| 1 | 
#include <cstdlib> | 
| 2 | 
#include <cstdio> | 
| 3 | 
#include <cstring> | 
| 4 | 
#include <cmath> | 
| 5 | 
#include <iostream> | 
| 6 | 
 | 
| 7 | 
#include "cmdline.h" | 
| 8 | 
#include "simError.h" | 
| 9 | 
#include "parse_me.h" | 
| 10 | 
#include "MakeStamps.hpp" | 
| 11 | 
#include "Globals.hpp" | 
| 12 | 
#include "SimInfo.hpp" | 
| 13 | 
 | 
| 14 | 
#include "sysBuild.hpp" | 
| 15 | 
#include "latticeBuilder.hpp" | 
| 16 | 
#include "bilayerSys.hpp" | 
| 17 | 
#include "nanoBuilder.hpp" | 
| 18 | 
 | 
| 19 | 
// this routine is defined in BASS_interface.cpp | 
| 20 | 
extern void set_interface_stamps( MakeStamps* ms, Globals* g ); | 
| 21 | 
  | 
| 22 | 
 | 
| 23 | 
// case asignments | 
| 24 | 
#define BILAYER 1 | 
| 25 | 
#define NANOPARTICLE 2 | 
| 26 | 
 | 
| 27 | 
char* program_name; | 
| 28 | 
bassInfo bsInfo; | 
| 29 | 
void usage(void); | 
| 30 | 
int grabCmdArgs(void); | 
| 31 | 
 | 
| 32 | 
 | 
| 33 | 
 | 
| 34 | 
 | 
| 35 | 
int have_prefix; | 
| 36 | 
char* out_prefix; | 
| 37 | 
char* in_name; | 
| 38 | 
int isRandom; | 
| 39 | 
includeLinked* headInc; | 
| 40 | 
includeLinked* prevInc; | 
| 41 | 
includeLinked* currInc; | 
| 42 | 
gengetopt_args_info args_info; | 
| 43 | 
 | 
| 44 | 
 | 
| 45 | 
int main( int argc, char* argv[]){ | 
| 46 | 
 | 
| 47 | 
  int i,j,k; | 
| 48 | 
  int sysType; | 
| 49 | 
  int done; | 
| 50 | 
  char current_flag; | 
| 51 | 
  // int have_prefix; | 
| 52 | 
  //  char* out_prefix; | 
| 53 | 
  //  char* in_name; | 
| 54 | 
  char* id; | 
| 55 | 
 | 
| 56 | 
  int hasErrors; | 
| 57 | 
 | 
| 58 | 
  // initialize all functions and variables | 
| 59 | 
 | 
| 60 | 
  initSimError(); | 
| 61 | 
  program_name = argv[0]; | 
| 62 | 
  sysType = -1; | 
| 63 | 
  have_prefix = 0; | 
| 64 | 
  isRandom = 0; | 
| 65 | 
  in_name = NULL; | 
| 66 | 
  headInc = NULL; | 
| 67 | 
 | 
| 68 | 
  bsInfo.includes = NULL; | 
| 69 | 
 | 
| 70 | 
 | 
| 71 | 
  // parse command line arguments | 
| 72 | 
 | 
| 73 | 
  if (cmdline_parser (argc, argv, &args_info) != 0) | 
| 74 | 
    exit(1) ; | 
| 75 | 
 | 
| 76 | 
  // Handle command line arguments. | 
| 77 | 
  sysType = grabCmdArgs(); | 
| 78 | 
 | 
| 79 | 
  // Keep me | 
| 80 | 
  if(in_name == NULL){ | 
| 81 | 
    sprintf( painCave.errMsg, | 
| 82 | 
             "No input bass file was specified.\n"); | 
| 83 | 
    painCave.isFatal = 0; | 
| 84 | 
    simError();     | 
| 85 | 
    cmdline_parser_print_help(); | 
| 86 | 
  } | 
| 87 | 
 | 
| 88 | 
  if( sysType < 0 ){ | 
| 89 | 
    sprintf( painCave.errMsg, | 
| 90 | 
             "No system type was specified.\n"); | 
| 91 | 
    painCave.isFatal = 0; | 
| 92 | 
    simError();     | 
| 93 | 
    cmdline_parser_print_help(); | 
| 94 | 
  } | 
| 95 | 
   | 
| 96 | 
   | 
| 97 | 
  // if no output prefix is given default to "donkey". | 
| 98 | 
 | 
| 99 | 
  if( !have_prefix ){ | 
| 100 | 
    out_prefix = strdup( "donkey" ); | 
| 101 | 
  } | 
| 102 | 
   | 
| 103 | 
  // set command line info into the bassInfo struct | 
| 104 | 
   | 
| 105 | 
  bsInfo.outPrefix = out_prefix; | 
| 106 | 
  bsInfo.includes = headInc; | 
| 107 | 
   | 
| 108 | 
  // open and parse the bass file. | 
| 109 | 
 | 
| 110 | 
