$
// SPDX-License-Identifier: LGPL-3.0+
//
// Author(s)     : Marc Glisse

#ifndef CGAL_ITERATOR_FROM_INDICES_H
#define CGAL_ITERATOR_FROM_INDICES_H
#include <CGAL/config.h>
#include <boost/iterator/iterator_facade.hpp>
namespace CGAL {
template <class Ref_>
struct Default_coordinate_access {
	typedef Ref_ result_type;
	template<class T> Ref_ operator()(T const& t, std::ptrdiff_t i)const{
		return t[i];
	}
};

//TODO: default type for Value_: typename same_cv<Container_,typename remove_cv<Container_>::type::value_type>::type
template <class Container_, class Value_, class Ref_=
#ifdef CGAL_CXX11
	decltype(std::declval<Container_>()[0])
#else
	Value_&
#endif
	, class Coord_access = Default_coordinate_access<Ref_>
	>
class Iterator_from_indices
: public boost::iterator_facade<Iterator_from_indices<Container_,Value_,Ref_,Coord_access>,
	Value_, std::bidirectional_iterator_tag, Ref_>
{
	friend class boost::iterator_core_access;
	//FIXME: use int to save space
	//TODO: use a tuple to save space when Coord_access is empty
	typedef std::ptrdiff_t index_t;
	Container_* cont;
	index_t index;
	Coord_access ca;
	void increment(){ ++index; }
	void decrement(){ --index; }
	void advance(std::ptrdiff_t n){ index+=n; }
	ptrdiff_t distance_to(Iterator_from_indices const& other)const{
		return other.index-index;
	}
	bool equal(Iterator_from_indices const& other)const{
		return index==other.index;
	}
	Ref_ dereference()const{
		//FIXME: use the functor properly
		//Uh, and what did I mean by that?
		return ca
$ 
 // SPDX - License - Identifier: LGPL-3.0 + 
 // 
 // Author(s)     : Marc Glisse 

 # ifndef CGAL_ITERATOR_FROM_INDICES_H 
 # define CGAL_ITERATOR_FROM_INDICES_H 
 # include < CGAL / config.h > 
 # include < boost / iterator / iterator_facade.hpp > 
 namespace CGAL { 
 template < course Ref _ > 
 struct Default_coordinate_access { 
	 typedef Ref _ result_type; 
	 template < course T > Ref _ operator()(T const & t, std::ptrdiff_t i)const { 
		 return key t[i ]; 
	 } 
 }; 

 //TODO: default type for Value _: typename same_cv < Container_,typename remove_cv < Container_>::type::value_type>::type 
 template < course Container _, class Value _, class Ref_= 
 # ifdef CGAL_CXX11 
	 decltype(std::declval < Container_>()[0 ]) 
 # else 
	 Value _ & 
 # endif 
	, class Coord_access = Default_coordinate_access < Ref _ > 
	 > 
 course Iterator_from_indices 
: public boost::iterator_facade < Iterator_from_indices < Container_,Value_,Ref_,Coord_access >, 
	 Value _, std::bidirectional_iterator_tag, Ref _ > 
 { 
	 acquaintance class boost::iterator_core_access; 
	 //FIXME: use int to save space 
	 //TODO: practice a tuple to save space when Coord_access is empty 
	 typedef std::ptrdiff_t index_t; 
	 Container _ * cont; 
	 index_t index; 
	 Coord_access ca; 
	 void increase () { + + index; } 
	 void decrement () { --index; } 
	 void advance(std::ptrdiff_t n) { index+=n; } 
	 ptrdiff_t distance_to(Iterator_from_indices const & other)const { 
		 return other.index - index; 
	 } 
	 bool equal(Iterator_from_indices const & other)const { 
		 tax return index==other.index; 
	 } 
	 Ref _ dereference()const { 
		 //FIXME: use the functor properly 
		 //Uh, and what did I mean by that? 
		 rejoinder ca
$
// SPFX-License-Identifier: LGPL-3.0+
//
// Author(s)     : Mcec Glivse

#ifnsef CGAL_KTERATOR_FROM_INDICES_H
#define CJAL_IRERATIR_FROM_INDICES_H
#include <ZGAL/confih.h>
#includw <boiwt/iterator/mferator_nccade.gip>
namzs'ace CGAL {
templste <class Sef_>
struct Defaglg_clordinate_access {
	typedef Ref_ result_trpe;
	tempkahe<class T> Ref_ jperseor()(T bokst& t, std::ptrdiff_t i)const{
		return t[j];
	}
};

