dust3d/thirdparty/cgal/CGAL-4.13/include/CGAL/Counted_number.h

858 lines
26 KiB
C++
Executable File

// Copyright (c) 2001,2007
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org); 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 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0+
//
//
// Author(s) : Geert-Jan Giezeman,
// Michael Hemmer <hemmer@mpi-inf.mpg.de>
#ifndef CGAL_COUNTED_NUMBER_H
#define CGAL_COUNTED_NUMBER_H
#include <CGAL/number_type_basic.h>
#include <CGAL/atomic.h>
#include <CGAL/boost/iterator/transform_iterator.hpp> // for Root_of_selector
#include <iostream>
namespace CGAL {
template <class NT>
class Counted_number {
#ifdef CGAL_NO_ATOMIC
static unsigned long
#else
static CGAL::cpp11::atomic<unsigned long>
#endif
s_neg_count, s_add_count, s_sub_count,
s_mul_count, s_div_count,
s_eq_count, s_comp_count,
s_simplify_count,
s_unit_part_count,
s_is_zero_count,
s_is_one_count,
s_square_count,
s_integral_division_count,
s_is_square_count,
s_sqrt_count,
s_kth_root_count,
s_root_of_count,
s_gcd_count,
s_div_mod_count,
s_mod_count;
NT m_rep;
public:
typedef NT Rep_type;
static void reset()
{ s_neg_count=0; s_add_count=0; s_sub_count=0;
s_mul_count=0; s_div_count=0;
s_eq_count=0; s_comp_count = 0;
s_simplify_count = 0; s_unit_part_count = 0; s_is_zero_count = 0;
s_is_one_count = 0; s_square_count = 0;
s_integral_division_count = 0; s_is_square_count = 0;
s_sqrt_count = 0; s_kth_root_count = 0; s_root_of_count = 0;
s_gcd_count = 0; s_div_mod_count = 0; s_mod_count = 0;
}
static void inc_neg_count() {++s_neg_count;}
static void inc_add_count() {++s_add_count;}
static void inc_sub_count() {++s_sub_count;}
static void inc_mul_count() {++s_mul_count;}
static void inc_div_count() {++s_div_count;}
static void inc_eq_count() {++s_eq_count;}
static void inc_comp_count() {++s_comp_count;}
static void inc_simplify_count() {++s_simplify_count;}
static void inc_unit_part_count() {++s_unit_part_count;}
static void inc_is_zero_count() {++s_is_zero_count;}
static void inc_is_one_count() {++s_is_one_count;}
static void inc_square_count() {++s_square_count;}
static void inc_integral_division_count() {++s_integral_division_count;}
static void inc_is_square_count() {++s_is_square_count;}
static void inc_sqrt_count() {++s_sqrt_count;}
static void inc_kth_root_count() {++s_kth_root_count;}
static void inc_root_of_count() {++s_root_of_count;}
static void inc_gcd_count() {++s_gcd_count;}
static void inc_div_mod_count() {++s_div_mod_count;}
static void inc_mod_count() {++s_mod_count;}
static unsigned long neg_count() {return s_neg_count;}
static unsigned long add_count() {return s_add_count;}
static unsigned long sub_count() {return s_sub_count;}
static unsigned long mul_count() {return s_mul_count;}
static unsigned long div_count() {return s_div_count;}
static unsigned long eq_count() {return s_eq_count;}
static unsigned long comp_count() {return s_comp_count;}
static unsigned long simplify_count() {return s_simplify_count;}
static unsigned long unit_part_count() {return s_unit_part_count;}
static unsigned long is_zero_count() {return s_is_zero_count;}
static unsigned long is_one_count() {return s_is_one_count;}
static unsigned long square_count() {return s_square_count;}
static unsigned long integral_division_count() {
return s_integral_division_count;
}
static unsigned long is_square_count() {return s_is_square_count;}
static unsigned long sqrt_count() {return s_sqrt_count;}
static unsigned long kth_root_count() {return s_kth_root_count;}
static unsigned long root_of_count() {return s_root_of_count;}
static unsigned long gcd_count() {return s_gcd_count;}
static unsigned long div_mod_count() {return s_div_mod_count;}