  set_interface_stamps( the_stamps, the_globals ); | 
| 111 | 
  yacc_BASS( in_name );   | 
| 112 | 
 | 
| 113 | 
  // set the easy ones first | 
| 114 | 
  bsInfo.targetTemp = the_globals->getTargetTemp(); | 
| 115 | 
  bsInfo.dt = the_globals->getDt(); | 
| 116 | 
  bsInfo.runTime = the_globals->getRunTime(); | 
| 117 | 
 | 
| 118 | 
  // get the ones we know are there, yet still may need some work. | 
| 119 | 
  bsInfo.nComponents = the_globals->getNComponents(); | 
| 120 | 
  strcpy( bsInfo.forceField, the_globals->getForceField() ); | 
| 121 | 
 | 
| 122 | 
  // get the ensemble: | 
| 123 | 
  strcpy( bsInfo.ensemble, the_globals->getEnsemble() ); | 
| 124 | 
  if( !strcasecmp( bsInfo.ensemble, "NPT" ) ) { | 
| 125 | 
     | 
| 126 | 
    if (the_globals->haveTargetPressure()){ | 
| 127 | 
      bsInfo.targetPressure = the_globals->getTargetPressure(); | 
| 128 | 
      bsInfo.havePressure = 1; | 
| 129 | 
    } | 
| 130 | 
    else { | 
| 131 | 
      sprintf( painCave.errMsg, | 
| 132 | 
               "sysBuild error: If you use the constant pressure\n" | 
| 133 | 
               "    ensemble, you must set targetPressure.\n" | 
| 134 | 
               "    This was found in the BASS file.\n"); | 
| 135 | 
      painCave.isFatal = 1; | 
| 136 | 
      simError(); | 
| 137 | 
    } | 
| 138 | 
 | 
| 139 | 
    if (the_globals->haveTauThermostat()){ | 
| 140 | 
      bsInfo.tauThermostat = the_globals->getTauThermostat(); | 
| 141 | 
      bsInfo.haveTauThermostat = 1;; | 
| 142 | 
    } | 
| 143 | 
    else if (the_globals->haveQmass()){ | 
| 144 | 
      bsInfo.Qmass = the_globals->getQmass(); | 
| 145 | 
      bsInfo.haveQmass = 1; | 
| 146 | 
    } | 
| 147 | 
    else { | 
| 148 | 
      sprintf( painCave.errMsg, | 
| 149 | 
               "sysBuild error: If you use one of the constant temperature\n" | 
| 150 | 
               "    ensembles, you must set either tauThermostat or qMass.\n" | 
| 151 | 
               "    Neither of these was found in the BASS file.\n"); | 
| 152 | 
      painCave.isFatal = 1; | 
| 153 | 
      simError(); | 
| 154 | 
    } | 
| 155 | 
 | 
| 156 | 
    if (the_globals->haveTauBarostat()){ | 
| 157 | 
      bsInfo.tauBarostat = the_globals->getTauBarostat(); | 
| 158 | 
      bsInfo.haveTauBarostat = 1; | 
| 159 | 
    }                                     | 
| 160 | 
    else { | 
| 161 | 
      sprintf( painCave.errMsg, | 
| 162 | 
               "sysBuild error: If you use the constant pressure\n" | 
| 163 | 
               "    ensemble, you must set tauBarostat.\n" | 
| 164 | 
               "    This was found in the BASS file.\n"); | 
| 165 | 
      painCave.isFatal = 1; | 
| 166 | 
      simError(); | 
| 167 | 
    } | 
| 168 | 
 | 
| 169 | 
  }  | 
| 170 | 
  else if ( !strcasecmp( bsInfo.ensemble, "NVT") ) { | 
| 171 | 
 | 
| 172 | 
    if (the_globals->haveTauThermostat()){ | 
| 173 | 
      bsInfo.tauThermostat = the_globals->getTauThermostat(); | 
| 174 | 
      bsInfo.haveTauThermostat = 1; | 
| 175 | 
    } | 
| 176 | 
    else if (the_globals->haveQmass()){ | 
| 177 | 
      bsInfo.Qmass = the_globals->getQmass(); | 
| 178 | 
      bsInfo.haveQmass = 1; | 
| 179 | 
    } | 
| 180 | 
    else { | 
| 181 | 
      sprintf( painCave.errMsg, | 
