arg_history_size.hpp

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#ifndef STAN__GM__ARGUMENTS__HISTORY_SIZE__HPP
#define STAN__GM__ARGUMENTS__HISTORY_SIZE__HPP

#include <stan/gm/arguments/singleton_argument.hpp>

namespace stan {
  
  namespace gm {
    
    class arg_history_size: public int_argument {
      
    public:
      
      arg_history_size(): int_argument() {
        _name = "history_size";
        _description = "Amount of history to keep for L-BFGS";
        _validity = "0 < history_size";
        _default = "5";
        _default_value = 5;
        _constrained = true;
        _good_value = 2;
        _bad_value = -1;
        _value = _default_value;
      };
      
      bool is_valid(int value) { return value > 0; }
      
    };
    
  } // gm
  
} // stan

#endif