ceph/src/boost/boost/math/complex/fabs.hpp

   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_FABS_INCLUDED
   7 #define BOOST_MATH_COMPLEX_FABS_INCLUDED
   8
   9 #ifndef BOOST_MATH_HYPOT_INCLUDED
  10 #  include <boost/math/special_functions/hypot.hpp>
  11 #endif
  12
  13 namespace boost{ namespace math{
  14
  15 template<class T>
  16 inline T fabs(const std::complex<T>& z)
  17 {
  18    return ::boost::math::hypot(z.real(), z.imag());
  19 }
  20
  21 } } // namespaces
  22
  23 #endif // BOOST_MATH_COMPLEX_FABS_INCLUDED