| 182 | 
               "sysBuild error: If you use one of the constant temperature\n" | 
| 183 | 
               "    ensembles, you must set either tauThermostat or qMass.\n" | 
| 184 | 
               "    Neither of these was found in the BASS file.\n"); | 
| 185 | 
      painCave.isFatal = 1; | 
| 186 | 
      simError(); | 
| 187 | 
    } | 
| 188 | 
     | 
| 189 | 
  }  | 
| 190 | 
  else if ( !strcasecmp( bsInfo.ensemble, "NVE") ) { | 
| 191 | 
     | 
| 192 | 
    // nothing special for now | 
| 193 | 
  }  | 
| 194 | 
  else { | 
| 195 | 
    sprintf( painCave.errMsg, | 
| 196 | 
             "sysBuild Warning. Unrecognized Ensemble -> %s, " | 
| 197 | 
             "reverting to NVE for this simulation.\n", | 
| 198 | 
             bsInfo.ensemble ); | 
| 199 | 
    painCave.isFatal = 0; | 
| 200 | 
    simError(); | 
| 201 | 
    strcpy( bsInfo.ensemble, "NVE" ); | 
| 202 | 
  }   | 
| 203 | 
 | 
| 204 | 
 | 
| 205 | 
  // get the components and calculate the tot_nMol and indvidual n_mol | 
| 206 | 
 | 
| 207 | 
  the_components = the_globals->getComponents(); | 
| 208 | 
  bsInfo.componentsNmol = new int[bsInfo.nComponents]; | 
| 209 | 
  bsInfo.compStamps = new MoleculeStamp*[bsInfo.nComponents];   | 
| 210 | 
  bsInfo.totNmol = 0; | 
| 211 | 
  for( i=0; i<bsInfo.nComponents; i++ ){ | 
| 212 | 
     | 
| 213 | 
    if( !the_components[i]->haveNMol() ){ | 
| 214 | 
      // we have a problem | 
| 215 | 
      sprintf( painCave.errMsg, | 
| 216 | 
               "sysBuild Error. No component NMol" | 
| 217 | 
               " given. Cannot calculate the number of atoms.\n" ); | 
| 218 | 
      painCave.isFatal = 1; | 
| 219 | 
      simError(); | 
| 220 | 
    } | 
| 221 | 
     | 
| 222 | 
    bsInfo.totNmol += the_components[i]->getNMol(); | 
| 223 | 
    bsInfo.componentsNmol[i] = the_components[i]->getNMol(); | 
| 224 | 
  } | 
| 225 | 
 | 
| 226 | 
  // make an array of molecule stamps that match the components used. | 
| 227 | 
  // also extract the used stamps out into a separate linked list | 
| 228 | 
   | 
| 229 | 
  for( i=0; i<bsInfo.nComponents; i++ ){ | 
| 230 | 
 | 
| 231 | 
    id = the_components[i]->getType(); | 
| 232 | 
    bsInfo.compStamps[i] = NULL; | 
| 233 | 
     | 
| 234 | 
    // check to make sure the component isn't already in the list | 
| 235 | 
 | 
| 236 | 
    bsInfo.compStamps[i] = headStamp->match( id ); | 
| 237 | 
    if( bsInfo.compStamps[i] == NULL ){ | 
| 238 | 
       | 
| 239 | 
      // extract the component from the list; | 
| 240 | 
       | 
| 241 | 
      currStamp = the_stamps->extractMolStamp( id ); | 
| 242 | 
      if( currStamp == NULL ){ | 
| 243 | 
        sprintf( painCave.errMsg, | 
| 244 | 
                 "sysBuild error: Component \"%s\" was not found in the " | 
| 245 | 
                 "list of declared molecules\n", | 
| 246 | 
                 id ); | 
| 247 | 
        painCave.isFatal = 1; | 
| 248 | 
        simError(); | 
| 249 | 
      } | 
| 250 | 
       | 
| 251 | 
      headStamp->add( currStamp ); | 
| 252 | 
      bsInfo.compStamps[i] = headStamp->match( id ); | 
| 253 | 
    } | 
| 254 | 
  } | 
| 255 | 
 | 
| 256 | 
  // get and set the boxSize | 
| 257 | 
   | 
| 258 | 
