epoc32/include/stdapis/boost/math/complex/asinh.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
parent 3 e1b950c65cb4
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 //  (C) Copyright John Maddock 2005.
     2 //  Use, modification and distribution are subject to the
     3 //  Boost Software License, Version 1.0. (See accompanying file
     4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
     5 
     6 #ifndef BOOST_MATH_COMPLEX_ASINH_INCLUDED
     7 #define BOOST_MATH_COMPLEX_ASINH_INCLUDED
     8 
     9 #ifndef BOOST_MATH_COMPLEX_DETAILS_INCLUDED
    10 #  include <boost/math/complex/details.hpp>
    11 #endif
    12 #ifndef BOOST_MATH_COMPLEX_ASINH_INCLUDED
    13 #  include <boost/math/complex/asinh.hpp>
    14 #endif
    15 
    16 namespace boost{ namespace math{
    17 
    18 template<class T> 
    19 inline std::complex<T> asinh(const std::complex<T>& x)
    20 {
    21    //
    22    // We use asinh(z) = i asin(-i z);
    23    // Note that C99 defines this the other way around (which is
    24    // to say asin is specified in terms of asinh), this is consistent
    25    // with C99 though:
    26    //
    27    return ::boost::math::detail::mult_i(::boost::math::asin(::boost::math::detail::mult_minus_i(x)));
    28 }
    29 
    30 } } // namespaces
    31 
    32 #endif // BOOST_MATH_COMPLEX_ASINH_INCLUDED