fabs.hpp 618 B

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