GTools.hpp
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/***************************************************************************
* GTools.hpp - GammaLib tools *
* ----------------------------------------------------------------------- *
* copyright (C) 2008-2013 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* This program 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. *
* *
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file GTools.hpp
* @brief Gammalib tools definition
* @author Juergen Knoedlseder
*/
#ifndef GTOOLS_HPP
#define GTOOLS_HPP
/* __ Includes ___________________________________________________________ */
#include <vector>
#include <string>
#include <cmath>
#include <cfloat>
/* __ Constants __________________________________________________________ */
namespace gammalib {
const double MeV2erg = 1.6021765e-6;
const double erg2MeV = 624150.96;
const double pc2cm = 3.08568025e18;
const double sec_in_day = 86400.0;
}
/* __ Prototypes ________________________________________________________ */
namespace gammalib {
std::string strip_whitespace(const std::string& arg);
std::string strip_chars(const std::string& arg,
const std::string& chars);
std::string expand_env(const std::string& arg);
std::string str(const unsigned short int& value);
std::string str(const unsigned int& value);
std::string str(const unsigned long int& value);
std::string str(const unsigned long long int& value);
std::string str(const short int& value);
std::string str(const int& value);
std::string str(const long int& value);
std::string str(const long long int& value);
std::string str(const float& value);
std::string str(const double& value);
char* tochar(const std::string& arg);
short toshort(const std::string& arg);
unsigned short toushort(const std::string& arg);
int toint(const std::string& arg);
unsigned int touint(const std::string& arg);
long tolong(const std::string& arg);
unsigned long toulong(const std::string& arg);
long long tolonglong(const std::string& arg);
unsigned long long toulonglong(const std::string& arg);
float tofloat(const std::string& arg);
double todouble(const std::string& arg);
std::string toupper(const std::string& s);
std::string tolower(const std::string& s);
std::vector<std::string> split(const std::string& s, const std::string& sep);
std::string fill(const std::string& s, const int& n);
std::string left(const std::string& s, const int& n,
const char& c = ' ');
std::string right(const std::string& s, const int& n,
const char& c = ' ');
std::string centre(const std::string& s, const int& n,
const char& c = ' ');
std::string parformat(const std::string& s, const int& indent = 0);
double plaw_photon_flux(const double& emin,
const double& emax,
const double& epivot,
const double& gamma);
double plaw_energy_flux(const double& emin,
const double& emax,
const double& epivot,
const double& gamma);
bool file_exists(const std::string& filename);
bool is_infinite(const double& x);
bool is_notanumber(const double& x);
bool contains(const std::string& str,
const std::string& substring);
void warning(const std::string& origin,
const std::string& message);
}
/***********************************************************************//**
* @brief Signal if argument is infinite
*
* @param[in] x Argument.
* @return True if argument @p x is infinite, false otherwise.
*
* Signals if the argument @p x is infinite.
*
* This function has been copied from gnulib.
***************************************************************************/
inline
bool gammalib::is_infinite(const double& x)
{
return (x < -DBL_MAX || x > DBL_MAX);
}
/***********************************************************************//**
* @brief Signal if argument is not a number
*
* @param[in] x Argument.
* @return True if argument @p x is not a number, false otherwise.
*
* Signals if the argument @p x is not a number.
*
* This function is a very simple kludge. It may not work on all systems.
***************************************************************************/
inline
bool gammalib::is_notanumber(const double& x)
{
return (x != x);
}
#endif /* GTOOLS_HPP */