/usr/include/scilab/gvn/VarExp.hxx is in scilab-include 6.0.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2015 - Scilab Enterprises - Calixte DENIZET
*
* Copyright (C) 2012 - 2016 - Scilab Enterprises
*
* This file is hereby licensed under the terms of the GNU GPL v2.0,
* pursuant to article 5.3.4 of the CeCILL v.2.1.
* This file was originally licensed under the terms of the CeCILL v2.1,
* and continues to be available under such terms.
* For more information, see the COPYING file which you should have received
* along with this program.
*
*/
#ifndef __VAR_DEF_HXX__
#define __VAR_DEF_HXX__
#include <iostream>
#include <map>
#include <sstream>
#include <string>
#include <stdint.h>
namespace analysis
{
/**
* \struct VarExp
* \brief Represents a variable with an exponent
*
* This struct is mainly used in MultivariateMonomial.
*/
struct VarExp
{
uint64_t var;
// this field is mutable since it is not used in the hash computation
// and could me modified.
mutable unsigned int exp;
/**
* \brief constructor
* \param _var the var number
* \param _exp the exponent
*/
VarExp(uint64_t _var, unsigned int _exp = 1) : var(_var), exp(_exp) { }
/**
* \brief Print this VarExp
* \param vars a map containing association between var number and wstring
* \return a wstring containing the representation of this VarExp
*/
const std::wstring print(const std::map<uint64_t, std::wstring> & vars) const;
/**
* \brief Overload of the operator <<
*/
friend std::wostream & operator<<(std::wostream & out, const VarExp & ve);
/**
* \brief Overload of the operator <<
*/
inline bool operator==(const VarExp & R) const
{
return var == R.var && exp == R.exp;
}
/**
* \struct Hash
* \brief Helper struct to be used in unordered container
*/
struct Hash
{
inline std::size_t operator()(const VarExp & ve) const
{
return ve.var;
}
};
/**
* \struct Eq
* \brief Helper struct to be used in unordered container
*/
struct Eq
{
inline bool operator()(const VarExp & L, const VarExp & R) const
{
return L.var == R.var;
}
};
/**
* \struct Compare
* \brief Helper struct to be used in map or set
*/
struct Compare
{
inline bool operator()(const VarExp & L, const VarExp & R) const
{
return L.var < R.var;
}
};
};
} // namespace analysis
#endif // __VAR_DEF_HXX__
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