/** @file pgcd.h
*
* Interface to GCD functions for polynomials over prime fields. */
/*
* GiNaC Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, Germany
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef GINAC_CHINREM_GCD_PGCD_H
#define GINAC_CHINREM_GCD_PGCD_H
#include "ex.h"
namespace GiNaC {
/// Exception to be thrown when modular GCD algorithm fails
struct pgcd_failed
{
virtual ~pgcd_failed() { }
};
/**
* @brief Compute the GCD of two polynomials over a prime field Z_p
*
* @param vars variables
* @param p designates the coefficient field Z_p
* @param A polynomial \in Z_p[vars]
* @param B second polynomial \in Z_p[vars]
*/
extern ex
pgcd(const ex& A, const ex& B, const exvector& vars, const long p);
} // namespace GiNaC
#endif // ndef GINAC_CHINREM_GCD_PGCD_H