  bsInfo.haveBox = false; | 
| 259 | 
 | 
| 260 | 
  std::cerr << "Box setting..."; | 
| 261 | 
 | 
| 262 | 
  std::cerr <<" haveBox= " << the_globals->haveBox() << "\n"; | 
| 263 | 
 | 
| 264 | 
  if( the_globals->haveBox() ){ | 
| 265 | 
    bsInfo.boxX = the_globals->getBox(); | 
| 266 | 
    bsInfo.boxY = the_globals->getBox(); | 
| 267 | 
    bsInfo.boxZ = the_globals->getBox(); | 
| 268 | 
    bsInfo.haveBox = true; | 
| 269 | 
    std::cerr<< "box=>yes\n"; | 
| 270 | 
  } | 
| 271 | 
  else if( the_globals->haveDensity() ){ | 
| 272 | 
 | 
| 273 | 
    double vol; | 
| 274 | 
    vol = (double)bsInfo.totNmol / the_globals->getDensity(); | 
| 275 | 
    bsInfo.boxX = pow( vol, ( 1.0 / 3.0 ) ); | 
| 276 | 
    bsInfo.boxY = bsInfo.boxX; | 
| 277 | 
    bsInfo.boxZ = bsInfo.boxY; | 
| 278 | 
    bsInfo.haveBox = true; | 
| 279 | 
 | 
| 280 | 
    std::cerr<< "dens=>yes\n"; | 
| 281 | 
  } | 
| 282 | 
  else{ | 
| 283 | 
    std::cerr<< "none.\n"; | 
| 284 | 
  } | 
| 285 | 
   | 
| 286 | 
 | 
| 287 | 
  // ************************************************************ | 
| 288 | 
  // that should be all we need from bass. now to switch to the | 
| 289 | 
  // appropriate system builder. | 
| 290 | 
  // *********************************************************** | 
| 291 | 
   | 
| 292 | 
  nanoBuilder* buildNano; | 
| 293 | 
                                 | 
| 294 | 
  switch( sysType ){ | 
| 295 | 
     | 
| 296 | 
  case BILAYER: | 
| 297 | 
    buildBilayer( isRandom ); | 
| 298 | 
    break; | 
| 299 | 
 | 
| 300 | 
  case NANOPARTICLE: | 
| 301 | 
 | 
| 302 | 
    buildNano = new nanoBuilder(hasErrors); | 
| 303 | 
     | 
| 304 | 
    buildNano->buildNanoParticle(); | 
| 305 | 
     | 
| 306 | 
    break; | 
| 307 | 
 | 
| 308 | 
  default: | 
| 309 | 
    sprintf( painCave.errMsg, | 
| 310 | 
             "Unknown system type: %d\n", sysType ); | 
| 311 | 
    painCave.isFatal = 1; | 
| 312 | 
    simError(); | 
| 313 | 
 | 
| 314 | 
  } | 
| 315 | 
   | 
| 316 | 
 | 
| 317 | 
 | 
| 318 | 
  // clean up memory; | 
| 319 | 
 | 
| 320 | 
  if( headStamp!= NULL )       delete headStamp; | 
| 321 | 
  if( the_stamps != NULL )     delete the_stamps; | 
| 322 | 
  if( the_globals != NULL )    delete the_globals; | 
| 323 | 
  //  if( the_components != NULL ) delete[] the_components; | 
| 324 | 
   | 
| 325 | 
  if( bsInfo.componentsNmol != NULL ) delete[] bsInfo.componentsNmol; | 
| 326 | 
  if( bsInfo.compStamps != NULL )     delete[] bsInfo.compStamps; | 
| 327 | 
  if( bsInfo.includes != NULL ){ | 
| 328 | 
    prevInc = bsInfo.includes; | 
| 329 | 
    while( prevInc != NULL ){ | 
| 330 | 
      currInc = prevInc->next; | 
| 331 | 
      delete prevInc; | 
| 332 | 
      prevInc = currInc; | 
| 333 | 
    } | 
| 334 | 
  } | 
| 335 | 
       | 
| 336 | 
  return 0; | 
| 337 | 
} | 
| 338 | 
 | 
| 339 | 
 | 
| 340 | 
 | 
| 341 | 
/* Parses command line arguments. Returns systype. If systype is -1,  | 
| 342 | 
   sysType was undefined. | 
| 343 | 
*/ | 
| 344 | 
int grabCmdArgs(){ | 
| 345 | 
  int sysType; | 
| 346 | 
  int i; | 
| 347 | 
 | 
| 348 | 
  sysType = -1; | 
| 349 | 
 | 
| 350 | 
  /* Handle model arguments first....*/ | 
| 351 | 
 | 
| 352 | 
