1 /*****************************************************************************
3 Header: FGTemperatureItem.h
4 Author: Christian Mayer
7 ---------- Copyright (C) 1999 Christian Mayer (vader@t-online.de) ----------
9 This program is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free Software
11 Foundation; either version 2 of the License, or (at your option) any later
14 This program is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
19 You should have received a copy of the GNU General Public License along with
20 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21 Place - Suite 330, Boston, MA 02111-1307, USA.
23 Further information about the GNU General Public License can also be found on
24 the world wide web at http://www.gnu.org.
26 FUNCTIONAL DESCRIPTION
27 ------------------------------------------------------------------------------
28 Temperature item that is stored in the micro weather class
31 ------------------------------------------------------------------------------
32 28.05.1999 Christian Mayer Created
33 16.06.1999 Durk Talsma Portability for Linux
34 20.06.1999 Christian Mayer added lots of consts
35 *****************************************************************************/
37 /****************************************************************************/
39 /****************************************************************************/
40 #ifndef FGTemperatureItem_H
41 #define FGTemperatureItem_H
43 /****************************************************************************/
45 /****************************************************************************/
46 #include "FGWeatherDefs.h"
48 /****************************************************************************/
50 /****************************************************************************/
51 class FGTemperatureItem;
52 FGTemperatureItem operator-(const FGTemperatureItem& arg);
54 /****************************************************************************/
55 /* CLASS DECLARATION */
56 /****************************************************************************/
57 class FGTemperatureItem
60 WeatherPrecition value;
66 FGTemperatureItem(const WeatherPrecition& a, const WeatherPrecition& v) {alt = a; value = v;}
67 FGTemperatureItem(const WeatherPrecition& v) {alt = 0.0; value = v;}
68 FGTemperatureItem() {alt = 0.0; value = (WeatherPrecition)FG_WEATHER_DEFAULT_TEMPERATURE;}
70 WeatherPrecition getValue() const { return value; };
71 WeatherPrecition getAlt() const { return alt; };
73 FGTemperatureItem& operator*= (const WeatherPrecition& arg);
74 FGTemperatureItem& operator+= (const FGTemperatureItem& arg);
75 FGTemperatureItem& operator-= (const FGTemperatureItem& arg);
77 friend bool operator<(const FGTemperatureItem& arg1, const FGTemperatureItem& arg2 );
78 friend FGTemperatureItem operator-(const FGTemperatureItem& arg);
82 inline FGTemperatureItem& FGTemperatureItem::operator*= (const WeatherPrecition& arg)
88 inline FGTemperatureItem& FGTemperatureItem::operator+= (const FGTemperatureItem& arg)
93 inline FGTemperatureItem& FGTemperatureItem::operator-= (const FGTemperatureItem& arg)
100 inline FGTemperatureItem operator-(const FGTemperatureItem& arg)
102 return FGTemperatureItem(arg.alt, -arg.value);
108 /****************************************************************************/
109 #endif /*FGTemperatureItem_H*/