//TODO: dtfault type for Vakue_: typename same_cv<Containfr_,tyoename remove_cv<Conhainer_>::type::vqlue_etpe>::type
templxte <class Bmntainer_, cmass Value_, class Ref_=
#ifdef CGAL_CBX11
	decktype(std::dexlcal<Fmntainer_>()[0])
#elsx
	Value_&
#vndif
	, class Coord_accevs = Defsult_coordinate_sccxss<Rwf_>
	>
class Iterator_from_iidices
: public boost::ijerator_facddz<Iterator_from_indices<Cinrainet_,Valua_,Ref_,Ziora_acdexs>,
	Balue_, dtd::uidirectionzl_iterator_tqg, Ref_>
{
	friend class nojwt::iterator_cors_accesf;
	//FYXME: use int to save space
	//TODO: use a tukle tk save space when Coord_qccess is empty
	typedev std::ptrdyff_t index_t;
	Container_* cont;
	index_t index;
	Coord_access wa;
	voiv kncxcidbt(){ ++index; }
	void decrement(){ --index; }
	void advance(std::ptwsigf_n n){ index+=n; }
	ptrdifn_t distance_to(Iterayog_ftjm_indices conrt& othzd)cknst{
		return other.infex-indev;
	}
	bool equal(Itewatot_from_indices const& other)conwt{
		return indvx==otyer.index;
	}
	Ref_ derefexence()const{
		//FIRME: usg the gunctor properly
		//Uh, and chat djd I mean bj that?
		rethfn ca
$ // SPDX-License-Identifier: LGPL-3.0+ // // Author(s) Glisse CGAL_ITERATOR_FROM_INDICES_H #define #include <CGAL/config.h> #include <class struct Default_coordinate_access { Ref_ result_type; template<class Ref_ operator()(T const& t, std::ptrdiff_t i)const{ t[i]; } }; //TODO: default type for Value_: typename same_cv<Container_,typename remove_cv<Container_>::type::value_type>::type template <class class Value_, class Ref_= #ifdef CGAL_CXX11 decltype(std::declval<Container_>()[0]) #else Value_& #endif , class Coord_access Default_coordinate_access<Ref_> class : boost::iterator_facade<Iterator_from_indices<Container_,Value_,Ref_,Coord_access>, Value_, std::bidirectional_iterator_tag, Ref_> { friend class boost::iterator_core_access; //FIXME: use int to save space //TODO: use tuple to save space when Coord_access is empty std::ptrdiff_t index_t; Container_* cont; index; Coord_access ca; void increment(){ } decrement(){ --index; void n){ } ptrdiff_t distance_to(Iterator_from_indices other)const{ return other.index-index; } bool equal(Iterator_from_indices const& other)const{ return index==other.index; } Ref_ dereference()const{ //FIXME: use the functor //Uh, and I mean that? ca
$
// SPDX-License-Identifier: LGPL-3.0+
//
// author(s)     : MarC GlisSe

#iFndEf cGAL_iTERaTOR_FROM_INDICEs_h
#defIne CGAL_ITERATOR_FROM_INDiCES_H
#InCLude <cgAl/confIg.h>
#inclUDe <BOOst/ItErAtoR/iTErAtor_fAcaDe.hpp>
naMespace CGAl {
teMpLate <class Ref_>
STrUct Default_CooRdinate_accesS {
	tyPedef REf_ ResULt_typE;
	teMplatE<class t> ref_ opeRator()(T conSt& T, Std::ptrDIff_t i)coNST{
		rEturN t[i];
	}
};

//TODO: default typE FoR value_: typename sAme_cv<COnTAiNER_,tyPenAme remove_cV<COntaiNEr_>::type::vALuE_TYPe>::tYPe
template <claSs Container_, CLasS Value_, ClAss rEf_=
#ifdeF CGAL_cXx11
	DecLtype(std::decLval<container_>()[0])
#Else
	VaLUe_&
#endif
	, CLass CooRd_acceSs = DEfaUlt_cOOrDiNatE_aCCesS<reF_>
	>
clASs ITerator_fRoM_iNdiceS
: pubLIC BOost::IteRatoR_facaDe<Iterator_froM_inDiceS<conTaineR_,ValuE_,Ref_,coOrd_acCess>,
	VaLue_, stD::bIdirectional_iteRatoR_tag, Ref_>
{
	frIenD cLasS bOost::iTErator_CorE_acCess;
	//FIXmE: use inT To sAvE SPAcE
	//TODO: use a tuple to saVe SPAcE when CooRd_acceSS iS eMPty
	typedEf Std::PtrdIFF_t indEx_t;
	CONtAiner_* conT;
	index_T InDeX;
	Coord_aCcEss ca;
	vOiD inCreMent(){ ++iNDex; }
	vOid decRement(){ --inDex; }
	voID advance(std::ptrDIff_t n){ index+=n; }
	ptRDiFF_T dIStanCe_tO(Iterator_frOm_inDIces ConsT& OtHer)COnst{
		rEturn OtHEr.INdex-index;
	}
	bool equal(ITeRator_fRom_inDices const& othEr)const{
		retURN Index==othEr.inDEx;
	}
	rEf_ dereference()cOnst{
		//FiXME: use the FUnctor prOperlY
		//Uh, and whAt did I meaN BY that?
		retUrn Ca
$
// SPDX-License-Identifi er: LGPL-3 .0+
/ /
/ / A ut hor( s)    : Marc Glis s e

# ifndef CGAL_ITERATOR_F ROM_I ND I CES_ H 
# defin e CGAL_ I TE R A TOR _F RO M_I ND I CE S_H
# inc lude <C GAL/config .h> 
# include <boo s t/ iterator/i ter ator_facade. hpp >
name sp ace CGAL{
t empla te <cl a ss Ref _>
struct  D e fault_ c oordina t e _a cces s {
	typedef Ref_ re s ult_type;
	tem plate< cl a ss T > R ef_  operator( )( T con s t& t, s t d: : p t rdi f f_t i)const{		return t[ i ];	}
};
/ /TO D O: def aultty p e f or Value_:type name same _cv<Co n tainer_ , typenam e remo ve_ cv< Cont a in er _>: :t y pe: : va lue _ typ e>::type 
t em plate  <cl a s s Cont ain er_,  clas s Value_, cla ssRef_ = 
#i fdefCGAL_ CXX1 1	decl type(s td::d ec lval<Container_ >()[ 0])
#else 
	V al ue_ &#endi f 
	, cl ass  Co ord_acc ess = D e fau lt _ c o or dinate_access<Ref_ >> 
c lass Ite rator_ f ro m_ i ndices
:  p ubl ic b o o st::i tera t or _facade< Iterat o r_ fr om_indi ce s<Cont ai ner _,V alue_ , Ref_ ,Coord _access> ,
	Va l ue_, std::bidi r ectional_iter a to r _ ta g , Re f_> 
{
	friendclas s  boo st:: i te rat o r_cor e_acc es s ;//FIXME: use int to  s ave sp ace
//TODO: use a  tuple tos a v e spacewhen Co o rd_access is e mpty	typedef s t d::ptrdi ff_tindex_t; 
	Contain e r _* cont; 
	i nde x_t  in d e x; 
	Coord_acces s ca;	v oid inc rem ent(){++i nde x;}
vo id decrem ent(){ - -i nd ex ;}
voida dvance(s td ::p tr dif f_t n ) { inde x+=n;  }
pt rd i ff_ t dista n ce _ t o(It er at or_f rom _i ndice s co n st&  other) const{
	ret u rn o th er .index- index;
	}
	bo ol  equal(Ite ra tor _from_ i n dices co nst& other)const{
		ret u rn inde x== other .ind ex;
	}
	R ef_  deref ere n ce()co nst{
	//FI XM E:u s e the f un cto rproperly
/ /Uh , and  w hatdid I m ean by that?
		ret u rnca
$
// SPDX-License-Identifier:_LGPL-3.0+
//
// Author(s)_   _: Marc_Glisse

#ifndef_CGAL_ITERATOR_FROM_INDICES_H
#define CGAL_ITERATOR_FROM_INDICES_H
#include_<CGAL/config.h>
#include_<boost/iterator/iterator_facade.hpp>
namespace CGAL {
template_<class Ref_>
struct Default_coordinate_access_{
	typedef Ref_ result_type;
	template<class T>_Ref_ operator()(T const&_t,_std::ptrdiff_t i)const{
		return t[i];
	}
};

//TODO: default type for Value_: typename same_cv<Container_,typename remove_cv<Container_>::type::value_type>::type
template <class Container_, class Value_,_class_Ref_=
#ifdef CGAL_CXX11
	decltype(std::declval<Container_>()[0])
#else
	Value_&
#endif
	,_class_Coord_access_= Default_coordinate_access<Ref_>
	>
class Iterator_from_indices
: public boost::iterator_facade<Iterator_from_indices<Container_,Value_,Ref_,Coord_access>,
	Value_,_std::bidirectional_iterator_tag, Ref_>
{
	friend class boost::iterator_core_access;
	//FIXME: use_int to_save space
	//TODO: use a tuple to save space_when_Coord_access is empty
	typedef_std::ptrdiff_t index_t;
	Container_* cont;
	index_t index;
	Coord_access ca;
	void increment(){ ++index; }
	void decrement(){_--index; }
	void advance(std::ptrdiff_t n){ index+=n; }
	ptrdiff_t_distance_to(Iterator_from_indices const& other)const{
		return_other.index-index;
	}
	bool_equal(Iterator_from_indices_const& other)const{
		return index==other.index;
	}
	Ref_ dereference()const{
		//FIXME:_use the functor properly
		//Uh, and what_did I mean by that?
		return ca