1 |
#include <cstdlib> |
2 |
#include <cstdio> |
3 |
#include <cstring> |
4 |
|
5 |
#include <iostream> |
6 |
using namespace std; |
7 |
|
8 |
#include "ForceFields.hpp" |
9 |
#include "SRI.hpp" |
10 |
#include "simError.h" |
11 |
|
12 |
// Declare the structures that will be passed by the parser and MPI |
13 |
|
14 |
typedef struct{ |
15 |
char name[15]; |
16 |
double mass; |
17 |
double epslon; |
18 |
double sigma; |
19 |
int ident; |
20 |
int last; // 0 -> default |
21 |
// 1 -> in MPI: tells nodes to stop listening |
22 |
} atomStruct; |
23 |
|
24 |
int parseAtomLJ( char *lineBuffer, int lineNum, atomStruct &info ); |
25 |
|
26 |
#ifdef IS_MPI |
27 |
#include "mpiForceField.h" |
28 |
|
29 |
MPI_Datatype mpiAtomStructType; |
30 |
|
31 |
#endif |
32 |
|
33 |
|
34 |
// declaration of functions needed to wrap the fortran module |
35 |
|
36 |
extern "C" { |
37 |
void forcefactory_( char* forceName, |
38 |
int* status, |
39 |
void (*wrapFunction)( void (*p1)( int* ident, |
40 |
double* mass, |
41 |
double* epslon, |
42 |
double* sigma, |
43 |
int* status ), |
44 |
void (*p2)( int *nLocal, |
45 |
int *identArray, |
46 |
int *isError ), |
47 |
void (*p3)( double* positionArray, |
48 |
double* forceArray, |
49 |
double* potentialEnergy, |
50 |
short int* doPotentialCalc )), |
51 |
int forceNameLength ); |
52 |
} |
53 |
|
54 |
|
55 |
void LJfunctionWrapper( void (*p1)( int* ident, double* mass, double* epslon, |
56 |
double* sigma, int* status ), |
57 |
void (*p2)( int *nLocal, int *identArray, int *isError ), |
58 |
void (*p3)( double* positionArray,double* forceArray, |
59 |
double* potentialEnergy, |
60 |
short int* doPotentialCalc ) ); |
61 |
|
62 |
void (*newLJtype)( int* ident, double* mass, double* epslon, double* sigma, |
63 |
int* status ); |
64 |
|
65 |
void (*initLJfortran) ( int *nLocal, int *identArray, int *isError ); |
66 |
|
67 |
LJ_FF* currentLJwrap; |
68 |
|
69 |
|
70 |
//**************************************************************** |
71 |
// begins the actual forcefield stuff. |
72 |
//**************************************************************** |
73 |
|
74 |
|
75 |
LJ_FF::LJ_FF(){ |
76 |
|
77 |
char fileName[200]; |
78 |
char* ffPath_env = "FORCE_PARAM_PATH"; |
79 |
char* ffPath; |
80 |
char temp[200]; |
81 |
char errMsg[1000]; |
82 |
|
83 |
// do the funtion wrapping |
84 |
currentLJwrap = this; |
85 |
wrapMe(); |
86 |
|
87 |
#ifdef IS_MPI |
88 |
int i; |
89 |
|
90 |
// ********************************************************************** |
91 |
// Init the atomStruct mpi type |
92 |
|
93 |
atomStruct atomProto; // mpiPrototype |
94 |
int atomBC[3] = {15,3,2}; // block counts |
95 |
MPI_Aint atomDspls[3]; // displacements |
96 |
MPI_Datatype atomMbrTypes[3]; // member mpi types |
97 |
|
98 |
MPI_Address(&atomProto.name, &atomDspls[0]); |
99 |
MPI_Address(&atomProto.mass, &atomDspls[1]); |
100 |
MPI_Address(&atomProto.ident, &atomDspls[2]); |
101 |
|
102 |
atomMbrTypes[0] = MPI_CHAR; |
103 |
atomMbrTypes[1] = MPI_DOUBLE; |
104 |
atomMbrTypes[2] = MPI_INT; |
105 |
|
106 |