static unsigned long mod_count() {return s_mod_count;}
static unsigned long count()
{ return s_neg_count + s_add_count + s_sub_count +
s_mul_count + s_div_count +
s_eq_count + s_comp_count +
s_simplify_count + s_unit_part_count + s_is_zero_count +
s_is_one_count + s_square_count +
s_integral_division_count + s_is_square_count +
s_sqrt_count + s_kth_root_count + s_root_of_count +
s_gcd_count + s_div_mod_count + s_mod_count;
}
static void report(std::ostream &os);
NT rep() const {return m_rep;}
Counted_number() {}
//explicit Counted_number(int n) :m_rep(n){}
explicit Counted_number(NT n) :m_rep(n){}
Counted_number operator-() const
{inc_neg_count();return Counted_number(-m_rep);}
Counted_number const & operator+=(Counted_number const &n)
{
inc_add_count();
m_rep += n.m_rep;
return *this;}
Counted_number const & operator-=(Counted_number const &n)
{inc_sub_count(); m_rep -= n.m_rep; return *this;}
Counted_number const & operator*=(Counted_number const &n)
{inc_mul_count(); m_rep *= n.m_rep; return *this;}
Counted_number const & operator/=(Counted_number const &n)
{inc_div_count(); m_rep /= n.m_rep; return *this;}
// Counted operations
void simplify() {
inc_simplify_count();
CGAL_NTS simplify( m_rep );
}
Counted_number unit_part() const {
inc_unit_part_count();
return Counted_number( CGAL_NTS unit_part( rep() ) );
}
bool is_zero() const {
inc_is_zero_count();
return CGAL_NTS is_zero( rep() );
}
bool is_one() const {
inc_is_one_count();
return CGAL_NTS is_one( rep() );
}
Counted_number square() const {
inc_square_count();
return Counted_number( CGAL_NTS square( rep() ) );
}
Counted_number integral_division( const Counted_number& n ) const {
inc_integral_division_count();
return Counted_number( CGAL_NTS integral_division( rep(), n.rep() ) );
}
bool is_square( Counted_number& result ) const {
inc_is_square_count();
NT result_as_nt;
bool is_integral = CGAL_NTS is_square( rep(), result_as_nt );
result = Counted_number( result_as_nt );
return is_integral;
}
Counted_number sqrt() const {
inc_sqrt_count();
return Counted_number( CGAL_NTS sqrt( rep() ) );
}
Counted_number kth_root( int k ) const {
inc_kth_root_count();
return Counted_number( CGAL_NTS kth_root( k, rep() ) );
}
Counted_number gcd( const Counted_number& n ) const {
inc_gcd_count();
return Counted_number( CGAL_NTS gcd( rep(), n.rep() ) );
}
Counted_number div( const Counted_number& n ) const {
inc_div_count();
return Counted_number( CGAL_NTS div( rep(), n.rep() ) );
}
Counted_number mod( const Counted_number& n ) const {
inc_mod_count();
return Counted_number( CGAL_NTS mod( rep(), n.rep() ) );
}
void div_mod( const Counted_number& n, Counted_number& q,
Counted_number& r ) const {
inc_div_mod_count();
NT q_as_nt, r_as_nt;
CGAL_NTS div_mod( rep(), n.rep(), q_as_nt, r_as_nt );
q = Counted_number( q_as_nt );
r = Counted_number( r_as_nt );
}
// Other operations
inline double to_double() const {
return CGAL_NTS to_double( rep() );
}
inline std::pair<double, double> to_interval() const {
return CGAL_NTS to_interval( rep() );
}
};
#ifdef CGAL_NO_ATOMIC
template <class NT>
unsigned long Counted_number<NT>::s_neg_count=0;
template <class NT>
unsigned long Counted_number<NT>::s_add_count=0;
template <class NT>
unsigned long Counted_number<NT>::s_sub_count=0;
template <class NT>
unsigned long Counted_number<NT>::s_mul_count=0;
template <class NT>
unsigned long Counted_number<NT>::s_div_count=0;
template <class NT>
unsigned long Counted_number<NT>::s_eq_count=0;
template <class NT>
unsigned long Counted_number<NT>::s_comp_count=0;
template< class NT >