  if (args_info.bilayer_given){  //Test for bilayer system. | 
| 353 | 
    sysType = BILAYER; | 
| 354 | 
    if ((args_info.water_given) && (args_info.lipid_given)){ | 
| 355 | 
      strcpy( bsInfo.lipidName, args_info.lipid_arg ); | 
| 356 | 
      strcpy( bsInfo.waterName, args_info.water_arg ); | 
| 357 | 
    } | 
| 358 | 
    else { | 
| 359 | 
      sprintf( painCave.errMsg, | 
| 360 | 
               "You must specify a lipid and water model for bilayer.\n" ); | 
| 361 | 
      painCave.isFatal = 0; | 
| 362 | 
      simError(); | 
| 363 | 
      cmdline_parser_print_help(); | 
| 364 | 
    } | 
| 365 | 
  } | 
| 366 | 
 | 
| 367 | 
  // Test for nanoparticle system. | 
| 368 | 
  if (args_info.nanoparticle_given){ | 
| 369 | 
    sysType = NANOPARTICLE; | 
| 370 | 
    if (!args_info.core_given){ | 
| 371 | 
      sprintf( painCave.errMsg, | 
| 372 | 
               "You must specify core model for nanoparticle.\n" ); | 
| 373 | 
      painCave.isFatal = 0; | 
| 374 | 
      simError(); | 
| 375 | 
      cmdline_parser_print_help(); | 
| 376 | 
    } | 
| 377 | 
 | 
| 378 | 
    // set core model | 
| 379 | 
    strcpy( bsInfo.coreName, args_info.core_arg ); | 
| 380 | 
    if (args_info.shell_given){ | 
| 381 | 
      bsInfo.buildCoreShell = 1; | 
| 382 | 
      strcpy( bsInfo.shellName, args_info.shell_arg ); | 
| 383 | 
 | 
| 384 | 
 | 
| 385 | 
    } | 
| 386 | 
     | 
| 387 | 
    // Check for vacancies. | 
| 388 | 
    if (args_info.vacancies_given){ | 
| 389 | 
       | 
| 390 | 
      if (!args_info.vacancyradius_given){ // Make sure that a vacancy radius was given. | 
| 391 | 
        sprintf( painCave.errMsg, | 
| 392 | 
                 "You must specify a vacancy radius for building vacancies.\n" ); | 
| 393 | 
        painCave.isFatal = 0; | 
| 394 | 
        simError(); | 
| 395 | 
        cmdline_parser_print_help(); | 
| 396 | 
      } | 
| 397 | 
      bsInfo.hasVacancies = 1; | 
| 398 | 
      bsInfo.vacancyRadius = args_info.vacancyradius_arg; | 
| 399 | 
    } | 
| 400 | 
    else if (args_info.vacancyradius_given){ | 
| 401 | 
        sprintf( painCave.errMsg, | 
| 402 | 
                 "You must specify vacancies=percent for vacancy radius.\n" ); | 
| 403 | 
        painCave.isFatal = 0; | 
| 404 | 
        simError(); | 
| 405 | 
        cmdline_parser_print_help(); | 
| 406 | 
    } | 
| 407 | 
 | 
| 408 | 
    if (args_info.randomparticle_given){ | 
| 409 | 
      bsInfo.isRandomParticle = 1; | 
| 410 | 
      bsInfo.soluteX = args_info.randomparticle_arg; | 
| 411 | 
    } | 
| 412 | 
     | 
| 413 | 
  }  | 
| 414 | 
  /* ---------------Now do general arguments-----------------------*/ | 
| 415 | 
   | 
| 416 | 
  if (args_info.output_given){ //Output File (defaults to donkey if not specified. | 
| 417 | 
    out_prefix = args_info.output_arg; | 
| 418 | 
    have_prefix = 1; | 
| 419 | 
  } | 
| 420 | 
 | 
| 421 | 
  if (args_info.include_given){  // Deal with multiple include files. | 
| 422 | 
    for( i = 0; i < args_info.include_given;++i){ | 
| 423 | 
      if( headInc == NULL ){ | 
| 424 | 
        headInc = new includeLinked; | 
| 425 | 
        headInc->next = NULL; | 
| 426 | 
        strcpy( headInc->name, args_info.include_arg[i] ); | 
| 427 | 