for (i=2; i >= 0; i--) atomDspls[i] -= atomDspls[0]; |
107 |
|
108 |
MPI_Type_struct(3, atomBC, atomDspls, atomMbrTypes, &mpiAtomStructType); |
109 |
MPI_Type_commit(&mpiAtomStructType); |
110 |
|
111 |
// *********************************************************************** |
112 |
|
113 |
if( worldRank == 0 ){ |
114 |
#endif |
115 |
|
116 |
// generate the force file name |
117 |
|
118 |
strcpy( fileName, "LJ_FF.frc" ); |
119 |
// fprintf( stderr,"Trying to open %s\n", fileName ); |
120 |
|
121 |
// attempt to open the file in the current directory first. |
122 |
|
123 |
frcFile = fopen( fileName, "r" ); |
124 |
|
125 |
if( frcFile == NULL ){ |
126 |
|
127 |
// next see if the force path enviorment variable is set |
128 |
|
129 |
ffPath = getenv( ffPath_env ); |
130 |
if( ffPath == NULL ) { |
131 |
sprintf( painCave.errMsg, |
132 |
"Error opening the force field parameter file: %s\n" |
133 |
"Have you tried setting the FORCE_PARAM_PATH environment " |
134 |
"vairable?\n", |
135 |
fileName ); |
136 |
painCave.isFatal = 1; |
137 |
simError(); |
138 |
} |
139 |
|
140 |
|
141 |
strcpy( temp, ffPath ); |
142 |
strcat( temp, "/" ); |
143 |
strcat( temp, fileName ); |
144 |
strcpy( fileName, temp ); |
145 |
|
146 |
frcFile = fopen( fileName, "r" ); |
147 |
|
148 |
if( frcFile == NULL ){ |
149 |
|
150 |
sprintf( painCave.errMsg, |
151 |
"Error opening the force field parameter file: %s\n" |
152 |
"Have you tried setting the FORCE_PARAM_PATH environment " |
153 |
"vairable?\n", |
154 |
fileName ); |
155 |
painCave.isFatal = 1; |
156 |
simError(); |
157 |
} |
158 |
} |
159 |
|
160 |
#ifdef IS_MPI |
161 |
} |
162 |
|
163 |
sprintf( checkPointMsg, "LJ_FF file opened sucessfully." ); |
164 |
MPIcheckPoint(); |
165 |
|
166 |
#endif // is_mpi |
167 |
} |
168 |
|
169 |
|
170 |
LJ_FF::~LJ_FF(){ |
171 |
|
172 |
#ifdef IS_MPI |
173 |
if( worldRank == 0 ){ |
174 |
#endif // is_mpi |
175 |
|
176 |
fclose( frcFile ); |
177 |
|
178 |
#ifdef IS_MPI |
179 |
} |
180 |
#endif // is_mpi |
181 |
} |
182 |
|
183 |
|
184 |
void LJ_FF::wrapMe( void ){ |
185 |
|
186 |
char* currentFF = "LJ"; |
187 |
int isError = 0; |
188 |
|
189 |
forcefactory_( currentFF, &isError, LJfunctionWrapper, strlen(currentFF) ); |
190 |
|
191 |
if( isError ){ |
192 |
|
193 |
sprintf( painCave.errMsg, |
194 |
"LJ_FF error: an error was returned from fortran when the " |
195 |
"the functions were being wrapped.\n" ); |
196 |
painCave.isFatal = 1; |
197 |
simError(); |
198 |
} |
199 |
|
200 |
#ifdef IS_MPI |
201 |
sprintf( checkPointMsg, "LJ_FF functions succesfully wrapped." ); |
202 |
MPIcheckPoint(); |
203 |
#endif // is_mpi |
204 |
} |
205 |
|
206 |
|
207 |
void LJfunctionWrapper( void (*p1)( int* ident, double* mass, double* epslon, |
208 |
double* sigma, int* status ), |
209 |
void (*p2)( int*, int*, int* ), |
210 |
void (*p3)( double* positionArray,double* forceArray, |
211 |
double* potentialEnergy, |
212 |
short int* doPotentialCalc ) ){ |
213 |
|
214 |
|
215 |
newLJtype = p1; |
216 |
initLJfortran = p2; |
217 |
currentLJwrap->setLJfortran( p3 ); |
218 |
} |
