math.hpp

来自「ncbi源码」· HPP 代码 · 共 99 行

/*
 * ===========================================================================
 * PRODUCTION $Log: math.hpp,v $
 * PRODUCTION Revision 1000.2  2004/06/01 19:48:49  gouriano
 * PRODUCTION PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.4
 * PRODUCTION
 * ===========================================================================
 */

#ifndef GUI_MATH___MATH___HPP
#define GUI_MATH___MATH___HPP

/*  $Id: math.hpp,v 1000.2 2004/06/01 19:48:49 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software / database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software / database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Mike DiCuccio
 *
 * File Description:
 *
 */

#include <corelib/ncbistd.hpp>
#include <math.h>

/** @addtogroup GUI_MATH
 *
 * @{
 */

BEGIN_NCBI_SCOPE
BEGIN_SCOPE(math)

//
// some useful constants
//
#ifdef M_PI
const float pi = M_PI;
#else
const float pi = 3.1415927f;
#endif


//
// epsilon - some tiny number
//
const float epsilon = 1e-6f;


END_SCOPE(math)
END_NCBI_SCOPE

/* @} */


/*
 * ===========================================================================
 * $Log: math.hpp,v $
 * Revision 1000.2  2004/06/01 19:48:49  gouriano
 * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.4
 *
 * Revision 1.4  2004/05/11 18:53:50  dicuccio
 * Added doxygen modules info
 *
 * Revision 1.3  2004/03/11 17:17:07  dicuccio
 * FIxed include guards
 *
 * Revision 1.2  2003/06/09 19:45:02  dicuccio
 * Added missing ';'
 *
 * Revision 1.1  2003/06/09 19:30:50  dicuccio
 * Initial revision
 *
 * ===========================================================================
 */

#endif  // GUI_MATH___MATH___HPP