Create dgnfloat.cpp

/******************************************************************************
 * $Id: dgnfloat.cpp,v 1.5 2003/05/21 03:42:01 warmerda Exp $
 *
 * Project:  Microstation DGN Access Library
 * Purpose:  Functions for translating DGN floats into IEEE floats.
 * Author:   Frank Warmerdam, warmerdam@pobox.com
 *
 ******************************************************************************
 * Copyright (c) 2000, Avenza Systems Inc, http://www.avenza.com/
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ******************************************************************************
 *
 * $Log: dgnfloat.cpp,v $
 * Revision 1.5  2003/05/21 03:42:01  warmerda
 * Expanded tabs
 *
 * Revision 1.4  2002/11/11 20:35:42  warmerda
 * added support for converting to vax floating point
 *
 * Revision 1.3  2001/07/18 04:55:16  warmerda
 * added CPL_CSVID
 *
 * Revision 1.2  2001/03/07 13:56:44  warmerda
 * updated copyright to be held by Avenza Systems
 *
 * Revision 1.1  2000/12/14 17:11:05  warmerda
 * New
 *
 */