219 |
|
220 |
|
221 |
|
222 |
void LJ_FF::initializeAtoms( void ){ |
223 |
|
224 |
class LinkedType { |
225 |
public: |
226 |
LinkedType(){ |
227 |
next = NULL; |
228 |
name[0] = '\0'; |
229 |
} |
230 |
~LinkedType(){ if( next != NULL ) delete next; } |
231 |
|
232 |
LinkedType* find(char* key){ |
233 |
if( !strcmp(name, key) ) return this; |
234 |
if( next != NULL ) return next->find(key); |
235 |
return NULL; |
236 |
} |
237 |
|
238 |
|
239 |
void add( atomStruct &info ){ |
240 |
|
241 |
// check for duplicates |
242 |
|
243 |
if( !strcmp( info.name, name ) ){ |
244 |
sprintf( painCave.errMsg, |
245 |
"Duplicate LJ atom type \"%s\" found in " |
246 |
"the LJ_FF param file./n", |
247 |
name ); |
248 |
painCave.isFatal = 1; |
249 |
simError(); |
250 |
} |
251 |
|
252 |
if( next != NULL ) next->add(info); |
253 |
else{ |
254 |
next = new LinkedType(); |
255 |
strcpy(next->name, info.name); |
256 |
next->mass = info.mass; |
257 |
next->epslon = info.epslon; |
258 |
next->sigma = info.sigma; |
259 |
next->ident = info.ident; |
260 |
} |
261 |
} |
262 |
|
263 |
|
264 |
#ifdef IS_MPI |
265 |
|
266 |
void duplicate( atomStruct &info ){ |
267 |
strcpy(info.name, name); |
268 |
info.mass = mass; |
269 |
info.epslon = epslon; |
270 |
info.sigma = sigma; |
271 |
info.ident = ident; |
272 |
info.last = 0; |
273 |
} |
274 |
|
275 |
|
276 |
#endif |
277 |
|
278 |
char name[15]; |
279 |
double mass; |
280 |
double epslon; |
281 |
double sigma; |
282 |
int ident; |
283 |
LinkedType* next; |
284 |
}; |
285 |
|
286 |
LinkedType* headAtomType; |
287 |
LinkedType* currentAtomType; |
288 |
atomStruct info; |
289 |
info.last = 1; // initialize last to have the last set. |
290 |
// if things go well, last will be set to 0 |
291 |
|
292 |
int i; |
293 |
int identNum; |
294 |
|
295 |
Atom** the_atoms; |
296 |
int nAtoms; |
297 |
the_atoms = entry_plug->atoms; |
298 |
nAtoms = entry_plug->n_atoms; |
299 |
|
300 |
|
301 |
#ifdef IS_MPI |
302 |
if( worldRank == 0 ){ |
303 |
#endif |
304 |
|
305 |
// read in the atom types. |
306 |
|
307 |
headAtomType = new LinkedType; |
308 |
|
309 |
fastForward( "AtomTypes", "initializeAtoms" ); |
310 |
|
311 |
// we are now at the AtomTypes section. |
312 |
|
313 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
314 |
lineNum++; |
315 |
|
316 |
|
317 |
// read a line, and start parseing out the atom types |
318 |
|
319 |
if( eof_test == NULL ){ |
320 |
sprintf( painCave.errMsg, |
321 |
"Error in reading Atoms from force file at line %d.\n", |
322 |
lineNum ); |
323 |
painCave.isFatal = 1; |
324 |
simError(); |
325 |
} |
326 |
|
327 |
identNum = 1; |
328 |
// stop reading at end of file, or at next section |
329 |
while( readLine[0] != '#' && eof_test != NULL ){ |
330 |
|
331 |
// toss comment lines |
332 |
if( readLine[0] != '!' ){ |
333 |
|
334 |
// the parser returns 0 if the line was blank |
335 |
if( parseAtomLJ( readLine, lineNum, info ) ){ |
336 |
info.ident = identNum; |
337 |
headAtomType->add( info );; |
338 |
identNum++; |
339 |
} |
340 |
} |
341 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