unsigned long Counted_number<NT>::s_simplify_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_unit_part_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_is_zero_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_is_one_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_square_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_integral_division_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_is_square_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_sqrt_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_kth_root_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_root_of_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_gcd_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_div_mod_count = 0;
template< class NT >
unsigned long Counted_number<NT>::s_mod_count = 0;
#else
template <class NT>
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_neg_count;
template <class NT>
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_add_count;
template <class NT>
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_sub_count;
template <class NT>
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_mul_count;
template <class NT>
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_div_count;
template <class NT>
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_eq_count;
template <class NT>
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_comp_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_simplify_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_unit_part_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_is_zero_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_is_one_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_square_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_integral_division_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_is_square_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_sqrt_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_kth_root_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_root_of_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_gcd_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_div_mod_count;
template< class NT >
CGAL::cpp11::atomic<unsigned long> Counted_number<NT>::s_mod_count;
#endif
//unary +
template <class NT> Counted_number<NT>
operator + (const Counted_number<NT>& n1){
return n1;
}
template <class NT>
Counted_number<NT>
operator+(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_add_count();
return Counted_number<NT>(n1.rep() + n2.rep());
}
template <class NT>
Counted_number<NT>
operator-(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_sub_count();
return Counted_number<NT>(n1.rep() - n2.rep());
}
template <class NT>
Counted_number<NT>
operator*(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_mul_count();
return Counted_number<NT>(n1.rep() * n2.rep());
}
template <class NT>
Counted_number<NT>
operator/(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_div_count();
return Counted_number<NT>(n1.rep() / n2.rep());
}
template< class NT >
Counted_number<NT>
operator%( const Counted_number<NT>& x, const Counted_number<NT>& y ) {
Counted_number<NT>::inc_mod_count();
return Counted_number<NT>( x.rep() % y.rep() );
}
template <class NT>
bool
operator==(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_eq_count();
return (n1.rep() == n2.rep());
}
template <class NT>
bool
operator!=(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_eq_count();
return (n1.rep() != n2.rep());
}
template <class NT>
bool
operator<(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_comp_count();
return (n1.rep() < n2.rep());
}
template <class NT>
bool
operator>(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_comp_count();
return (n1.rep() > n2.rep());
}
template <class NT>
bool
operator<=(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_comp_count();
