#ifndef SPROUT_NUMERIC_DFT_FIXED_SINUSOID_HPP #define SPROUT_NUMERIC_DFT_FIXED_SINUSOID_HPP #include #include #include #include #include #include #include #include namespace sprout { namespace fixed { namespace detail { template inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm::type sinusoid_impl( Container const& cont, typename sprout::container_traits::value_type const& d, typename sprout::container_traits::value_type const& amplitude, typename sprout::container_traits::value_type const& phase, sprout::index_tuple, typename sprout::container_traits::difference_type offset, typename sprout::container_traits::size_type size ) { typedef typename sprout::container_traits::value_type value_type; using std::sin; return sprout::remake( cont, size, (Indexes >= offset && Indexes < offset + size ? amplitude * sin(d * value_type(Indexes) + phase) : *sprout::next(sprout::internal_begin(cont), Indexes) )... ); } template inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm::type sinusoid( Container const& cont, typename sprout::container_traits::value_type const& frequency, typename sprout::container_traits::value_type const& amplitude, typename sprout::container_traits::value_type const& phase ) { typedef typename sprout::container_traits::value_type value_type; return sprout::fixed::detail::sinusoid_impl( cont, value_type(2) * sprout::math::pi() * frequency / value_type(sprout::size(cont)), amplitude, phase, sprout::container_indexes::make(), sprout::internal_begin_offset(cont), sprout::size(cont) ); } } // namespace detail // // sinusoid // template inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm::type sinusoid( Container const& cont, typename sprout::container_traits::value_type const& frequency = 1, typename sprout::container_traits::value_type const& amplitude = 1, typename sprout::container_traits::value_type const& phase = 0 ) { return sprout::fixed::detail::sinusoid(cont, frequency, amplitude, phase); } } // namespace fixed using sprout::fixed::sinusoid; } // namespace sprout #endif // #ifndef SPROUT_NUMERIC_DFT_FIXED_SINUSOID_HPP