342 |
lineNum++; |
343 |
} |
344 |
|
345 |
#ifdef IS_MPI |
346 |
|
347 |
// send out the linked list to all the other processes |
348 |
|
349 |
sprintf( checkPointMsg, |
350 |
"LJ_FF atom structures read successfully." ); |
351 |
MPIcheckPoint(); |
352 |
|
353 |
currentAtomType = headAtomType->next; //skip the first element who is a place holder. |
354 |
while( currentAtomType != NULL ){ |
355 |
currentAtomType->duplicate( info ); |
356 |
|
357 |
|
358 |
|
359 |
sendFrcStruct( &info, mpiAtomStructType ); |
360 |
|
361 |
sprintf( checkPointMsg, |
362 |
"successfully sent lJ force type: \"%s\"\n", |
363 |
info.name ); |
364 |
MPIcheckPoint(); |
365 |
|
366 |
currentAtomType = currentAtomType->next; |
367 |
} |
368 |
info.last = 1; |
369 |
sendFrcStruct( &info, mpiAtomStructType ); |
370 |
|
371 |
} |
372 |
|
373 |
else{ |
374 |
|
375 |
// listen for node 0 to send out the force params |
376 |
|
377 |
MPIcheckPoint(); |
378 |
|
379 |
headAtomType = new LinkedType; |
380 |
recieveFrcStruct( &info, mpiAtomStructType ); |
381 |
|
382 |
while( !info.last ){ |
383 |
|
384 |
|
385 |
|
386 |
headAtomType->add( info ); |
387 |
|
388 |
MPIcheckPoint(); |
389 |
|
390 |
recieveFrcStruct( &info, mpiAtomStructType ); |
391 |
} |
392 |
} |
393 |
#endif // is_mpi |
394 |
|
395 |
// call new A_types in fortran |
396 |
|
397 |
int isError; |
398 |
currentAtomType = headAtomType; |
399 |
while( currentAtomType != NULL ){ |
400 |
|
401 |
if( currentAtomType->name[0] != '\0' ){ |
402 |
isError = 0; |
403 |
newLJtype( &(currentAtomType->ident), |
404 |
&(currentAtomType->mass), |
405 |
&(currentAtomType->epslon), |
406 |
&(currentAtomType->sigma), |
407 |
&isError ); |
408 |
if( isError ){ |
409 |
sprintf( painCave.errMsg, |
410 |
"Error initializing the \"%s\" atom type in fortran\n", |
411 |
currentAtomType->name ); |
412 |
painCave.isFatal = 1; |
413 |
simError(); |
414 |
} |
415 |
} |
416 |
currentAtomType = currentAtomType->next; |
417 |
} |
418 |
|
419 |
#ifdef IS_MPI |
420 |
sprintf( checkPointMsg, |
421 |
"LJ_FF atom structures successfully sent to fortran\n" ); |
422 |
MPIcheckPoint(); |
423 |
#endif // is_mpi |
424 |
|
425 |
|
426 |
|
427 |
// initialize the atoms |
428 |
|
429 |
double bigSigma = 0.0; |
430 |
Atom* thisAtom; |
431 |
|
432 |
for( i=0; i<nAtoms; i++ ){ |
433 |
|
434 |
currentAtomType = headAtomType->find( the_atoms[i]->getType() ); |
435 |
if( currentAtomType == NULL ){ |
436 |
sprintf( painCave.errMsg, |
437 |
"AtomType error, %s not found in force file.\n", |
438 |
the_atoms[i]->getType() ); |
439 |
painCave.isFatal = 1; |
440 |
simError(); |
441 |
} |
442 |
|
443 |
the_atoms[i]->setMass( currentAtomType->mass ); |
444 |
the_atoms[i]->setEpslon( currentAtomType->epslon ); |
445 |
the_atoms[i]->setSigma( currentAtomType->sigma ); |
446 |
the_atoms[i]->setIdent( currentAtomType->ident ); |
447 |
the_atoms[i]->setLJ(); |
448 |
|
449 |
if( bigSigma < currentAtomType->sigma ) bigSigma = currentAtomType->sigma; |
450 |
} |
451 |
|
452 |
|
453 |
#ifdef IS_MPI |
454 |
double tempBig = bigSigma; |
