/usr/include/linbox/ring/local-pir-modular.h is in liblinbox-dev 1.4.2-5build1.
This file is owned by root:root, with mode 0o644.
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*
*
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
#ifndef __LINBOX_local_pir_modular_H
#define __LINBOX_local_pir_modular_H
#include <string>
#include <givaro/modular.h>
#include <givaro/givpower.h>
#include "linbox/field/field-traits.h"
// Namespace in which all LinBox code resides
namespace LinBox
{
template <typename intType>
class LocalPIRModular;
template <typename intType>
struct ClassifyRing<LocalPIRModular<intType> > {
typedef RingCategories::ModularTag categoryTag;
};
/// \ingroup ring
template <typename intType>
class LocalPIRModular : public Givaro::Modular<intType> {
public:
using Parent_t = Givaro::Modular<intType>;
using typename Givaro::Modular<intType>::Element;
//typedef typename Givaro::Modular<intType>::Element Element;
using typename Givaro::Modular<intType>::RandIter;
//No default cstor
LocalPIRModular (intType value, uint32_t exp = 1) :
Givaro::Modular<intType>(Givaro::power(value, exp)),
_irred(value),
_exponent(exp)
{}
~LocalPIRModular() noexcept {};
using Parent_t:: zero;
using Parent_t:: one;
using Parent_t:: mOne;
using Parent_t:: minElement;
using Parent_t:: maxElement;
using Parent_t:: characteristic;
using Parent_t:: cardinality;
using Parent_t:: maxCardinality;
using Parent_t:: minCardinality;
// ----- Checkers
using Parent_t:: isZero;
using Parent_t:: isOne ;
using Parent_t:: isMOne;
using Parent_t:: areEqual;
using Parent_t:: length;
// ----- Ring-wise operators
using Parent_t:: operator==;
using Parent_t:: operator!=;
using Parent_t:: operator=;
// ----- Initialisation
using Parent_t:: init ;
using Parent_t:: assign ;
using Parent_t:: convert;
using Parent_t:: reduce ;
using Parent_t:: mul;
using Parent_t:: div;
using Parent_t:: add;
using Parent_t:: sub;
using Parent_t:: neg;
using Parent_t:: inv;
using Parent_t:: mulin;
using Parent_t:: divin;
using Parent_t:: addin;
using Parent_t:: subin;
using Parent_t:: negin;
using Parent_t:: invin;
using Parent_t:: axpy ;
using Parent_t:: axpyin;
using Parent_t:: axmy;
using Parent_t:: axmyin;
using Parent_t:: maxpy;
using Parent_t:: maxpyin;
// ----- Random generators
using typename Parent_t:: NonZeroRandIter;
using Parent_t:: random;
using Parent_t:: nonzerorandom;
// --- IO methods
using Parent_t:: read ;
using Parent_t:: write;
std::istream& read (std::istream& is)
{ std::string s; return Parent_t::read(is >> s)>> s >> _irred >> s >> _exponent; }
std::ostream& write(std::ostream& os) const
{ return Parent_t::write(os<<"Local- ") << "irred: " << _irred << ", exponent: " << _exponent; }
Element& gcdin (Element& a, const Element& b) const
{
Givaro::gcd(a, a, b);
Givaro::gcd(a, a, Parent_t::residu());
return reduce(a);
}
bool isUnit(const Element& a) const
{
Element g;
Givaro::gcd(g, a, _irred);
return isOne(g);
}
protected:
intType _irred;
uint32_t _exponent;
};
}
#endif //__LINBOX_local_pir_modular_H
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