include/cluster.h

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/********************************************************************************
 *  Neural Network Framework.                                                   *
 *  Copyright (C) 2005-2008 Gianluca Massera <emmegian@yahoo.it>                *
 *                                                                              *
 *  This program is free software; you can redistribute it and/or modify        *
 *  it under the terms of the GNU General Public License as published by        *
 *  the Free Software Foundation; either version 2 of the License, or           *
 *  (at your option) any later version.                                         *
 *                                                                              *
 *  This program is distributed in the hope that it will be useful,             *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of              *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               *
 *  GNU General Public License for more details.                                *
 *                                                                              *
 *  You should have received a copy of the GNU General Public License           *
 *  along with this program; if not, write to the Free Software                 *
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA  *
 ********************************************************************************/

#ifndef CLUSTER_H
#define CLUSTER_H

#include "types.h"
#include "updatable.h"
#include "outputfunction.h"

namespace nnfw {

class NNFW_API Cluster : public Updatable {
public:
    Cluster( u_int numNeurons, const char* name = "unnamed" );
    Cluster( PropertySettings& prop );
    virtual ~Cluster();



    u_int numNeurons() const {
        return numneurons;
    };

    bool needReset() {
        return needRst;
    };

    void setAccumulate( bool mode ) {
        accOff = !mode;
    };

    bool isAccumulate() const {
        return !accOff;
    };

    virtual void randomize( Real min, Real max ) = 0;

    Variant numNeuronsP() {
        return Variant( numNeurons() );
    };

    Variant accumP() {
        return Variant( isAccumulate() );
    };

    bool setAccumP( const Variant& b ) {
        setAccumulate( b.getBool() );
        return true;
    };



    virtual void setInput( u_int neuron, Real value );

    virtual void setInputs( const RealVec& inputs );

    virtual void setAllInputs( Real value );

    virtual void resetInputs();

    virtual Real getInput( u_int neuron ) const;

    RealVec& inputs() {
        return inputdata;
    };

    const RealVec& inputs() const {
        return inputdata;
    };

    Variant inputsP() {
        return Variant( &inputdata );
    };

    bool setInputsP( const Variant& v ) {
        inputdata.assign( *(v.getRealVec()) );
        return true;
    };



    virtual void setOutput( u_int neuron, Real value );

    virtual void setOutputs( const RealVec& outputs );

    virtual Real getOutput( u_int neuron ) const;

    RealVec& outputs() {
        return outputdata;
    };

    const RealVec& outputs() const {
        return outputdata;
    };

    Variant outputsP() {
        return Variant( &outputdata );
    };

    bool setOutputsP( const Variant& v ) {
        outputdata.assign( *(v.getRealVec()) );
        return true;
    };



    void setFunction( const OutputFunction& up );

    OutputFunction* const getFunction() const {
        return updater;
    };

    Variant getFunctionP() {
        return Variant( updater );
    };

    bool setFunction( const Variant& outf ) {
        setFunction( *(outf.getOutputFunction()) );
        return true;
    };

    virtual Cluster* clone() const;


protected:
    void setNeedReset( bool b ) {
        needRst = accOff && b;
    };

private:
    u_int numneurons;
    RealVec inputdata;
    RealVec outputdata;
    OutputFunction* updater;

    bool needRst;
    bool accOff;

    void propdefs();
};

}

#endif

Copyright © 2005-2008 G. Massera

Contact: emmegian (at) yahoo (dot) it

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