/usr/include/boost/math/complex/fabs.hpp is in libboost1.49-dev 1.49.0-3.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | // (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
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