filedrv.h

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/* $Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/mbdyn/base/filedrv.h,v 1.33 2017/01/12 14:46:09 masarati Exp $ */
/*
 * MBDyn (C) is a multibody analysis code.
 * http://www.mbdyn.org
 *
 * Copyright (C) 1996-2017
 *
 * Pierangelo Masarati  <masarati@aero.polimi.it>
 * Paolo Mantegazza     <mantegazza@aero.polimi.it>
 *
 * Dipartimento di Ingegneria Aerospaziale - Politecnico di Milano
 * via La Masa, 34 - 20156 Milano, Italy
 * http://www.aero.polimi.it
 *
 * Changing this copyright notice is forbidden.
 *
 * 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 (version 2 of the License).
 *
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/* file driver */

#ifndef FILEDRV_H
#define FILEDRV_H

#include "mbdyn.h"
#include "drive.h"

#define MBDYN_FILE_DRIVE_CHECK (-10101)

/* FileDrive - begin */

class FileDrive : public Drive {
protected:
        std::string sFileName;
        integer iNumDrives;
        doublereal* pdVal;

        /* NOTE: pdVal actually points to one doublereal *before* the actual array;
         * use pdVal[base1idx] or pdVal[base0idx + 1]
         */

public:
        FileDrive(unsigned int uL, const DriveHandler* pDH,
                const std::string& s,
                integer nd, const std::vector<doublereal>& v0);
        virtual ~FileDrive(void);

        virtual Drive::Type GetDriveType(void) const;

        /* Scrive il contributo del DriveCaller al file di restart */
        virtual std::ostream& Restart(std::ostream& out) const = 0;

        virtual inline integer iGetNumDrives(void) const;

        virtual doublereal dGet(const doublereal& t, int i = 1) const;
};


inline integer
FileDrive::iGetNumDrives(void) const
{
        return iNumDrives;
}

/* FileDrive - end */


/* FileDriveCaller - begin */

class FileDriveCaller : public DriveCaller {
protected:
        const FileDrive* pFileDrive;
        integer iNumDrive;
        doublereal dAmplitude;

public:
        FileDriveCaller(const DriveHandler* pDH, const FileDrive* p,
                        integer i, const doublereal& da);
        virtual ~FileDriveCaller(void);

        /* Copia */
        virtual DriveCaller* pCopy(void) const;

        /* Scrive il contributo del DriveCaller al file di restart */
        virtual std::ostream& Restart(std::ostream& out) const;

        /* Restituisce il valore del driver */
        virtual inline doublereal dGet(const doublereal& dVal) const;
        /* virtual inline doublereal dGet(void) const; */
};


inline doublereal
FileDriveCaller::dGet(const doublereal& dVal) const
{
        return dAmplitude*pFileDrive->dGet(dVal, iNumDrive);
}

/* FileDriveCaller - end */

class DataManager;
class MBDynParser;

extern Drive* ReadFileDriver(DataManager* pDM,
                MBDynParser& HP, unsigned int uLabel);

#endif /* FILEDRV_H */