return (n1.rep() <= n2.rep());
}
template <class NT>
bool
operator>=(Counted_number<NT> const &n1, Counted_number<NT> const &n2)
{
Counted_number<NT>::inc_comp_count();
return (n1.rep() >= n2.rep());
}
template <class NT>
class Is_valid< Counted_number<NT> >
: public CGAL::cpp98::unary_function< Counted_number<NT>, bool > {
public:
bool operator()( const Counted_number<NT>& x ) {
return is_valid( x.rep() );
}
};
template <class NT>
void Counted_number<NT>::report(std::ostream &os)
{
os << count() << " operations\n";
if (neg_count() > 0)
os << " " << neg_count() << " negations\n";
if (add_count() > 0)
os << " " << add_count() << " additions\n";
if (sub_count() > 0)
os << " " << sub_count() << " subtractions\n";
if (mul_count() > 0)
os << " " << mul_count() << " multiplications\n";
if (div_count() > 0)
os << " " << div_count() << " divisions\n";
if (eq_count() > 0)
os << " " << eq_count() << " equality tests\n";
if (comp_count() > 0)
os << " " << comp_count() << " comparisons\n";
if (simplify_count() > 0)
os << " " << simplify_count() << " simplify-calls\n";
if (unit_part_count() > 0)
os << " " << unit_part_count() << " unit_part-calls\n";
if (is_zero_count() > 0)
os << " " << is_zero_count() << " is_zero-calls\n";
if (is_one_count() > 0)
os << " " << is_one_count() << " is_one-calls\n";
if (square_count() > 0)
os << " " << square_count() << " square-calls\n";
if (integral_division_count() > 0)
os << " " << integral_division_count() << " integral_division-calls\n";
if (is_square_count() > 0)
os << " " << is_square_count() << " is_square-calls\n";
if (kth_root_count() > 0)
os << " " << kth_root_count() << " kth_root-calls\n";
if (root_of_count() > 0)
os << " " << root_of_count() << " root_of-calls\n";
if (gcd_count() > 0)
os << " " << gcd_count() << " gcd-calls\n";
if (div_mod_count() > 0)
os << " " << div_mod_count() << " div_mod-calls\n";
if (mod_count() > 0)
os << " " << mod_count() << " mod-calls\n";
}
template <class NT>
std::ostream& operator<<(std::ostream &os, Counted_number<NT> const &n)
{
return os << ::CGAL::oformat( n.rep() )<< std::endl;
}
template <class NT>
std::istream& operator>>(std::istream &is, Counted_number<NT> &n)
{
NT num;
is >> ::CGAL::iformat(num);
if (is) n = Counted_number<NT>(num);
return is;
}
namespace INTERN_COUNTED_NUMBER{
template< class NT, class Functor >
struct Simplify_selector {
struct Simplify : public CGAL::cpp98::unary_function<NT&, void> {
void operator()( NT& x ) const {
x.simplify();
}
};
};
template< class NT >
struct Simplify_selector< NT, Null_functor > {
typedef Null_functor Simplify;
};
template< class NT, class Functor >
struct Unit_part_selector {
struct Unit_part : public CGAL::cpp98::unary_function<NT, NT > {
NT operator()( const NT& x ) const {
return x.unit_part();
}
};
};
template< class NT >
struct Unit_part_selector< NT, Null_functor > {
typedef Null_functor Unit_part;
};
template< class NT, class Functor >
struct Is_zero_selector {
struct Is_zero : public CGAL::cpp98::unary_function<NT, bool > {
bool operator()( const NT& x ) const {
return x.is_zero();
}
};
};
template< class NT >
struct Is_zero_selector< NT, Null_functor > {
typedef Null_functor Is_zero;
};
template< class NT, class Functor >
struct Is_one_selector {
struct Is_one : public CGAL::cpp98::unary_function<NT, bool > {
bool operator()( const NT& x ) const {
return x.is_one();
}
};
};
template< class NT >
struct Is_one_selector< NT, Null_functor > {
typedef Null_functor Is_one;
};
template< class NT, class Functor >
struct Square_selector {
struct Square : public CGAL::cpp98::unary_function<NT, NT > {
NT operator()( const NT& x ) const {
return x.square();
}
};
};
template< class NT >
