/** @file factor.h
*
* Polynomial factorization. */
/*
* GiNaC Copyright (C) 1999-2011 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_FACTOR_H
#define GINAC_FACTOR_H
namespace GiNaC {
class ex;
/** Factorizes univariate and multivariate polynomials.
*
* The default option is factor_options::polynomial, which means that factor()
* will only factorize an expression if it is a proper polynomial (i.e. the
* flag info_flags::polynomial is set). Given the option factor_options::all,
* factor() will factorize all subexpressions, e.g. polynomials containing
* functions or polynomials inside function arguments.
*
* @param[in] poly expression to factorize
* @param[in] option options to influence the factorization
* @return factorized expression
*/
extern ex factor(const ex& poly, unsigned options = 0);
} // namespace GiNaC
#endif // ndef GINAC_FACTOR_H