Class used to manipulate context during Function Graph Operations. More...

#include <agrum/tools/multidim/FunctionGraphUtilities/o4DGContext.h>

Collaboration diagram for gum::O4DGContext:

Public Member Functions
Constructors, Destructors.
	O4DGContext (Idx *, Idx)
	Default constructor. More...

	~O4DGContext ()
	Default destructor. More...

void *	operator new (size_t s)
	Operator new overload to use the SmallObjectAllocator. More...

void	operator delete (void *p)
	Operator delete overload to use the SmallObjectAllocator. More...

Diagrams current nodes setters & getters.
void	setDG1Node (const NodeId &)
	Set DG1 diagram current explored Node. More...

const NodeId &	DG1Node () const
	Get DG1 diagram current explored Node. More...

void	setDG2Node (const NodeId &)
	Set DG2 diagram current explored Node. More...

const NodeId &	DG2Node () const
	Get DG2 diagram current explored Node. More...

Variables modalities handlers
void	chgVarModality (Idx, Idx)
	Changes given variable modality. More...

Idx	varModality (Idx)
	Changes given variable modality. More...

O4DG Handling methods
const double &	key (short int *instNeeded)
	Returns o4DGContext key. More...

Detailed Description

Class used to manipulate context during Function Graph Operations.

Definition at line 49 of file o4DGContext.h.

Constructor & Destructor Documentation

◆ O4DGContext()

gum::O4DGContext::O4DGContext	(	Idx *	varInst,
		Idx	nbVar
	)

Default constructor.

Definition at line 70 of file o4DGContext.cpp.

References gum::Set< Key, Alloc >::emplace().

                                                   :
       DG1ExploredNode__(0), DG2ExploredNode__(0), key__(0) {
     GUM_CONSTRUCTOR(O4DGContext);
     varInstantiation__ = varInst;
     nbVar__            = nbVar;
   }

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◆ ~O4DGContext()

gum::O4DGContext::~O4DGContext ( )

Default destructor.

Definition at line 78 of file o4DGContext.cpp.

References gum::Set< Key, Alloc >::emplace().

78 { GUM_DESTRUCTOR(O4DGContext); }

gum::O4DGContext::O4DGContext

O4DGContext(Idx *, Idx)

Default constructor.

Definition: o4DGContext.cpp:70

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Member Function Documentation

◆ chgVarModality()

INLINE void gum::O4DGContext::chgVarModality	(	Idx	varIndex,
		Idx	newModality
	)

Changes given variable modality.

Definition at line 46 of file o4DGContext_inl.h.

References gum::Set< Key, Alloc >::emplace().

                                                                        {
     varInstantiation__[varIndex] = newModality;
   }

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◆ DG1Node()

const NodeId& gum::O4DGContext::DG1Node ( ) const

inline

Get DG1 diagram current explored Node.

Definition at line 86 of file o4DGContext.h.

86 { return DG1ExploredNode__; }

gum::O4DGContext::DG1ExploredNode__

NodeId DG1ExploredNode__

DG1 Diagram current explored node.

Definition: o4DGContext.h:119

◆ DG2Node()

const NodeId& gum::O4DGContext::DG2Node ( ) const

inline

Get DG2 diagram current explored Node.

Definition at line 92 of file o4DGContext.h.

92 { return DG2ExploredNode__; }

gum::O4DGContext::DG2ExploredNode__

NodeId DG2ExploredNode__

DG2 Diagram current explored node.

Definition: o4DGContext.h:122

◆ key()

INLINE const double & gum::O4DGContext::key ( short int * instNeeded )

Returns o4DGContext key.

Definition at line 56 of file o4DGContext_inl.h.

References gum::Set< Key, Alloc >::emplace().

                                                              {
     key__ = DG1ExploredNode__ * logPrime__[offset1__]
           + DG2ExploredNode__ * logPrime__[offset2__];
 
     for (Idx varPos = 0, offset = offsetv__; varPos < nbVar__; varPos++, offset--)
       if (instNeeded[varPos])
         key__ += varInstantiation__[varPos] * logPrime__[offset];
 
     return key__;
   }

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◆ operator delete()

INLINE void gum::O4DGContext::operator delete ( void * p )

Operator delete overload to use the SmallObjectAllocator.

Definition at line 71 of file o4DGContext_inl.h.

References gum::Set< Key, Alloc >::emplace().

                                                   {
     SmallObjectAllocator::instance().deallocate(p, sizeof(O4DGContext));
   }

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◆ operator new()

INLINE void * gum::O4DGContext::operator new ( size_t s )

Operator new overload to use the SmallObjectAllocator.

Definition at line 67 of file o4DGContext_inl.h.

References gum::Set< Key, Alloc >::emplace().

                                                  {
     return SmallObjectAllocator::instance().allocate(s);
   }

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◆ setDG1Node()

INLINE void gum::O4DGContext::setDG1Node ( const NodeId & exploredNode )

Set DG1 diagram current explored Node.

Definition at line 36 of file o4DGContext_inl.h.

References gum::Set< Key, Alloc >::emplace().

                                                                 {
     DG1ExploredNode__ = exploredNode;
   }

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◆ setDG2Node()

INLINE void gum::O4DGContext::setDG2Node ( const NodeId & exploredNode )

Set DG2 diagram current explored Node.