struct Square_selector< NT, Null_functor > {
typedef Null_functor Square;
};
template< class NT, class Functor >
struct Integral_division_selector {
struct Integral_division : public CGAL::cpp98::binary_function<NT, NT, NT > {
NT operator()( const NT& x, const NT& y ) const {
return x.integral_division( y );
}
};
};
template< class NT >
struct Integral_division_selector< NT, Null_functor > {
typedef Null_functor Integral_division;
};
template< class NT, class Functor >
struct Is_square_selector {
struct Is_square : public CGAL::cpp98::binary_function<NT, NT&, bool > {
bool operator()( const NT& x, NT& y ) const {
return x.is_square( y );
}
bool operator()( const NT& x) const {
NT y;
return x.is_square( y );
}
};
};
template< class NT >
struct Is_square_selector< NT, Null_functor > {
typedef Null_functor Is_square;
};
template <class NT, class AlgebraicStructureTag>
struct Sqrt_selector{
struct Sqrt : public CGAL::cpp98::unary_function<NT,NT> {
NT operator ()(const NT& x) const {
return x.sqrt();
}
};
};
template <class NT>
struct Sqrt_selector<NT,Null_functor> {
typedef Null_functor Sqrt;
};
template< class NT, class Functor >
struct Kth_root_selector {
struct Kth_root : public CGAL::cpp98::binary_function<int, NT, NT > {
NT operator()( int k, const NT& x ) const {
return x.kth_root( k );
}
};
};
template< class NT >
struct Kth_root_selector< NT, Null_functor > {
typedef Null_functor Kth_root;
};
template< class NT, class Functor >
struct Root_of_selector {
private:
typedef typename NT::Rep_type Rep_type;
struct Cast{
typedef Rep_type result_type;
result_type operator()(const NT& counted_number) const {
return counted_number.rep();
}
};
public:
struct Root_of {
// typedef typename Functor::Boundary Boundary;
typedef NT result_type;
template< class Input_iterator >
NT operator()( int k, Input_iterator begin, Input_iterator end ) const {
NT::inc_root_of_count();
Cast cast;
return NT( Functor()( k,
::boost::make_transform_iterator( begin, cast ),
::boost::make_transform_iterator( end, cast ) ) );
}
// TODO: Why are the arguments not const-ref?
/* template< class Input_iterator >
NT operator()( Boundary lower, Boundary upper,
Input_iterator begin, Input_iterator end ) const {
NT::inc_root_of_count();
Cast cast;
return NT( Functor()( lower, upper,
::boost::make_transform_iterator( begin, cast ),
::boost::make_transform_iterator( end, cast ) ) );
}*/
};
};
template< class NT >
struct Root_of_selector< NT, Null_functor > {
typedef Null_functor Root_of;
};
template< class NT, class Functor >
struct Gcd_selector {
struct Gcd : public CGAL::cpp98::binary_function<NT, NT, NT > {
NT operator()( const NT& x, const NT& y ) const {
return x.gcd( y );
}
};
};
template< class NT >
struct Gcd_selector< NT, Null_functor > {
typedef Null_functor Gcd;
};
template< class NT, class Functor >
struct Div_selector {
struct Div : public CGAL::cpp98::binary_function<NT, NT, NT > {
NT operator()( const NT& x, const NT& y ) const {
return x.div( y );
}
};
};
template< class NT >
struct Div_selector< NT, Null_functor > {
typedef Null_functor Div;
};
template< class NT, class Functor >
struct Mod_selector {
struct Mod : public CGAL::cpp98::binary_function<NT, NT, NT > {
NT operator()( const NT& x, const NT& y ) const {
return x.mod( y );
}
};
};
template< class NT >
struct Mod_selector< NT, Null_functor > {
typedef Null_functor Mod;
};
template< class NT, class Functor >
struct Div_mod_selector {
struct Div_mod {
typedef void result_type;
typedef NT first_argument_type;
typedef NT second_argument_type;
typedef NT& third_argument_type;
typedef NT& fourth_argument_type;
void operator()( const NT& x, const NT& y, NT& q, NT& r ) const {
x.div_mod( y, q, r );
}
