njn_doubletype.hpp

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#ifndef ALGO_BLAST_GUMBEL_PARAMS__INCLUDED_NJN_DOUBLETYPE
#define ALGO_BLAST_GUMBEL_PARAMS__INCLUDED_NJN_DOUBLETYPE
 
/* $Id: njn_doubletype.hpp 44808 2010-02-18 16:10:58Z boratyng $
* ===========================================================================
*
*                            PUBLIC DOMAIN NOTICE
*               National Center for Biotechnology Information
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*  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
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/*****************************************************************************
 
File name: njn_doubletype.hpp
 
Author: John Spouge
 
Contents: 
 
******************************************************************************/
 
#include <corelib/ncbistl.hpp>
 
 
BEGIN_NCBI_SCOPE
BEGIN_SCOPE(blast)
 
BEGIN_SCOPE(Njn)
BEGIN_SCOPE(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
 
END_SCOPE(DoubleType)
END_SCOPE(Njn)
 
 
END_SCOPE(blast)
END_NCBI_SCOPE
 
#endif //! ALGO_BLAST_GUMBEL_PARAMS__INCLUDED_NJN_DOUBLETYPE