178 lines
6.2 KiB
C++
178 lines
6.2 KiB
C++
/*
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* Copyright (c) 2019 Lawrence Livermore National Laboratory
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathew Bielejeski <bielejeski1@llnl.gov>
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*/
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#include "ns3/core-module.h"
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#include "ns3/length.h"
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#include <iostream>
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/**
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* \defgroup length-examples Demonstrates usage of the ns3::Length class
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* \ingroup core-examples
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* \ingroup length
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*/
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/**
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* \file
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* \ingroup length-examples
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* Demonstrates usage of the ns3::Length class
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*/
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using namespace ns3;
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/**
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* \ingroup length-examples
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* \brief Demonstrates the use of ns3::Length constructors.
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*/
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void
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Constructors()
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{
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double input = 5;
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Length::Quantity quantity(input, Length::Unit::Meter);
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std::cout << "\nConstructors:"
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<< "\nLength (" << input << ", Unit::Meter) = " << Length(input, Length::Unit::Meter)
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<< "\nLength (" << input << ", \"m\") = " << Length(input, "m") << "\nLength ("
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<< input << ", \"meter\") = " << Length(input, "meter") << "\nLength (Quantity("
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<< input << ", Unit::Meter)) = " << Length(quantity)
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<< "\nLength (\"5m\") = " << Length("5m") << "\nLength (\"5 m\") = " << Length("5 m")
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<< "\nLength (\"5meter\") = " << Length("5meter")
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<< "\nLength (\"5 meter\") = " << Length("5 meter")
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<< "\nLength (\"5meters\") = " << Length("5meters")
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<< "\nLength (\"5 meters\") = " << Length("5 meters") << std::endl;
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}
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/**
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* \ingroup length-examples
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* \brief Demonstrates the use of ns3::Length conversions.
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*/
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void
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Conversions()
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{
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// construct length using value and unit
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Length moonDistance(3.84402e8, Length::Unit::Meter);
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// Demonstrate conversion to various units
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std::cout << "\n"
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<< "Conversions:\n"
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<< "Distance to moon = " << moonDistance << "\n"
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<< "In Feet: " << moonDistance.As(Length::Unit::Foot) << "\n"
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<< "In Miles: " << moonDistance.As(Length::Unit::Mile) << "\n"
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<< "In Kilometers: " << moonDistance.As(Length::Unit::Kilometer) << std::endl;
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}
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/**
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* \ingroup length-examples
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* \brief Demonstrates the use of ns3::Length arithmetic operators.
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*/
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void
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ArithmeticOperators()
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{
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double scale = 10;
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// construct lengths using helper functions
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Length oneMeter = Meters(1);
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Length twoMeter = Meters(2);
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std::cout << "\n"
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<< "Arithmetic Operations:\n"
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<< "Addition: " << oneMeter << " + " << twoMeter << " = " << (oneMeter + twoMeter)
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<< "\n"
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<< "Subtraction: " << twoMeter << " - " << oneMeter << " = " << (twoMeter - oneMeter)
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<< "\n"
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<< "Multiplication By Scalar: " << oneMeter << " * " << scale << " = "
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<< (oneMeter * scale) << "\n"
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<< "Division: " << oneMeter << " / " << twoMeter << " = " << (oneMeter / twoMeter)
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<< "\n"
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<< "Division By Scalar: " << oneMeter << " / " << scale << " = " << (oneMeter / scale)
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<< std::endl;
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}
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/**
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* \ingroup length-examples
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* \brief Demonstrates the use of ns3::Length equality operators.
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*/
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void
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EqualityOperators()
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{
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Length oneMeter = Meters(1);
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Length twoMeter = Meters(2);
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Length threeMeter = Meters(3);
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// NOLINTBEGIN(misc-redundant-expression)
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std::cout << "\n"
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<< "Comparison Operations:\n"
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<< std::boolalpha << "Equality: " << oneMeter << " == " << oneMeter << " is "
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<< (oneMeter == oneMeter) << "\n"
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<< "Equality: " << oneMeter << " == " << twoMeter << " is " << (oneMeter == twoMeter)
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<< "\n"
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<< "Inequality: " << oneMeter << " != " << oneMeter << " is "
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<< (oneMeter != oneMeter) << "\n"
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<< "Inequality: " << oneMeter << " != " << twoMeter << " is "
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<< (oneMeter != twoMeter) << "\n"
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<< "Lesser: " << oneMeter << " < " << oneMeter << " is " << (oneMeter < oneMeter)
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<< "\n"
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<< "Lesser: " << oneMeter << " < " << twoMeter << " is " << (oneMeter < twoMeter)
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<< "\n"
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<< "Lesser: " << threeMeter << " < " << oneMeter << " is " << (threeMeter < oneMeter)
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<< "\n"
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<< "Greater: " << oneMeter << " > " << oneMeter << " is " << (oneMeter > oneMeter)
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<< "\n"
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<< "Greater: " << oneMeter << " > " << twoMeter << " is " << (oneMeter > twoMeter)
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<< "\n"
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<< "Greater: " << threeMeter << " > " << oneMeter << " is " << (threeMeter > oneMeter)
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<< std::endl;
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// NOLINTEND(misc-redundant-expression)
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}
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/**
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* \ingroup length-examples
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* \brief Demonstrates the use of ns3::Length multiplications and divisions.
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*/
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void
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DivAndMod()
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{
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// construct length using helper function
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Length totalLen = Feet(20);
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Length pieceLen = Feet(3);
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Length remainder;
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int64_t count = Div(totalLen, pieceLen, &remainder);
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std::cout << "\nHow many times can a " << totalLen.As(Length::Unit::Foot) << " length "
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<< "be split into " << pieceLen.As(Length::Unit::Foot) << " sized pieces? " << count
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<< "\nremainder: " << remainder.As(Length::Unit::Foot) << std::endl;
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std::cout << "\nHow much remains after splitting a " << totalLen.As(Length::Unit::Foot)
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<< " length into " << pieceLen.As(Length::Unit::Foot) << " sized pieces? "
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<< Mod(totalLen, pieceLen).As(Length::Unit::Foot) << std::endl;
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}
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int
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main(int argc, char** argv)
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{
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Constructors();
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Conversions();
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ArithmeticOperators();
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EqualityOperators();
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DivAndMod();
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return 0;
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}
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