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

#include <agrum/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 46 of file o4DGContext.h.

Constructor & Destructor Documentation

◆ O4DGContext()

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

Default constructor.

Definition at line 68 of file o4DGContext.cpp.

References __nbVar, and __varInstantiation.

                                                   :
       __DG1ExploredNode(0), __DG2ExploredNode(0), __key(0) {
     GUM_CONSTRUCTOR(O4DGContext);
     __varInstantiation = varInst;
     __nbVar = nbVar;
   }

◆ ~O4DGContext()

gum::O4DGContext::~O4DGContext ( )

Default destructor.

Definition at line 76 of file o4DGContext.cpp.

76 { GUM_DESTRUCTOR(O4DGContext); }

gum::O4DGContext::O4DGContext

O4DGContext(Idx *, Idx)

Default constructor.

Definition: o4DGContext.cpp:68

Member Function Documentation

◆ chgVarModality()

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

Changes given variable modality.

Definition at line 43 of file o4DGContext_inl.h.

References __varInstantiation.

Referenced by gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::__compute(), gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::__compute(), and DG2Node().

                                                                        {
     __varInstantiation[varIndex] = newModality;
   }

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◆ DG1Node()

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

inline

Get DG1 diagram current explored Node.

Definition at line 83 of file o4DGContext.h.

References __DG1ExploredNode, and setDG2Node().

Referenced by gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::__compute(), and gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::__compute().

83 { return __DG1ExploredNode; }

gum::O4DGContext::__DG1ExploredNode

NodeId __DG1ExploredNode

DG1 Diagram current explored node.

Definition: o4DGContext.h:116

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◆ DG2Node()

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

inline

Get DG2 diagram current explored Node.

Definition at line 89 of file o4DGContext.h.

References __DG2ExploredNode, chgVarModality(), key(), and varModality().

Referenced by gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::__compute(), and gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::__compute().

89 { return __DG2ExploredNode; }

gum::O4DGContext::__DG2ExploredNode

NodeId __DG2ExploredNode

DG2 Diagram current explored node.

Definition: o4DGContext.h:119

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◆ key()

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

Returns o4DGContext key.

Definition at line 53 of file o4DGContext_inl.h.

References __DG1ExploredNode, __DG2ExploredNode, __key, __logPrime, __nbVar, __offset1, __offset2, __offsetv, and __varInstantiation.

Referenced by gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::__compute(), gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::__compute(), and DG2Node().

                                                              {
     __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 68 of file o4DGContext_inl.h.

References gum::SmallObjectAllocator::deallocate(), and gum::SmallObjectAllocator::instance().

                                                   {
     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 64 of file o4DGContext_inl.h.

References gum::SmallObjectAllocator::allocate(), and gum::SmallObjectAllocator::instance().

                                                  {
     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 33 of file o4DGContext_inl.h.

References __DG1ExploredNode.

Referenced by gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::__compute(), gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::__compute(), gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::compute(), and gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::compute().

                                                                 {
     __DG1ExploredNode = exploredNode;
   }

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◆ setDG2Node()

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

Set DG2 diagram current explored Node.

Definition at line 38 of file o4DGContext_inl.h.

References __DG2ExploredNode.

Referenced by gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::__compute(), gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::__compute(), gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::compute(), gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::compute(), and DG1Node().

                                                                 {
     __DG2ExploredNode = exploredNode;
   }

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◆ varModality()

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

Changes given variable modality.

Definition at line 48 of file o4DGContext_inl.h.

References __varInstantiation.

Referenced by gum::Regress< GUM_SCALAR, COMBINEOPERATOR, PROJECTOPERATOR, TerminalNodePolicy >::__compute(), gum::MultiDimFunctionGraphOperator< GUM_SCALAR, FUNCTOR, TerminalNodePolicy >::__compute(), and DG2Node().

                                                   {
     return __varInstantiation[varIndex];
   }

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Member Data Documentation

◆ __DG1ExploredNode

NodeId gum::O4DGContext::__DG1ExploredNode

private

DG1 Diagram current explored node.

Definition at line 116 of file o4DGContext.h.

Referenced by DG1Node(), key(), and setDG1Node().

◆ __DG2ExploredNode

NodeId gum::O4DGContext::__DG2ExploredNode

private

DG2 Diagram current explored node.

Definition at line 119 of file o4DGContext.h.

Referenced by DG2Node(), key(), and setDG2Node().

◆ __key

double gum::O4DGContext::__key

private

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

Definition at line 127 of file o4DGContext.h.

Referenced by key().

◆ __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 130 of file o4DGContext.h.

Referenced by key().

◆ __nbLogPrime

const Idx gum::O4DGContext::__nbLogPrime = 140

staticprivate

Definition at line 131 of file o4DGContext.h.

◆ __nbVar

Idx gum::O4DGContext::__nbVar

private

Definition at line 124 of file o4DGContext.h.

Referenced by key(), and O4DGContext().

◆ __offset1

const Idx gum::O4DGContext::__offset1 = O4DGContext::__nbLogPrime - 1

staticprivate

Definition at line 131 of file o4DGContext.h.

Referenced by key().

◆ __offset2

const Idx gum::O4DGContext::__offset2 = O4DGContext::__nbLogPrime - 2

staticprivate

Definition at line 131 of file o4DGContext.h.

Referenced by key().

◆ __offsetv

const Idx gum::O4DGContext::__offsetv = O4DGContext::__nbLogPrime - 3

staticprivate

Definition at line 131 of file o4DGContext.h.

Referenced by key().

◆ __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 123 of file o4DGContext.h.

Referenced by chgVarModality(), key(), O4DGContext(), and varModality().

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

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