |
char temp[200]; |
698 |
int linenumber; |
699 |
int nReadLines; |
700 |
char eam_read_buffer[BUFFERSIZE]; |
701 |
|
702 |
|
703 |
int i,j; |
704 |
|
705 |
linenumber = 0; |
706 |
|
707 |
// Open eam file |
708 |
eamFile = fopen( eamPotFile, "r" ); |
709 |
|
710 |
|
711 |
if( eamFile == NULL ){ |
712 |
|
713 |
// next see if the force path enviorment variable is set |
714 |
|
715 |
ffPath = getenv( ffPath_env ); |
716 |
if( ffPath == NULL ) { |
717 |
STR_DEFINE(ffPath, FRC_PATH ); |
718 |
} |
719 |
|
720 |
|
721 |
strcpy( temp, ffPath ); |
722 |
strcat( temp, "/" ); |
723 |
strcat( temp, eamPotFile ); |
724 |
strcpy( eamPotFile, temp ); |
725 |
|
726 |
eamFile = fopen( eamPotFile, "r" ); |
727 |
|
728 |
|
729 |
|
730 |
if( eamFile == NULL ){ |
731 |
|
732 |
sprintf( painCave.errMsg, |
733 |
"Error opening the EAM force parameter file: %s\n" |
734 |
"Have you tried setting the FORCE_PARAM_PATH environment " |
735 |
"vairable?\n", |
736 |
eamPotFile ); |
737 |
painCave.isFatal = 1; |
738 |
simError(); |
739 |
} |
740 |
} |
741 |
|
742 |
// First line is a comment line, read and toss it.... |
743 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
744 |
linenumber++; |
745 |
if(eam_eof_test == NULL){ |
746 |
sprintf( painCave.errMsg, |
747 |
"error in reading commment in %s\n", eamPotFile); |
748 |
painCave.isFatal = 1; |
749 |
simError(); |
750 |
} |
751 |
|
752 |
|
753 |
|
754 |
// The Second line contains atomic number, atomic mass and a lattice constant |
755 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
756 |
linenumber++; |
757 |
if(eam_eof_test == NULL){ |
758 |
sprintf( painCave.errMsg, |
759 |
"error in reading Identifier line in %s\n", eamPotFile); |
760 |
painCave.isFatal = 1; |
761 |
simError(); |
762 |
} |
763 |
|
764 |
|
765 |
|
766 |
|
767 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
768 |
sprintf( painCave.errMsg, |
769 |
"Error parseing EAM ident line in %s\n", eamPotFile ); |
770 |
painCave.isFatal = 1; |
771 |
simError(); |
772 |
} |
773 |
|
774 |
info.eam_ident = atoi( the_token ); |
775 |
|
776 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
777 |
sprintf( painCave.errMsg, |
778 |
"Error parseing EAM mass in %s\n", eamPotFile ); |
779 |
painCave.isFatal = 1; |
780 |
simError(); |
781 |
} |
782 |
info.mass = atof( the_token); |
783 |
|
784 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
785 |
sprintf( painCave.errMsg, |
786 |
"Error parseing EAM Lattice Constant %s\n", eamPotFile ); |
787 |
painCave.isFatal = 1; |
788 |
simError(); |
789 |
} |
790 |
info.lattice_constant = atof( the_token); |
791 |
|
792 |
// Next line is nrho, drho, nr, dr and rcut |
793 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
794 |
if(eam_eof_test == NULL){ |
795 |
sprintf( painCave.errMsg, |
796 |
"error in reading number of points line in %s\n", eamPotFile); |
797 |
painCave.isFatal = 1; |
798 |
simError(); |
799 |
} |
800 |
|
801 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
802 |
sprintf( painCave.errMsg, |
803 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
804 |
painCave.isFatal = 1; |
805 |
simError(); |
806 |
} |
807 |
|
808 |
info.eam_nrho = atoi( the_token ); |
809 |
|
810 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
811 |
sprintf( painCave.errMsg, |
812 |
"Error parseing EAM drho in %s\n", eamPotFile ); |
813 |
painCave.isFatal = 1; |
814 |
simError(); |
815 |
} |
816 |
info.eam_drho = atof( the_token); |
817 |
|
818 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
819 |
sprintf( painCave.errMsg, |
820 |
"Error parseing EAM # r in %s\n", eamPotFile ); |
821 |
painCave.isFatal = 1; |
822 |
simError(); |
823 |
} |
824 |