Definition at line 41 of file o4DGContext_inl.h.

References gum::Set< Key, Alloc >::emplace().

                                                                 {
     DG2ExploredNode__ = exploredNode;
   }

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◆ varModality()

INLINE Idx gum::O4DGContext::varModality ( Idx varIndex )

Changes given variable modality.

Definition at line 51 of file o4DGContext_inl.h.

References gum::Set< Key, Alloc >::emplace().

                                                   {
     return varInstantiation__[varIndex];
   }

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Member Data Documentation

◆ DG1ExploredNode__

NodeId gum::O4DGContext::DG1ExploredNode__

private

DG1 Diagram current explored node.

Definition at line 119 of file o4DGContext.h.

◆ DG2ExploredNode__

NodeId gum::O4DGContext::DG2ExploredNode__

private

DG2 Diagram current explored node.

Definition at line 122 of file o4DGContext.h.

◆ key__

double gum::O4DGContext::key__

private

The key use to store the context as a key in the hashtable.

Definition at line 130 of file o4DGContext.h.

◆ logPrime__

const double gum::O4DGContext::logPrime__

staticprivate

Initial value:

= {
     log2(2),   log2(3),   log2(5),   log2(7),   log2(11),  log2(13),  log2(17),
     log2(19),  log2(23),  log2(29),  log2(31),  log2(37),  log2(41),  log2(43),
     log2(47),  log2(53),  log2(59),  log2(61),  log2(67),  log2(71),  log2(73),
     log2(79),  log2(83),  log2(89),  log2(97),  log2(101), log2(103), log2(107),
     log2(109), log2(113), log2(127), log2(131), log2(137), log2(139), log2(149),
     log2(151), log2(157), log2(163), log2(167), log2(173), log2(179), log2(181),
     log2(191), log2(193), log2(197), log2(199), log2(211), log2(223), log2(227),
     log2(229), log2(233), log2(239), log2(241), log2(251), log2(257), log2(263),
     log2(269), log2(271), log2(277), log2(281), log2(283), log2(293), log2(307),
     log2(311), log2(313), log2(317), log2(331), log2(337), log2(347), log2(349),
     log2(353), log2(359), log2(367), log2(373), log2(379), log2(383), log2(389),
     log2(397), log2(401), log2(409), log2(419), log2(421), log2(431), log2(433),
     log2(439), log2(443), log2(449), log2(457), log2(461), log2(463), log2(467),
     log2(479), log2(487), log2(491), log2(499), log2(503), log2(509), log2(521),
     log2(523), log2(541), log2(547), log2(557), log2(563), log2(569), log2(571),
     log2(577), log2(587), log2(593), log2(599), log2(601), log2(607), log2(613),
     log2(617), log2(619), log2(631), log2(641), log2(643), log2(647), log2(653),
     log2(659), log2(661), log2(673), log2(677), log2(683), log2(691), log2(701),
     log2(709), log2(719), log2(727), log2(733), log2(739), log2(743), log2(751),
     log2(757), log2(761), log2(769), log2(773), log2(787), log2(797), log2(809)}

Table containing the log2 of prime numbers.

Definition at line 133 of file o4DGContext.h.

◆ nbLogPrime__

const Idx gum::O4DGContext::nbLogPrime__ = 140

staticprivate

Definition at line 134 of file o4DGContext.h.

◆ nbVar__

Idx gum::O4DGContext::nbVar__

private

Definition at line 127 of file o4DGContext.h.

◆ offset1__

const Idx gum::O4DGContext::offset1__ = O4DGContext::nbLogPrime__ - 1

staticprivate

Definition at line 134 of file o4DGContext.h.

◆ offset2__

const Idx gum::O4DGContext::offset2__ = O4DGContext::nbLogPrime__ - 2

staticprivate

Definition at line 134 of file o4DGContext.h.

◆ offsetv__

const Idx gum::O4DGContext::offsetv__ = O4DGContext::nbLogPrime__ - 3

staticprivate

Definition at line 134 of file o4DGContext.h.

◆ varInstantiation__

Idx* gum::O4DGContext::varInstantiation__

private

Vector containing for each retrograde variable its current modality 0 meaning no instantiation done => there's an offset.

Definition at line 126 of file o4DGContext.h.

The documentation for this class was generated from the following files:

agrum/tools/multidim/utils/FunctionGraphUtilities/operators/o4DGContext.h
agrum/tools/multidim/utils/FunctionGraphUtilities/operators/o4DGContext.cpp
agrum/tools/multidim/utils/FunctionGraphUtilities/operators/o4DGContext_inl.h

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ O4DGContext()

◆ ~O4DGContext()

Member Function Documentation

◆ chgVarModality()

◆ DG1Node()

◆ DG2Node()

◆ key()

◆ operator delete()

◆ operator new()

◆ setDG1Node()

◆ setDG2Node()

◆ varModality()

Member Data Documentation

◆ DG1ExploredNode__

◆ DG2ExploredNode__

◆ key__

◆ logPrime__

◆ nbLogPrime__

◆ nbVar__

◆ offset1__

◆ offset2__

◆ offsetv__

◆ varInstantiation__