| // (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_ASIN_INCLUDED | |
| # include <boost/math/complex/asin.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 |