69 lines
2 KiB
C
69 lines
2 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1997
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//
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// File: infer.h
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//
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//--------------------------------------------------------------------------
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//
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// infer.h: inference engine declarations
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//
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#ifndef _INFER_H_
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#define _INFER_H_
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#include "gmobj.h"
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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//
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// GOBJMBN_INFER_ENGINE: A generic superclass for inference engines
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// operating against a belief network.
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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class GOBJMBN_INFER_ENGINE: public MBNET_MODIFIER
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{
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public:
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GOBJMBN_INFER_ENGINE (
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MBNET & model, // The model over which to infer
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REAL rEstimatedMaximumSize = -1.0, // Max size estimate; < 0 indicates "don't care"
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int iInferEngID = 0 ) // Inference engine identifier
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: MBNET_MODIFIER(model),
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_iInferEngID( iInferEngID ),
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_rEstMaxSize(rEstimatedMaximumSize)
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{}
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virtual ~ GOBJMBN_INFER_ENGINE () {}
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virtual INT EType () const
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{ return EBNO_INFER_ENGINE; }
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// Perform any creation-time operations
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virtual void Create () = 0;
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// Perform any special destruction
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virtual void Destroy () = 0;
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// Reload or reinitialize as necessary
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virtual void Reload () = 0;
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// Accept evidence on a node
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virtual void EnterEvidence ( GNODEMBN * pgnd, const CLAMP & clamp ) = 0;
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// Return stored evidence against a node
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virtual void GetEvidence ( GNODEMBN * pgnd, CLAMP & clamp ) = 0;
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// Perform full inference
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virtual void Infer () = 0;
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// Return the vector of beliefs for a node
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virtual void GetBelief ( GNODEMBN * pgnd, MDVCPD & mdvBel ) = 0;
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virtual void Dump () = 0;
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INT IInferEngId () const { return _iInferEngID; }
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protected:
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INT _iInferEngID; // This junction tree's identifier
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REAL _rEstMaxSize; // Maximum size estimate
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};
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#endif // _INFER_H_
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