GyotoUtils.h

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/*
    Copyright 2011, 2016 Thibaut Paumard
 
    This file is part of Gyoto.
 
    Gyoto is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Gyoto is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with Gyoto.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __GyotoUtils_H_ 
#define __GyotoUtils_H_ 
 
#include "GyotoDefs.h"
 
#include <string>
#include <vector>
 
namespace Gyoto {
 
  void debug(int mode);
  
 
  int debug();
 
 
  void verbose(int mode);
  
 
  int verbose();
  
 
  void convert(double * const x, const std::size_t nelem,
               const double mass_sun, const double distance_kpc,
               const std::string unit);
  
 
  double atof(const char * str);
 
 
  void help(std::string class_name);
 
  std::vector<std::string> split(std::string const &src, std::string const &delim);
 
  /*
    boost Bessel function as implemented in
    #include <boost/math/special_functions/bessel.hpp> 
    are 50% longer than the following, while the following
    give results accurate at ~1e-6 which is more than enough.
   */
  double bessi0(double xx);
  double bessi1(double xx);
  double bessk0(double xx);
  double bessk1(double xx);
  double bessk(int nn, double xx);
 
  double hypergeom (double kappaIndex, double thetae); 
}
 
#endif