You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
82 lines
2.3 KiB
82 lines
2.3 KiB
/////////////////////////////////////////////////////////////////////////////// |
|
/// \file complex.hpp |
|
/// |
|
// Copyright 2005 Eric Niebler. Distributed under 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_NUMERIC_FUNCTIONAL_COMPLEX_HPP_EAN_01_17_2006 |
|
#define BOOST_NUMERIC_FUNCTIONAL_COMPLEX_HPP_EAN_01_17_2006 |
|
|
|
#ifdef BOOST_NUMERIC_FUNCTIONAL_HPP_INCLUDED |
|
# error Include this file before boost/accumulators/numeric/functional.hpp |
|
#endif |
|
|
|
#include <complex> |
|
#include <boost/mpl/or.hpp> |
|
#include <boost/type_traits/is_same.hpp> |
|
#include <boost/utility/enable_if.hpp> |
|
#include <boost/typeof/std/complex.hpp> |
|
#include <boost/accumulators/numeric/functional_fwd.hpp> |
|
|
|
namespace boost { namespace numeric { namespace operators |
|
{ |
|
// So that the stats compile when Sample type is std::complex |
|
template<typename T, typename U> |
|
typename |
|
disable_if< |
|
mpl::or_<is_same<T, U>, is_same<std::complex<T>, U> > |
|
, std::complex<T> |
|
>::type |
|
operator *(std::complex<T> ri, U const &u) |
|
{ |
|
// BUGBUG promote result to typeof(T()*u) ? |
|
return ri *= static_cast<T>(u); |
|
} |
|
|
|
template<typename T, typename U> |
|
typename |
|
disable_if< |
|
mpl::or_<is_same<T, U>, is_same<std::complex<T>, U> > |
|
, std::complex<T> |
|
>::type |
|
operator /(std::complex<T> ri, U const &u) |
|
{ |
|
// BUGBUG promote result to typeof(T()*u) ? |
|
return ri /= static_cast<T>(u); |
|
} |
|
|
|
}}} // namespace boost::numeric::operators |
|
|
|
namespace boost { namespace numeric |
|
{ |
|
namespace detail |
|
{ |
|
template<typename T> |
|
struct one_complex |
|
{ |
|
static std::complex<T> const value; |
|
}; |
|
|
|
template<typename T> |
|
std::complex<T> const one_complex<T>::value |
|
= std::complex<T>(numeric::one<T>::value, numeric::one<T>::value); |
|
} |
|
|
|
/// INTERNAL ONLY |
|
/// |
|
template<typename T> |
|
struct one<std::complex<T> > |
|
: detail::one_complex<T> |
|
{ |
|
typedef one type; |
|
typedef std::complex<T> value_type; |
|
operator value_type const & () const |
|
{ |
|
return detail::one_complex<T>::value; |
|
} |
|
}; |
|
|
|
}} // namespace boost::numeric |
|
|
|
#endif
|
|
|