info.eam_nr = atoi( the_token); |
825 |
|
826 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
827 |
sprintf( painCave.errMsg, |
828 |
"Error parseing EAM dr in %s\n", eamPotFile ); |
829 |
painCave.isFatal = 1; |
830 |
simError(); |
831 |
} |
832 |
info.eam_dr = atof( the_token); |
833 |
|
834 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
835 |
sprintf( painCave.errMsg, |
836 |
"Error parseing EAM rcut in %s\n", eamPotFile ); |
837 |
painCave.isFatal = 1; |
838 |
simError(); |
839 |
} |
840 |
info.eam_rcut = atof( the_token); |
841 |
|
842 |
|
843 |
|
844 |
|
845 |
|
846 |
// Ok now we have to allocate point arrays and read in number of points |
847 |
// Index the arrays for fortran, starting at 1 |
848 |
myEam_Frhovals = new double[info.eam_nrho]; |
849 |
myEam_rvals = new double[info.eam_nr]; |
850 |
myEam_rhovals = new double[info.eam_nr]; |
851 |
|
852 |
// Parse F of rho vals. |
853 |
|
854 |
// Assume for now that we have a complete number of lines |
855 |
nReadLines = int(info.eam_nrho/5); |
856 |
|
857 |
|
858 |
|
859 |
for (i=0;i<nReadLines;i++){ |
860 |
j = i*5; |
861 |
|
862 |
// Read next line |
863 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
864 |
linenumber++; |
865 |
if(eam_eof_test == NULL){ |
866 |
sprintf( painCave.errMsg, |
867 |
"error in reading EAM file %s at line %d\n", |
868 |
eamPotFile,linenumber); |
869 |
painCave.isFatal = 1; |
870 |
simError(); |
871 |
} |
872 |
|
873 |
// Parse 5 values on each line into array |
874 |
// Value 1 |
875 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
876 |
sprintf( painCave.errMsg, |
877 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
878 |
painCave.isFatal = 1; |
879 |
simError(); |
880 |
} |
881 |
|
882 |
myEam_Frhovals[j+0] = atof( the_token ); |
883 |
|
884 |
// Value 2 |
885 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
886 |
sprintf( painCave.errMsg, |
887 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
888 |
painCave.isFatal = 1; |
889 |
simError(); |
890 |
} |
891 |
|
892 |
myEam_Frhovals[j+1] = atof( the_token ); |
893 |
|
894 |
// Value 3 |
895 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
896 |
sprintf( painCave.errMsg, |
897 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
898 |
painCave.isFatal = 1; |
899 |
simError(); |
900 |
} |
901 |
|
902 |
myEam_Frhovals[j+2] = atof( the_token ); |
903 |
|
904 |
// Value 4 |
905 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
906 |
sprintf( painCave.errMsg, |
907 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
908 |
painCave.isFatal = 1; |
909 |
simError(); |
910 |
} |
911 |
|
912 |
myEam_Frhovals[j+3] = atof( the_token ); |
913 |
|
914 |
// Value 5 |
915 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
916 |
sprintf( painCave.errMsg, |
917 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
918 |
painCave.isFatal = 1; |
919 |
simError(); |
920 |
} |
921 |
|
922 |
myEam_Frhovals[j+4] = atof( the_token ); |
923 |
|
924 |
} |
925 |
// Parse Z of r vals |
926 |
|
927 |
// Assume for now that we have a complete number of lines |
928 |
nReadLines = int(info.eam_nr/5); |
929 |
|
930 |
for (i=0;i<nReadLines;i++){ |
931 |
j = i*5; |
932 |
|
933 |
// Read next line |
934 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
935 |
linenumber++; |
936 |
if(eam_eof_test == NULL){ |
937 |
sprintf( painCave.errMsg, |
938 |
"error in reading EAM file %s at line %d\n", |
939 |
eamPotFile,linenumber); |
940 |
painCave.isFatal = 1; |
941 |
simError(); |
942 |
} |
943 |
|
944 |
// Parse 5 values on each line into array |
945 |
// Value 1 |
946 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
947 |
sprintf( painCave.errMsg, |
