115 lines
4.1 KiB
C++
115 lines
4.1 KiB
C++
/*****************************************************************************
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Header: FGTemperatureItem.h
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Author: Christian Mayer
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Date started: 28.05.99
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---------- Copyright (C) 1999 Christian Mayer (vader@t-online.de) ----------
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place - Suite 330, Boston, MA 02111-1307, USA.
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Further information about the GNU General Public License can also be found on
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the world wide web at http://www.gnu.org.
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FUNCTIONAL DESCRIPTION
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------------------------------------------------------------------------------
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Temperature item that is stored in the micro weather class
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HISTORY
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------------------------------------------------------------------------------
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28.05.1999 Christian Mayer Created
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16.06.1999 Durk Talsma Portability for Linux
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20.06.1999 Christian Mayer added lots of consts
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10.10.1999 Christian Mayer added mutable for gcc 2.95 portability
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11.10.1999 Christian Mayer changed set<> to map<> on Bernie Bright's
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suggestion
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*****************************************************************************/
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/****************************************************************************/
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/* SENTRY */
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/****************************************************************************/
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#ifndef FGTemperatureItem_H
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#define FGTemperatureItem_H
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/****************************************************************************/
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/* INCLUDES */
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/****************************************************************************/
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#include "FGWeatherDefs.h"
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// for the case that mutable isn't supported:
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#include <simgear/compiler.h>
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/****************************************************************************/
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/* DEFINES */
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/****************************************************************************/
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class FGTemperatureItem;
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FGTemperatureItem operator-(const FGTemperatureItem& arg);
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/****************************************************************************/
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/* CLASS DECLARATION */
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/****************************************************************************/
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class FGTemperatureItem
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{
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private:
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mutable WeatherPrecision value;
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WeatherPrecision alt;
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protected:
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public:
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FGTemperatureItem(const WeatherPrecision& a, const WeatherPrecision& v) {alt = a; value = v;}
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FGTemperatureItem(const WeatherPrecision& v) {alt = 0.0; value = v;}
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FGTemperatureItem() {alt = 0.0; value = (WeatherPrecision)FG_WEATHER_DEFAULT_TEMPERATURE;}
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WeatherPrecision getValue() const { return value; };
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WeatherPrecision getAlt() const { return alt; };
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FGTemperatureItem& operator*= (const WeatherPrecision& arg);
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FGTemperatureItem& operator+= (const FGTemperatureItem& arg);
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FGTemperatureItem& operator-= (const FGTemperatureItem& arg);
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friend bool operator<(const FGTemperatureItem& arg1, const FGTemperatureItem& arg2 );
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friend FGTemperatureItem operator-(const FGTemperatureItem& arg);
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};
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inline FGTemperatureItem& FGTemperatureItem::operator*= (const WeatherPrecision& arg)
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{
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value *= arg;
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return *this;
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}
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inline FGTemperatureItem& FGTemperatureItem::operator+= (const FGTemperatureItem& arg)
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{
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value += arg.value;
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return *this;
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}
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inline FGTemperatureItem& FGTemperatureItem::operator-= (const FGTemperatureItem& arg)
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{
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value -= arg.value;
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return *this;
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}
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inline FGTemperatureItem operator-(const FGTemperatureItem& arg)
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{
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return FGTemperatureItem(arg.alt, -arg.value);
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}
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/****************************************************************************/
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#endif /*FGTemperatureItem_H*/
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