mirror of https://github.com/CGAL/cgal
145 lines
6.0 KiB
C++
145 lines
6.0 KiB
C++
// Copyright (c) 2006-2010 Inria Lorraine (France). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 3 of the License,
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// or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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// Author: Luis Peñaranda <luis.penaranda@gmx.com>
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#ifndef CGAL_RS_POLYNOMIAL_1_H
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#define CGAL_RS_POLYNOMIAL_1_H
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#include <iostream>
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#include <vector>
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#include <CGAL/RS/basic.h>
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#include <CGAL/Gmpz.h>
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#include <CGAL/Gmpfr.h>
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#include <CGAL/RS/dyadic.h>
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#include <gmp.h>
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#include <mpfr.h>
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#include <mpfi.h>
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#include <boost/operators.hpp>
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#include <boost/shared_ptr.hpp>
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namespace CGAL{
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class Algebraic_1;
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class RS_polynomial_1;
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typedef boost::shared_ptr<RS_polynomial_1> polyptr;
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typedef std::pair<RS_polynomial_1,int> polypow;
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typedef std::vector<polypow> sqfrvec;
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typedef boost::shared_ptr<sqfrvec> sqfrptr;
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class RS_polynomial_1:
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boost::addable1<RS_polynomial_1,
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boost::subtractable1<RS_polynomial_1
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> >
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{
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private:
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int _capacity;
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mutable int _degree;
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mpz_t* _coef;
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mutable bool _is_sf;
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mutable polyptr _sfpart;
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mutable sqfrptr _sqfr;
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void create_storage(int);
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void free_storage();
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// fetch_gmp_functions gathers the memory functions used by
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// gmp at the object creation and stores them in _allocf,
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// _reallocf and _freef
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void *(*_allocf)(size_t);
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void *(*_reallocf)(void*,size_t,size_t);
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void (*_freef)(void*,size_t);
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void fetch_gmp_functions();
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public:
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// copy constructor and copy assignement operator
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RS_polynomial_1(const RS_polynomial_1&);
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RS_polynomial_1& operator=(const RS_polynomial_1&);
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// other constructors and destructor
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RS_polynomial_1();
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RS_polynomial_1(unsigned int);
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RS_polynomial_1(int);
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RS_polynomial_1(std::string&);
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RS_polynomial_1(mpq_srcptr);
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RS_polynomial_1(mpz_t**,int);
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~RS_polynomial_1();
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// member functions
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void set_degree(int);
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void force_degree(int);
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int resize(int);
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void set_coef(int,mpz_srcptr);
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void set_coef(int,const CGAL::Gmpz&);
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void set_coef_ui(int,unsigned long);
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void set_coef_si(int,long);
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int get_degree()const;
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int get_degree_static()const;
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bool has_sfpart()const;
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const RS_polynomial_1& sfpart()const;
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void set_sfpart(RS_polynomial_1*)const;
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void set_sfpart(const polyptr&)const;
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void set_sf()const;
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bool has_sqfr()const;
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sqfrvec& sqfr()const;
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void set_sqfr(sqfrvec*)const;
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void set_sqfr(const sqfrptr&)const;
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mpz_ptr leading_coefficient()const;
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int first_non_zero()const;
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mpz_t* get_coefs()const;
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mpz_ptr coef(int)const;
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RS_polynomial_1& derive()const;
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RS_polynomial_1& minusx()const;
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void get_lower_bound(mpfr_ptr)const;
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void get_upper_bound(mpfr_ptr)const;
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RS_polynomial_1 times_monomial(mpz_srcptr,int)const;
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// member evaluation and sign functions
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void eval_dyadic(CGALRS_dyadic_ptr,CGALRS_dyadic_srcptr)const;
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void eval_mpfr(mpfr_ptr,mpfr_srcptr)const;
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void inexact_eval_mpfr(mpfr_ptr,mpfr_srcptr)const;
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void eval_mpfi(mpfi_ptr,mpfi_srcptr)const;
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Sign sign_dyadic(CGALRS_dyadic_srcptr)const;
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Sign sign_mpfr(mpfr_srcptr)const;
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RS::rs_sign sign_mpfi(mpfi_srcptr)const;
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double operator()(double)const;
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CGAL::Gmpz operator()(int)const;
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RS_polynomial_1 operator-()const;
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RS_polynomial_1& operator+=(const RS_polynomial_1&);
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RS_polynomial_1& operator-=(const RS_polynomial_1&);
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RS_polynomial_1 operator*(const RS_polynomial_1&)const;
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RS_polynomial_1& operator*=(const RS_polynomial_1&);
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RS_polynomial_1& operator*=(mpz_srcptr);
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RS_polynomial_1& operator*=(const CGAL::Gmpz &);
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// division is always assumed to be exact in this class
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RS_polynomial_1& operator/=(mpz_srcptr);
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RS_polynomial_1& operator/=(const CGAL::Gmpz&);
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bool operator==(const RS_polynomial_1&)const;
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// template members, including constructor
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template<class InputIt>RS_polynomial_1(InputIt,InputIt);
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template<class T>T operator()(const T&)const;
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template<class T>Sign sign_at(const T&)const;
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template<class T>RS_polynomial_1 operator*(const T&)const;
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template<class T>RS_polynomial_1& operator*=(const T&);
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template<class T>RS_polynomial_1& operator/=(const T&);
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template<class T>RS_polynomial_1 operator/(const T&)const;
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};
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} // namespace CGAL
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#include <CGAL/RS/polynomial_1_constructors.h>
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#include <CGAL/RS/polynomial_1_eval.h>
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#include <CGAL/RS/polynomial_1_member.h>
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#include <CGAL/RS/polynomial_1_operators.h>
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#include <CGAL/RS/polynomial_1_impl.h>
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#include <CGAL/RS/polynomial_1_io.h>
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#endif // CGAL_GRBS_POLYNOMIAL_1_H
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