      } | 
| 428 | 
      else{  | 
| 429 | 
        prevInc = headInc; | 
| 430 | 
        currInc = headInc->next; | 
| 431 | 
        while( currInc != NULL ){ | 
| 432 | 
          prevInc = currInc; | 
| 433 | 
          currInc = prevInc->next; | 
| 434 | 
        } | 
| 435 | 
        currInc = new includeLinked; | 
| 436 | 
        currInc->next = NULL; | 
| 437 | 
        strcpy( currInc->name, args_info.include_arg[i] ); | 
| 438 | 
        prevInc->next = currInc; | 
| 439 | 
      } | 
| 440 | 
    } | 
| 441 | 
  } | 
| 442 | 
 | 
| 443 | 
  if (args_info.random_given){ // Random Particle | 
| 444 | 
    isRandom = 1;; | 
| 445 | 
  } | 
| 446 | 
 | 
| 447 | 
  if (args_info.inputs_num) {  //Get input file name | 
| 448 | 
    in_name = args_info.inputs[0]; | 
| 449 | 
    cerr << in_name << "\n"; | 
| 450 | 
      } | 
| 451 | 
  else { | 
| 452 | 
        sprintf( painCave.errMsg, | 
| 453 | 
                 "You must specify a input file name.\n" ); | 
| 454 | 
        painCave.isFatal = 0; | 
| 455 | 
        simError(); | 
| 456 | 
        cmdline_parser_print_help(); | 
| 457 | 
 | 
| 458 | 
  } | 
| 459 | 
 | 
| 460 | 
  return sysType; | 
| 461 | 
} | 
| 462 | 
 | 
| 463 | 
 | 
| 464 | 
 | 
| 465 | 
 | 
| 466 | 
 | 
| 467 | 
 | 
| 468 | 
 | 
| 469 | 
 | 
| 470 | 
 | 
| 471 | 
 | 
| 472 | 
/*************************************************************************** | 
| 473 | 
 * prints out the usage for the command line arguments, then exits. | 
| 474 | 
 ***************************************************************************/ | 
| 475 | 
 | 
| 476 | 
void usage(){ | 
| 477 | 
  (void)fprintf(stdout,  | 
| 478 | 
                "The proper usage is: %s [options] <input bass>\n" | 
| 479 | 
                "\n" | 
| 480 | 
                "Options:\n" | 
| 481 | 
                "\n" | 
| 482 | 
                "  short:\n" | 
| 483 | 
                "  ------\n" | 
| 484 | 
                "   -h              Display this message\n" | 
| 485 | 
                "   -o <prefix>     The output prefix\n" | 
| 486 | 
                "   -I <include>    File name that should be included at the top of the\n" | 
| 487 | 
                "                     output bass file.\n" | 
| 488 | 
                "   -r              toggle the random option\n" | 
| 489 | 
                "\n" | 
| 490 | 
                "  long:\n" | 
| 491 | 
                "  -----\n" | 
| 492 | 
                "   --bilayer <lipid> <water>  Tries to build a basic bilayer with the specified number\n" | 
| 493 | 
                "                              of lipids in the input bass file. The bilayer will be\n" | 
| 494 | 
                "                              surrounded by the number of solvent molecules given\n" | 
| 495 | 
                "                              in the bass file.\n" | 
| 496 | 
                "                                -note: combined with \"-r\" the simulation will start\n" | 
| 497 | 
                "                                 the lipids randomly oriented in a sea of waters.\n" | 
| 498 | 
                "\n" | 
| 499 | 
                "\n", | 
| 500 | 
                program_name); | 
| 501 | 
  exit(8); | 
| 502 | 
} |