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#ifndef INCLUDED_NJN_DOUBLETYPE
#define INCLUDED_NJN_DOUBLETYPE
/* $Id: $
* ===========================================================================
*
* 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 offical 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.
*
* ===========================================================================*/
/*****************************************************************************
File name: njn_doubletype.hpp
Author: John Spouge
Contents:
******************************************************************************/
namespace Njn {
namespace DoubleType {
// Constants
const double ROOT_2 = 1.4142135623730951e+000; // square root of 2.0
const double ROOT_10 = 3.1622776601683795e+000; // square root of 10.0
const double PI = 3.1415926535897931e+000; // pi = ratio circumference to diameter
const double ROOT_PI = 1.7724538509055159e+000; // square root of pi
const double ROOT_2_PI = 2.5066282746310002e+000; // square root of 2.0 * pi
const double E = 2.7182818284590451e+000; // base of natural logarithms
const double LN_2 = 6.9314718055994529e-001; // natural log of 2.0
const double LN_10 = 2.3025850929940459e+000; // natural log of 10.0
const double LN_LN_2 = -3.6651292058166435e-001; // log of log of 2.0
const double EULER = 0.5772156649015325e+000; // Euler's constant gamma
}
}
#endif //! INCLUDED
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