//  (C) Copyright John Maddock 2005.

//  Use, modification and distribution are subject to the

//  Boost Software License, Version 1.0. (See accompanying file

//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#ifndef BOOST_MATH_COMPLEX_ASINH_INCLUDED

#define BOOST_MATH_COMPLEX_ASINH_INCLUDED

#ifndef BOOST_MATH_COMPLEX_DETAILS_INCLUDED

#  include <boost/math/complex/details.hpp>

#endif

#ifndef BOOST_MATH_COMPLEX_ASINH_INCLUDED

#  include <boost/math/complex/asinh.hpp>

#endif

namespace boost{ namespace math{

template<class T> 

inline std::complex<T> asinh(const std::complex<T>& x)

{

   //

   // We use asinh(z) = i asin(-i z);

   // Note that C99 defines this the other way around (which is

   // to say asin is specified in terms of asinh), this is consistent

   // with C99 though:

   //

   return ::boost::math::detail::mult_i(::boost::math::asin(::boost::math::detail::mult_minus_i(x)));

}

} } // namespaces

#endif // BOOST_MATH_COMPLEX_ASINH_INCLUDED