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Sprout/sprout/numeric/dft/fit/triangle.hpp
2017-07-29 14:20:01 +09:00

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2.7 KiB
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/*=============================================================================
Copyright (c) 2011-2017 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
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 SPROUT_NUMERIC_DFT_FIT_TRINAGLE_HPP
#define SPROUT_NUMERIC_DFT_FIT_TRINAGLE_HPP
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/numeric/dft/fixed/triangle.hpp>
#include <sprout/algorithm/fit/results.hpp>
#include <sprout/sub_array/sub_array.hpp>
#include <sprout/sub_array/sub.hpp>
#include <sprout/pit/pit.hpp>
namespace sprout {
namespace fit {
namespace detail {
template<typename Container>
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Container>::type
triangle_impl(
Container const& cont,
typename sprout::container_traits<Container>::value_type const& frequency,
typename sprout::container_traits<Container>::value_type const& amplitude,
typename sprout::container_traits<Container>::value_type const& phase,
typename sprout::container_traits<Container>::difference_type offset
)
{
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::triangle(cont, frequency, amplitude, phase)),
offset,
offset + sprout::size(cont)
);
}
} // namespace detail
//
// triangle
//
template<typename Container>
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Container>::type
triangle(
Container const& cont,
typename sprout::container_traits<Container>::value_type const& frequency = 1,
typename sprout::container_traits<Container>::value_type const& amplitude = 1,
typename sprout::container_traits<Container>::value_type const& phase = 0
)
{
return sprout::fit::detail::triangle_impl(cont, frequency, amplitude, phase, sprout::internal_begin_offset(cont));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename sprout::fit::results::algorithm<Container>::type
triangle(
typename sprout::container_traits<Container>::value_type const& frequency = 1,
typename sprout::container_traits<Container>::value_type const& amplitude = 1,
typename sprout::container_traits<Container>::value_type const& phase = 0
)
{
return sprout::fit::triangle(sprout::pit<Container>(), frequency, amplitude, phase);
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_NUMERIC_DFT_FIT_TRINAGLE_HPP