NBCapacity2Lanes.h

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/****************************************************************************/
// Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
// Copyright (C) 2001-2024 German Aerospace Center (DLR) and others.
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0/
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License 2.0 are satisfied: GNU General Public License, version 2
// or later which is available at
// https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
/****************************************************************************/
// A helper class which computes the lane number from given capacity
/****************************************************************************/
#pragma once
#include <config.h>
 
 
// ===========================================================================
// class definitions
// ===========================================================================
class NBCapacity2Lanes {
public:
    NBCapacity2Lanes(double divider) : myDivider(divider) { }
 
 
    ~NBCapacity2Lanes() { }
 
 
    int get(double capacity) const {
        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:
    double myDivider;
 
};