os/ossrv/ossrv_pub/boost_apis/boost/math/complex/asinh.hpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/math/complex/asinh.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,32 @@
     1.4 +//  (C) Copyright John Maddock 2005.
     1.5 +//  Use, modification and distribution are subject to the
     1.6 +//  Boost Software License, Version 1.0. (See accompanying file
     1.7 +//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
     1.8 +
     1.9 +#ifndef BOOST_MATH_COMPLEX_ASINH_INCLUDED
    1.10 +#define BOOST_MATH_COMPLEX_ASINH_INCLUDED
    1.11 +
    1.12 +#ifndef BOOST_MATH_COMPLEX_DETAILS_INCLUDED
    1.13 +#  include <boost/math/complex/details.hpp>
    1.14 +#endif
    1.15 +#ifndef BOOST_MATH_COMPLEX_ASINH_INCLUDED
    1.16 +#  include <boost/math/complex/asinh.hpp>
    1.17 +#endif
    1.18 +
    1.19 +namespace boost{ namespace math{
    1.20 +
    1.21 +template<class T> 
    1.22 +inline std::complex<T> asinh(const std::complex<T>& x)
    1.23 +{
    1.24 +   //
    1.25 +   // We use asinh(z) = i asin(-i z);
    1.26 +   // Note that C99 defines this the other way around (which is
    1.27 +   // to say asin is specified in terms of asinh), this is consistent
    1.28 +   // with C99 though:
    1.29 +   //
    1.30 +   return ::boost::math::detail::mult_i(::boost::math::asin(::boost::math::detail::mult_minus_i(x)));
    1.31 +}
    1.32 +
    1.33 +} } // namespaces
    1.34 +
    1.35 +#endif // BOOST_MATH_COMPLEX_ASINH_INCLUDED