1.1 --- a/epoc32/include/stdapis/boost/math/special_functions/asinh.hpp	Tue Mar 16 16:12:26 2010 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,101 +0,0 @@
     1.4 -//    boost asinh.hpp header file
     1.5 -
     1.6 -//  (C) Copyright Eric Ford & Hubert Holin 2001.
     1.7 -//  Distributed under the Boost Software License, Version 1.0. (See
     1.8 -//  accompanying file LICENSE_1_0.txt or copy at
     1.9 -//  http://www.boost.org/LICENSE_1_0.txt)
    1.10 -
    1.11 -// See http://www.boost.org for updates, documentation, and revision history.
    1.12 -
    1.13 -#ifndef BOOST_ASINH_HPP
    1.14 -#define BOOST_ASINH_HPP
    1.15 -
    1.16 -
    1.17 -#include <cmath>
    1.18 -#include <limits>
    1.19 -#include <string>
    1.20 -#include <stdexcept>
    1.21 -
    1.22 -
    1.23 -#include <boost/config.hpp>
    1.24 -
    1.25 -
    1.26 -// This is the inverse of the hyperbolic sine function.
    1.27 -
    1.28 -namespace boost
    1.29 -{
    1.30 -    namespace math
    1.31 -    {
    1.32 -#if defined(__GNUC__) && (__GNUC__ < 3)
    1.33 -        // gcc 2.x ignores function scope using declarations,
    1.34 -        // put them in the scope of the enclosing namespace instead:
    1.35 -        
    1.36 -        using    ::std::abs;
    1.37 -        using    ::std::sqrt;
    1.38 -        using    ::std::log;
    1.39 -        
    1.40 -        using    ::std::numeric_limits;
    1.41 -#endif
    1.42 -        
    1.43 -        template<typename T>
    1.44 -        inline T    asinh(const T x)
    1.45 -        {
    1.46 -            using    ::std::abs;
    1.47 -            using    ::std::sqrt;
    1.48 -            using    ::std::log;
    1.49 -            
    1.50 -            using    ::std::numeric_limits;
    1.51 -            
    1.52 -            
    1.53 -            T const            one = static_cast<T>(1);
    1.54 -            T const            two = static_cast<T>(2);
    1.55 -            
    1.56 -            static T const    taylor_2_bound = sqrt(numeric_limits<T>::epsilon());
    1.57 -            static T const    taylor_n_bound = sqrt(taylor_2_bound);
    1.58 -            static T const    upper_taylor_2_bound = one/taylor_2_bound;
    1.59 -            static T const    upper_taylor_n_bound = one/taylor_n_bound;
    1.60 -            
    1.61 -            if        (x >= +taylor_n_bound)
    1.62 -            {
    1.63 -                if        (x > upper_taylor_n_bound)
    1.64 -                {
    1.65 -                    if        (x > upper_taylor_2_bound)
    1.66 -                    {
    1.67 -                        // approximation by laurent series in 1/x at 0+ order from -1 to 0
    1.68 -                        return( log( x * two) );
    1.69 -                    }
    1.70 -                    else
    1.71 -                    {
    1.72 -                        // approximation by laurent series in 1/x at 0+ order from -1 to 1
    1.73 -                        return( log( x*two + (one/(x*two)) ) );
    1.74 -                    }
    1.75 -                }
    1.76 -                else
    1.77 -                {
    1.78 -                    return( log( x + sqrt(x*x+one) ) );
    1.79 -                }
    1.80 -            }
    1.81 -            else if    (x <= -taylor_n_bound)
    1.82 -            {
    1.83 -                return(-asinh(-x));
    1.84 -            }
    1.85 -            else
    1.86 -            {
    1.87 -                // approximation by taylor series in x at 0 up to order 2
    1.88 -                T    result = x;
    1.89 -                
    1.90 -                if    (abs(x) >= taylor_2_bound)
    1.91 -                {
    1.92 -                    T    x3 = x*x*x;
    1.93 -                    
    1.94 -                    // approximation by taylor series in x at 0 up to order 4
    1.95 -                    result -= x3/static_cast<T>(6);
    1.96 -                }
    1.97 -                
    1.98 -                return(result);
    1.99 -            }
   1.100 -        }
   1.101 -    }
   1.102 -}
   1.103 -
   1.104 -#endif /* BOOST_ASINH_HPP */