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Options Class Reference

#include <options.hpp>

Public Member Functions

 Options (int argc, char **argv)
 
 Options ()
 

Public Attributes

std::string programname
 
double time_limit
 
bool use_mpi
 
bool valid
 
bool write_xml
 
boost::filesystem::path jobfilename
 

Detailed Description

Definition at line 40 of file options.hpp.

Constructor & Destructor Documentation

Options::Options ( int  argc,
char **  argv 
)

Definition at line 43 of file options.cpp.

44 {
45  namespace po = boost::program_options;
46 
47  programname = std::string(argv[0]);
48  valid = true;
49  if (argc) {
50  std::string filename;
51  int dummy;
52  po::options_description desc("Allowed options");
53  desc.add_options()
54  ("help", "produce help message")
55  ("license,l", "print license conditions")
56  ("mpi", "run in parallel using MPI")
57  ("Nmax", po::value<int>(&dummy), "not used, only for backward compatibility with `dmrg`")
58  ("time-limit,T", po::value<double>(&time_limit)->default_value(0),"time limit for the simulation")
59  ("write-xml","write results to XML files")
60  ("input-file", po::value<std::string>(&filename), "input file");
61  po::positional_options_description p;
62  p.add("input-file", 1);
63 
64  po::variables_map vm;
65  po::store(po::command_line_parser(argc, argv).options(desc).positional(p).run(), vm);
66  po::notify(vm);
67 
68 
69  if (vm.count("help")) {
70  std::cout << desc << "\n";
71  valid=false;
72  }
73  if (vm.count("license")) {
74  alps::print_license(std::cout);
75  valid=false;
76  }
77  if (!valid)
78  return;
79 
80  if (vm.count("mpi")) {
81  use_mpi = true;
82  }
83 
84  if (vm.count("write-xml"))
85  write_xml = true;
86 
87  if (!filename.empty())
88  jobfilename=boost::filesystem::path(filename);
89  else
90  boost::throw_exception(std::runtime_error("No job file specified"));
91  }
92 }
void run(std::string const &chkp1, std::string const &chkp2)
Definition: main.cpp:52
boost::filesystem::path jobfilename
Definition: options.hpp:48
double time_limit
Definition: options.hpp:44
bool valid
Definition: options.hpp:46
bool use_mpi
Definition: options.hpp:45
bool write_xml
Definition: options.hpp:47
std::string programname
Definition: options.hpp:43
Options::Options ( )

Definition at line 35 of file options.cpp.

36 :
37 time_limit(0.),
38 use_mpi(false),
39 valid(false), // shall we really run?
40 write_xml(false)
41 { }
double time_limit
Definition: options.hpp:44
bool valid
Definition: options.hpp:46
bool use_mpi
Definition: options.hpp:45
bool write_xml
Definition: options.hpp:47

Member Data Documentation

boost::filesystem::path Options::jobfilename

Definition at line 48 of file options.hpp.

std::string Options::programname

Definition at line 43 of file options.hpp.

double Options::time_limit

Definition at line 44 of file options.hpp.

bool Options::use_mpi

Definition at line 45 of file options.hpp.

bool Options::valid

Definition at line 46 of file options.hpp.

bool Options::write_xml

Definition at line 47 of file options.hpp.


The documentation for this class was generated from the following files: