liuxiaolong
2021-07-20 58d904a328c0d849769b483e901a0be9426b8209
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//  (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_FABS_INCLUDED
#define BOOST_MATH_COMPLEX_FABS_INCLUDED
 
#ifndef BOOST_MATH_HYPOT_INCLUDED
#  include <boost/math/special_functions/hypot.hpp>
#endif
 
namespace boost{ namespace math{
 
template<class T> 
inline T fabs(const std::complex<T>& z)
{
   return ::boost::math::hypot(z.real(), z.imag());
}
 
} } // namespaces
 
#endif // BOOST_MATH_COMPLEX_FABS_INCLUDED