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1 01873262 Georg Kunz
//=========================================================================
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//  DIFFQUOT.H - part of
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//                  OMNeT++/OMNEST
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//           Discrete System Simulation in C++
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//
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//  Author: Andras Varga
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//
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//=========================================================================
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/*--------------------------------------------------------------*
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  Copyright (C) 2005-2008 Andras Varga
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  This file is distributed WITHOUT ANY WARRANTY. See the file
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  `license' for details on this and other legal matters.
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*--------------------------------------------------------------*/
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#ifndef _DIFFQUOT_H_
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#define _DIFFQUOT_H_
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#include "commonnodes.h"
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NAMESPACE_BEGIN
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/**
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 * Processing node which calculates difference quotient of every value
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 * and the next one.
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 */
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class SCAVE_API DifferenceQuotientNode : public FilterNode
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{
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    private:
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        bool firstRead;
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        Datum l;
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    public:
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        DifferenceQuotientNode();
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        virtual bool isReady() const;
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        virtual void process();
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};
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class SCAVE_API DifferenceQuotientNodeType : public FilterNodeType
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{
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    public:
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        virtual const char *getName() const {return "diffquot";}
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        virtual const char *getDescription() const;
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        virtual void getAttributes(StringMap& attrs) const;
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        virtual void getAttrDefaults(StringMap& attrs) const;
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        virtual Node *create(DataflowManager *mgr, StringMap& attrs) const;
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        virtual void mapVectorAttributes(/*inout*/StringMap &attrs) const;
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};
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NAMESPACE_END
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#endif
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