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

 Module:       FGUtility.cpp
 Author:       Jon Berndt
 Date started: 01/09/99
 Purpose:      Contains utility classes for the FG FDM
 Called by:    FGPosition, et. al.

 ------------- Copyright (C) 1999  Jon S. Berndt (jsb@hal-pc.org) -------------

 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
--------------------------------------------------------------------------------
This class is a container for all utility classes used by the flight dynamics
model.

HISTORY
--------------------------------------------------------------------------------
01/09/99   JSB   Created

********************************************************************************
DEFINES
*******************************************************************************/
                                                        
/*******************************************************************************
INCLUDES
*******************************************************************************/

#ifdef FGFS
#  include <simgear/compiler.h>
#  ifdef FG_HAVE_STD_INCLUDES
#    include <cmath>
#  else
#    include <math.h>
#  endif
#else
#  include <cmath>
#endif

#include "FGUtility.h"
#include "FGState.h"
#include "FGFDMExec.h"

#ifndef M_PI_2
/* get a definition for pi */
#include <Include/fg_constants.h>
#define M_PI_2 FG_PI_2
#endif

/*******************************************************************************
************************************ CODE **************************************
*******************************************************************************/

FGUtility::FGUtility()
{
}


FGUtility::~FGUtility()
{
}