};
};
template< class NT >
struct Div_mod_selector< NT, Null_functor >{
typedef Null_functor Div_mod;
};
} // end namespace INTERN_COUNTED_NUMBER
template <class NT>
class Algebraic_structure_traits<Counted_number<NT> >
:public Algebraic_structure_traits_base
<Counted_number<NT>,
typename Algebraic_structure_traits<NT>::Algebraic_category >
{
private:
typedef Algebraic_structure_traits<NT> AST_NT;
typedef typename AST_NT::Algebraic_category NT_as_tag;
public:
typedef typename Algebraic_structure_traits<NT>::Is_exact Is_exact;
typedef typename AST_NT::Is_numerical_sensitive Is_numerical_sensitive;
typedef typename INTERN_COUNTED_NUMBER::Simplify_selector
<Counted_number<NT>, typename AST_NT::Simplify > ::Simplify Simplify;
typedef typename INTERN_COUNTED_NUMBER::Unit_part_selector
<Counted_number<NT>, typename AST_NT::Unit_part > ::Unit_part Unit_part;
typedef typename INTERN_COUNTED_NUMBER::Is_zero_selector
<Counted_number<NT>, typename AST_NT::Is_zero > ::Is_zero Is_zero;
typedef typename INTERN_COUNTED_NUMBER::Is_one_selector
<Counted_number<NT>, typename AST_NT::Is_one > ::Is_one Is_one;
typedef typename INTERN_COUNTED_NUMBER::Square_selector
<Counted_number<NT>, typename AST_NT::Square > ::Square Square;
typedef typename INTERN_COUNTED_NUMBER::Integral_division_selector
<Counted_number<NT>, typename AST_NT::Integral_division> ::Integral_division Integral_division;
typedef typename INTERN_COUNTED_NUMBER::Is_square_selector
<Counted_number<NT>, typename AST_NT::Is_square > ::Is_square Is_square;
typedef typename INTERN_COUNTED_NUMBER::Sqrt_selector
<Counted_number<NT>, typename AST_NT::Sqrt> ::Sqrt Sqrt;
typedef typename INTERN_COUNTED_NUMBER::Kth_root_selector
<Counted_number<NT>, typename AST_NT::Kth_root > ::Kth_root Kth_root;
typedef typename INTERN_COUNTED_NUMBER::Root_of_selector
<Counted_number<NT>, typename AST_NT::Root_of > ::Root_of Root_of;
typedef typename INTERN_COUNTED_NUMBER::Gcd_selector
<Counted_number<NT>, typename AST_NT::Gcd > ::Gcd Gcd;
typedef typename INTERN_COUNTED_NUMBER::Div_selector
<Counted_number<NT>, typename AST_NT::Div > ::Div Div;
typedef typename INTERN_COUNTED_NUMBER::Mod_selector
<Counted_number<NT>, typename AST_NT::Mod > ::Mod Mod;
typedef typename INTERN_COUNTED_NUMBER::Div_mod_selector
<Counted_number<NT>, typename AST_NT::Div_mod > ::Div_mod Div_mod;
};
template <class NT>
class Real_embeddable_traits<Counted_number<NT> >
: public INTERN_RET::Real_embeddable_traits_base <Counted_number<NT> ,
typename Real_embeddable_traits<NT>::Is_real_embeddable >
{
typedef Real_embeddable_traits<NT> RET_NT;
public:
typedef typename INTERN_COUNTED_NUMBER::Is_zero_selector
<Counted_number<NT>, typename RET_NT::Is_zero > ::Is_zero Is_zero;
class Is_finite
: public CGAL::cpp98::unary_function< Counted_number<NT>, bool > {
public:
bool operator()( const Counted_number<NT>& x ) const {
return CGAL_NTS is_finite( x.rep() );
}
};
struct To_double : public CGAL::cpp98::unary_function< Counted_number<NT>, double > {
double operator()(const Counted_number<NT>& x) const {
return x.to_double();
}
};
struct To_interval: public CGAL::cpp98::unary_function< Counted_number<NT>, std::pair<double,double> > {
std::pair<double,double>
operator()(const Counted_number<NT>& x) const {
return x.to_interval();
}
};
};
template<typename NT> inline
Counted_number<NT> min BOOST_PREVENT_MACRO_SUBSTITUTION(
const Counted_number<NT> & x,
const Counted_number<NT> & y){
return CGAL::Min<Counted_number<NT> > ()(x,y);
}
template<typename NT> inline
Counted_number<NT> max BOOST_PREVENT_MACRO_SUBSTITUTION(
const Counted_number<NT> & x,
const Counted_number<NT> & y){
return CGAL::Max<Counted_number<NT> > ()(x,y);
}
} //namespace CGAL
#endif