72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
/****************************************************************************
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* Copyright (C) 2009 Daniel Chappuis *
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****************************************************************************
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* This file is part of ReactPhysics3D. *
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* *
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* ReactPhysics3D is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as published *
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* by the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* ReactPhysics3D is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with ReactPhysics3D. If not, see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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#ifndef KILOGRAM_H
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#define KILOGRAM_H
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// Libraries
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#include <stdexcept>
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// Namespace ReactPhysics3D
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namespace reactphysics3d {
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/* -------------------------------------------------------------------
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Class Kilogram :
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The Kilogram class represents a mass unity. The value inside is a
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mass in kilogram.
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-------------------------------------------------------------------
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*/
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class Kilogram {
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private :
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double value; // Mass value in kilogram
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public :
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Kilogram(); // Constructor
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Kilogram(double value) throw(std::invalid_argument); // Constructor with arguments
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Kilogram(const Kilogram& mass); // Copy-constructor
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virtual ~Kilogram(); // Destructor
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double getValue() const; // Return the mass value in kilogram
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void setValue(double value) throw(std::invalid_argument); // Set the mass value
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};
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// --- Inlines functions --- //
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// Return the value in kilogram
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inline double Kilogram::getValue() const {
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return value;
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}
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// Set the value in kilogram
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inline void Kilogram::setValue(double value) throw(std::invalid_argument) {
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// Check if the time value is positive
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if (value >= 0) {
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this->value = value;
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}
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else {
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// We throw an exception
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throw std::invalid_argument("Exception in Time: Wrong argument, a time value has to be positive");
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}
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}
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}
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#endif
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