Function main

tests/array-metadata.cpp:210–323

/ / /

/***************************************************************/
/***************************************************************/
int main(int argc, char *argv[]) {
  initialize mpi(argc, argv);

  /*--------------------------------------------------------------*/
  /*- set default geometric parameters ---------------------------*/
  /*--------------------------------------------------------------*/
  // size of computational cell
  double sx = 10.0;
  double sy = 5.0;
  double sz = 0.0;

  // corners of array volume
  double vxmin = -2.5, vxmax = -2.5;
  double vymin = -1.0, vymax = +3.0;
  double vzmin = 0.0, vzmax = 0.0;

  double res = 10.0;

  // double-valued command-line parameters
  vector<const char *> parm_name;
  vector<double *> parm_adrs;
  parm_name.push_back("--sx");
  parm_adrs.push_back(&sx);
  parm_name.push_back("--sy");
  parm_adrs.push_back(&sy);
  parm_name.push_back("--sz");
  parm_adrs.push_back(&sz);
  parm_name.push_back("--vxmin");
  parm_adrs.push_back(&vxmin);
  parm_name.push_back("--vymin");
  parm_adrs.push_back(&vymin);
  parm_name.push_back("--vzmin");
  parm_adrs.push_back(&vzmin);
  parm_name.push_back("--vxmax");
  parm_adrs.push_back(&vxmax);
  parm_name.push_back("--vymax");
  parm_adrs.push_back(&vymax);
  parm_name.push_back("--vzmax");
  parm_adrs.push_back(&vzmax);
  parm_name.push_back("--res");
  parm_adrs.push_back(&res);

  /*--------------------------------------------------------------*/
  /*- parse arguments --------------------------------------------*/
  /*--------------------------------------------------------------*/
  for (int narg = 1; narg < argc; narg++) {
    // process double-valued parameters
    size_t np;
    for (np = 0; np < parm_name.size(); np++)
      if (!strcasecmp(argv[narg], parm_name[np])) break;
    if (np == parm_name.size()) meep::abort("unknown command-line option %s", argv[narg]);
    if (narg + 1 == argc) meep::abort("no option specified for %s", argv[narg]);
    if (1 != sscanf(argv[narg + 1], "%le", parm_adrs[np]))
      meep::abort("invalid value %s specified for %s", argv[narg + 1], argv[narg]);
    printf("Setting %s=%e.\n", argv[narg], *(parm_adrs[np]));
    narg++;
  }