455 |
MPI::COMM_WORLD.Allreduce( &tempBig, &bigSigma, 1, MPI_DOUBLE, MPI_MAX ); |
456 |
#endif //is_mpi |
457 |
|
458 |
//calc rCut and rList |
459 |
|
460 |
entry_plug->rCut = 2.5 * bigSigma; |
461 |
if(entry_plug->rCut > (entry_plug->box_x / 2.0)) entry_plug->rCut = entry_plug->box_x / 2.0; |
462 |
if(entry_plug->rCut > (entry_plug->box_y / 2.0)) entry_plug->rCut = entry_plug->box_y / 2.0; |
463 |
if(entry_plug->rCut > (entry_plug->box_z / 2.0)) entry_plug->rCut = entry_plug->box_z / 2.0; |
464 |
|
465 |
entry_plug->rList = entry_plug->rCut + 1.0; |
466 |
|
467 |
// clean up the memory |
468 |
|
469 |
delete headAtomType; |
470 |
|
471 |
#ifdef IS_MPI |
472 |
sprintf( checkPointMsg, "LJ_FF atoms initialized succesfully" ); |
473 |
MPIcheckPoint(); |
474 |
#endif // is_mpi |
475 |
|
476 |
initFortran(); |
477 |
entry_plug->refreshSim(); |
478 |
|
479 |
} |
480 |
|
481 |
void LJ_FF::initializeBonds( bond_pair* the_bonds ){ |
482 |
|
483 |
if( entry_plug->n_bonds ){ |
484 |
sprintf( painCave.errMsg, |
485 |
"LJ_FF does not support bonds.\n" ); |
486 |
painCave.isFatal = 1; |
487 |
simError(); |
488 |
} |
489 |
#ifdef IS_MPI |
490 |
MPIcheckPoint(); |
491 |
#endif // is_mpi |
492 |
|
493 |
} |
494 |
|
495 |
void LJ_FF::initializeBends( bend_set* the_bends ){ |
496 |
|
497 |
if( entry_plug->n_bends ){ |
498 |
sprintf( painCave.errMsg, |
499 |
"LJ_FF does not support bends.\n" ); |
500 |
painCave.isFatal = 1; |
501 |
simError(); |
502 |
} |
503 |
#ifdef IS_MPI |
504 |
MPIcheckPoint(); |
505 |
#endif // is_mpi |
506 |
|
507 |
} |
508 |
|
509 |
void LJ_FF::initializeTorsions( torsion_set* the_torsions ){ |
510 |
|
511 |
if( entry_plug->n_torsions ){ |
512 |
sprintf( painCave.errMsg, |
513 |
"LJ_FF does not support torsions.\n" ); |
514 |
painCave.isFatal = 1; |
515 |
simError(); |
516 |
} |
517 |
#ifdef IS_MPI |
518 |
MPIcheckPoint(); |
519 |
#endif // is_mpi |
520 |
|
521 |
} |
522 |
|
523 |
|
524 |
void LJ_FF::fastForward( char* stopText, char* searchOwner ){ |
525 |
|
526 |
int foundText = 0; |
527 |
char* the_token; |
528 |
|
529 |
rewind( frcFile ); |
530 |
lineNum = 0; |
531 |
|
532 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
533 |
lineNum++; |
534 |
if( eof_test == NULL ){ |
535 |
sprintf( painCave.errMsg, "Error fast forwarding force file for %s: " |
536 |
" file is empty.\n", |
537 |
searchOwner ); |
538 |
painCave.isFatal = 1; |
539 |
simError(); |
540 |
} |
541 |
|
542 |
|
543 |
while( !foundText ){ |
544 |
while( eof_test != NULL && readLine[0] != '#' ){ |
545 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
546 |
lineNum++; |
547 |
} |
548 |
if( eof_test == NULL ){ |
549 |
sprintf( painCave.errMsg, |
550 |
"Error fast forwarding force file for %s at " |
551 |
"line %d: file ended unexpectedly.\n", |
552 |
searchOwner, |
553 |
lineNum ); |
554 |
painCave.isFatal = 1; |
555 |
simError(); |
556 |
} |
557 |
|
558 |
the_token = strtok( readLine, " ,;\t#\n" ); |
559 |
foundText = !strcmp( stopText, the_token ); |
560 |
|
561 |
if( !foundText ){ |
562 |
