NBCapacity2Lanes.h

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/****************************************************************************/
// A helper class which computes the lane number from given capacity
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   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.
//
/****************************************************************************/
#ifndef NBCapacity2Lanes_h
#define NBCapacity2Lanes_h


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif


// ===========================================================================
// class definitions
// ===========================================================================
class NBCapacity2Lanes {
public:
    NBCapacity2Lanes(SUMOReal divider) throw() : myDivider(divider) { }


    ~NBCapacity2Lanes() throw() { }


    int get(SUMOReal capacity) const throw() {
        capacity /= myDivider;
        if (capacity>(int) capacity) {
            capacity += 1;
        }
        // just assure that the number of lanes is not zero
        if (capacity==0) {
            capacity = 1;
        }
        return (int) capacity;
    }

private:
    SUMOReal myDivider;

};


#endif

/****************************************************************************/