/*****************************************************************************

 Module:       FGVaporPressureItem.cpp
 Author:       Christian Mayer
 Date started: 28.05.99
 Called by:    FGMicroWeather

 ---------- Copyright (C) 1999  Christian Mayer (vader@t-online.de) ----------

 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
 Foundation; either version 2 of the License, or (at your option) any later
 version.

 This program is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 details.

 You should have received a copy of the GNU General Public License along with
 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 Place - Suite 330, Boston, MA  02111-1307, USA.

 Further information about the GNU General Public License can also be found on
 the world wide web at http://www.gnu.org.

FUNCTIONAL DESCRIPTION
------------------------------------------------------------------------------
Operator< definition for the item

HISTORY
------------------------------------------------------------------------------
28.05.1999 Christian Mayer	Created
16.06.1999 Durk Talsma		Portability for Linux
20.06.1999 Christian Mayer	added lots of consts
11.10.1999 Christian Mayer	changed set<> to map<> on Bernie Bright's 
				suggestion
*****************************************************************************/

/****************************************************************************/
/* INCLUDES								    */
/****************************************************************************/
#include "FGVaporPressureItem.h"

/****************************************************************************/
/********************************** CODE ************************************/
/****************************************************************************/
bool operator<(const FGVaporPressureItem& arg1, const FGVaporPressureItem& arg2 )
{
    return arg1.alt < arg2.alt;
}