Dario Sassi
68 lines
2.8 KiB
C++
68 lines
2.8 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2015-2015
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//----------------------------------------------------------------------------
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// File : EGkIntervals.h Data : 03.08.15 Versione : 1.6h1
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// Contenuto : Dichiarazione della classe insieme di intervalli Intervals.
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//
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//
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//
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// Modifiche : 03.08.15 DS Creazione modulo.
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//
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <algorithm>
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#include <vector>
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//----------------------- Macro per import/export ----------------------------
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#undef EGK_EXPORT
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#if defined( I_AM_EGK) // da definirsi solo nella DLL
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#define EGK_EXPORT __declspec( dllexport)
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#else
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#define EGK_EXPORT __declspec( dllimport)
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#endif
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//----------------------------------------------------------------------------
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class Intervals
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{
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public :
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EGK_EXPORT Intervals( void)
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: m_dToler( EPS_SMALL), m_Iter( m_vInts.end()) { m_vInts.reserve( 4) ; }
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EGK_EXPORT Intervals( double dToler)
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: m_dToler( std::max( dToler, EPS_ZERO)), m_Iter( m_vInts.end()) { m_vInts.reserve( 4) ; }
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public :
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EGK_EXPORT void Reset( void) ;
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EGK_EXPORT void Set( double dMin, double dMax) ;
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EGK_EXPORT void Add( double dMin, double dMax) ;
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EGK_EXPORT void Subtract( double dMin, double dMax) ;
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EGK_EXPORT void Intersect( double dMin, double dMax) ;
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EGK_EXPORT void Add( const Intervals& Other) ;
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EGK_EXPORT void Subtract( const Intervals& Other) ;
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EGK_EXPORT void Intersect( const Intervals& Other) ;
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EGK_EXPORT bool IsEmpty( void) const
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{ return m_vInts.empty() ; }
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EGK_EXPORT int GetCount( void) const
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{ return int( m_vInts.size()) ; }
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EGK_EXPORT bool GetMinMax( double& dMin, double& dMax) const ;
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EGK_EXPORT bool GetFirst( double& dMin, double& dMax) const ;
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EGK_EXPORT bool GetNext( double& dMin, double& dMax) const ;
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EGK_EXPORT bool GetLast( double& dMin, double& dMax) const ;
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EGK_EXPORT bool GetPrev( double& dMin, double& dMax) const ;
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EGK_EXPORT bool IsInside( double dP) const ;
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EGK_EXPORT bool GetPrevNearest( double dP, double& dPrev) const ;
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EGK_EXPORT bool GetNextNearest( double dP, double& dNext) const ;
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private :
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typedef std::pair<double,double> INTERV ; // intervallo, definito come insieme di minimo e massimo
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typedef std::vector<INTERV> INTERVVECTOR ; // lista di intervalli
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typedef INTERVVECTOR::const_iterator INTV_CINT ; // iteratore costante a lista di intervalli
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private :
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double m_dToler ;
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INTERVVECTOR m_vInts ;
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mutable INTV_CINT m_Iter ;
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} ;
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