948 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
949 |
painCave.isFatal = 1; |
950 |
simError(); |
951 |
} |
952 |
|
953 |
myEam_rvals[j+0] = atof( the_token ); |
954 |
|
955 |
// Value 2 |
956 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
957 |
sprintf( painCave.errMsg, |
958 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
959 |
painCave.isFatal = 1; |
960 |
simError(); |
961 |
} |
962 |
|
963 |
myEam_rvals[j+1] = atof( the_token ); |
964 |
|
965 |
// Value 3 |
966 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
967 |
sprintf( painCave.errMsg, |
968 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
969 |
painCave.isFatal = 1; |
970 |
simError(); |
971 |
} |
972 |
|
973 |
myEam_rvals[j+2] = atof( the_token ); |
974 |
|
975 |
// Value 4 |
976 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
977 |
sprintf( painCave.errMsg, |
978 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
979 |
painCave.isFatal = 1; |
980 |
simError(); |
981 |
} |
982 |
|
983 |
myEam_rvals[j+3] = atof( the_token ); |
984 |
|
985 |
// Value 5 |
986 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
987 |
sprintf( painCave.errMsg, |
988 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
989 |
painCave.isFatal = 1; |
990 |
simError(); |
991 |
} |
992 |
|
993 |
myEam_rvals[j+4] = atof( the_token ); |
994 |
|
995 |
} |
996 |
// Parse rho of r vals |
997 |
|
998 |
// Assume for now that we have a complete number of lines |
999 |
|
1000 |
for (i=0;i<nReadLines;i++){ |
1001 |
j = i*5; |
1002 |
|
1003 |
// Read next line |
1004 |
eam_eof_test = fgets(eam_read_buffer, sizeof(eam_read_buffer),eamFile); |
1005 |
linenumber++; |
1006 |
if(eam_eof_test == NULL){ |
1007 |
sprintf( painCave.errMsg, |
1008 |
"error in reading EAM file %s at line %d\n", |
1009 |
eamPotFile,linenumber); |
1010 |
painCave.isFatal = 1; |
1011 |
simError(); |
1012 |
} |
1013 |
|
1014 |
// Parse 5 values on each line into array |
1015 |
// Value 1 |
1016 |
if ( (the_token = strtok( eam_read_buffer, " \n\t,;")) == NULL){ |
1017 |
sprintf( painCave.errMsg, |
1018 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
1019 |
painCave.isFatal = 1; |
1020 |
simError(); |
1021 |
} |
1022 |
|
1023 |
myEam_rhovals[j+0] = atof( the_token ); |
1024 |
|
1025 |
// Value 2 |
1026 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
1027 |
sprintf( painCave.errMsg, |
1028 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
1029 |
painCave.isFatal = 1; |
1030 |
simError(); |
1031 |
} |
1032 |
|
1033 |
myEam_rhovals[j+1] = atof( the_token ); |
1034 |
|
1035 |
// Value 3 |
1036 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
1037 |
sprintf( painCave.errMsg, |
1038 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
1039 |
painCave.isFatal = 1; |
1040 |
simError(); |
1041 |
} |
1042 |
|
1043 |
myEam_rhovals[j+2] = atof( the_token ); |
1044 |
|
1045 |
// Value 4 |
1046 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
1047 |
sprintf( painCave.errMsg, |
1048 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
1049 |
painCave.isFatal = 1; |
1050 |
simError(); |
1051 |
} |
1052 |
|
1053 |
myEam_rhovals[j+3] = atof( the_token ); |
1054 |
|
1055 |
// Value 5 |
1056 |
if ( (the_token = strtok( NULL, " \n\t,;")) == NULL){ |
1057 |
sprintf( painCave.errMsg, |
1058 |
"Error parseing EAM nrho: line in %s\n", eamPotFile ); |
1059 |
painCave.isFatal = 1; |
1060 |
simError(); |
1061 |
} |
1062 |
|
1063 |
myEam_rhovals[j+4] = atof( the_token ); |
1064 |
|
1065 |
} |
1066 |
*eam_rvals = myEam_rvals; |
1067 |
*eam_rhovals = myEam_rhovals; |
1068 |
*eam_Frhovals = myEam_Frhovals; |
1069 |
|
1070 |
fclose(eamFile); |
1071 |
return 0; |
1072 |
} |