eof_test = fgets( readLine, sizeof(readLine), frcFile ); |
563 |
lineNum++; |
564 |
|
565 |
if( eof_test == NULL ){ |
566 |
sprintf( painCave.errMsg, |
567 |
"Error fast forwarding force file for %s at " |
568 |
"line %d: file ended unexpectedly.\n", |
569 |
searchOwner, |
570 |
lineNum ); |
571 |
painCave.isFatal = 1; |
572 |
simError(); |
573 |
} |
574 |
} |
575 |
} |
576 |
} |
577 |
|
578 |
|
579 |
|
580 |
int parseAtomLJ( char *lineBuffer, int lineNum, atomStruct &info ){ |
581 |
|
582 |
char* the_token; |
583 |
|
584 |
the_token = strtok( lineBuffer, " \n\t,;" ); |
585 |
if( the_token != NULL ){ |
586 |
|
587 |
strcpy( info.name, the_token ); |
588 |
|
589 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
590 |
sprintf( painCave.errMsg, |
591 |
"Error parseing AtomTypes: line %d\n", lineNum ); |
592 |
painCave.isFatal = 1; |
593 |
simError(); |
594 |
} |
595 |
|
596 |
info.mass = atof( the_token ); |
597 |
|
598 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
599 |
sprintf( painCave.errMsg, |
600 |
"Error parseing AtomTypes: line %d\n", lineNum ); |
601 |
painCave.isFatal = 1; |
602 |
simError(); |
603 |
} |
604 |
|
605 |
info.epslon = atof( the_token ); |
606 |
|
607 |
if( ( the_token = strtok( NULL, " \n\t,;" ) ) == NULL ){ |
608 |
sprintf( painCave.errMsg, |
609 |
"Error parseing AtomTypes: line %d\n", lineNum ); |
610 |
painCave.isFatal = 1; |
611 |
simError(); |
612 |
} |
613 |
|
614 |
info.sigma = atof( the_token ); |
615 |
|
616 |
return 1; |
617 |
} |
618 |
else return 0; |
619 |
} |
620 |
|
621 |
|
622 |
void LJ_FF::doForces( int calcPot ){ |
623 |
|
624 |
int i; |
625 |
double* frc; |
626 |
double* pos; |
627 |
short int passedCalcPot = (short int)calcPot; |
628 |
|
629 |
// forces are zeroed here, before any are acumulated. |
630 |
// NOTE: do not rezero the forces in Fortran. |
631 |
|
632 |
for(i=0; i<entry_plug->n_atoms; i++){ |
633 |
entry_plug->atoms[i]->zeroForces(); |
634 |
} |
635 |
|
636 |
frc = Atom::getFrcArray(); |
637 |
pos = Atom::getPosArray(); |
638 |
|
639 |
// entry_plug->lrPot = -1; |
640 |
doLJfortran( pos, frc, &(entry_plug->lrPot), &passedCalcPot ); |
641 |
|
642 |
|
643 |
// fprintf( stderr, |
644 |
// "lrPot = %lf\n", entry_plug->lrPot ); |
645 |
|
646 |
} |
647 |
|
648 |
void LJ_FF::initFortran( void ){ |
649 |
|
650 |
int nLocal = entry_plug->n_atoms; |
651 |
int *ident; |
652 |
int isError; |
653 |
int i; |
654 |
|
655 |
ident = new int[nLocal]; |
656 |
|
657 |
for(i=0; i<nLocal; i++){ |
658 |
ident[i] = entry_plug->atoms[i]->getIdent(); |
659 |
} |
660 |
|
661 |
isError = 0; |
662 |
initLJfortran( &nLocal, ident, &isError ); |
663 |
|
664 |
if(isError){ |
665 |
sprintf( painCave.errMsg, |
666 |
"LJ_FF error: There was an error initializing the component list in fortran.\n" ); |
667 |
painCave.isFatal = 1; |
668 |
simError(); |
669 |
} |
670 |
|
671 |
|
672 |
#ifdef IS_MPI |
673 |
sprintf( checkPointMsg, "LJ_FF successfully initialized the fortran component list.\n" ); |
674 |
MPIcheckPoint(); |
675 |
#endif // is_mpi |
676 |
|
677 |
delete[] ident; |
678 |
|
679 |
} |
680 |
|