14#include <Kokkos_Core.hpp>
16#include "ddc/coordinate.hpp"
17#include "ddc/discrete_domain.hpp"
18#include "ddc/discrete_element.hpp"
19#include "ddc/discrete_space.hpp"
20#include "ddc/discrete_vector.hpp"
21#include "ddc/real_type.hpp"
27struct PeriodicSamplingBase
47 template <
class DDim,
class MemorySpace>
50 template <
class ODDim,
class OMemorySpace>
58 std::size_t m_n_period {2};
73 template <
class OriginMemorySpace>
75 : m_origin(
impl.m_origin)
77 , m_n_period(
impl.m_n_period)
130 static_cast<int>((
icoord.uid() + m_n_period / 2 - 1) % m_n_period)
131 -
static_cast<int>(m_n_period / 2 - 1))
144 template <
class DDim>
157 return std::make_tuple(std::move(
disc), std::move(domain));
170 template <
class DDim>
202 return std::make_tuple(
219 template <
class DDim>
252 return out <<
"PeriodicSampling( origin=" <<
mesh.origin() <<
", step=" <<
mesh.step() <<
" )";
267KOKKOS_FUNCTION std::enable_if_t<is_periodic_sampling_v<DDim>, DiscreteElement<DDim>>
280template <
class DDim, std::enable_if_t<is_periodic_sampling_v<DDim>,
int> = 0>
282 DiscreteElement<DDim>
const&
c)
287template <
class DDim, std::enable_if_t<is_periodic_sampling_v<DDim>,
int> = 0>
289 DiscreteElement<DDim>)
294template <
class DDim, std::enable_if_t<is_periodic_sampling_v<DDim>,
int> = 0>
296 DiscreteElement<DDim>)
301template <
class DDim, std::enable_if_t<is_periodic_sampling_v<DDim>,
int> = 0>
308template <
class DDim, std::enable_if_t<is_periodic_sampling_v<DDim>,
int> = 0>
315template <
class DDim, std::enable_if_t<is_periodic_sampling_v<DDim>,
int> = 0>
Definition discrete_domain.hpp:51
KOKKOS_FUNCTION constexpr discrete_element_type front() const noexcept
Definition discrete_domain.hpp:154
A DiscreteVector is a vector in the discrete dimension.
Definition discrete_vector.hpp:254
Definition periodic_sampling.hpp:49
Impl(continuous_element_type origin, Real step, std::size_t n_period)
Construct a Impl from a point and a spacing step.
Definition periodic_sampling.hpp:89
KOKKOS_FUNCTION discrete_element_type front() const noexcept
Lower bound index of the mesh.
Definition periodic_sampling.hpp:107
Impl(Impl const &)=delete
KOKKOS_FUNCTION std::size_t n_period() const
Number of steps in a period.
Definition periodic_sampling.hpp:119
KOKKOS_FUNCTION continuous_element_type origin() const noexcept
Lower bound index of the mesh.
Definition periodic_sampling.hpp:101
KOKKOS_FUNCTION continuous_element_type coordinate(discrete_element_type const &icoord) const noexcept
Convert a mesh index into a position in CDim
Definition periodic_sampling.hpp:126
Impl(Impl< DDim, OriginMemorySpace > const &impl)
Definition periodic_sampling.hpp:74
KOKKOS_FUNCTION Real step() const
Spacing step of the mesh.
Definition periodic_sampling.hpp:113
PeriodicSampling models a periodic discretization of the provided continuous dimension.
Definition periodic_sampling.hpp:37
std::tuple< Impl< DDim, Kokkos::HostSpace >, DiscreteDomain< DDim >, DiscreteDomain< DDim >, DiscreteDomain< DDim >, DiscreteDomain< DDim > > init_ghosted(continuous_element_type a, continuous_element_type b, DiscreteVector< DDim > n, DiscreteVector< DDim > n_period, DiscreteVector< DDim > n_ghosts)
Construct a periodic DiscreteDomain from a segment and a number of points n.
Definition periodic_sampling.hpp:226
static std::tuple< typename DDim::template Impl< DDim, Kokkos::HostSpace >, DiscreteDomain< DDim > > init(Coordinate< CDim > a, Coordinate< CDim > b, DiscreteVector< DDim > n, DiscreteVector< DDim > n_period)
Construct a Impl<Kokkos::HostSpace> and associated discrete_domain_type from a segment and a number ...
Definition periodic_sampling.hpp:146
std::tuple< Impl< DDim, Kokkos::HostSpace >, DiscreteDomain< DDim >, DiscreteDomain< DDim >, DiscreteDomain< DDim >, DiscreteDomain< DDim > > init_ghosted(continuous_element_type a, continuous_element_type b, DiscreteVector< DDim > n, DiscreteVector< DDim > n_period, DiscreteVector< DDim > n_ghosts_before, DiscreteVector< DDim > n_ghosts_after)
Construct a periodic DiscreteDomain from a segment and a number of points n.
Definition periodic_sampling.hpp:177
Coordinate< CDim > continuous_element_type
Definition periodic_sampling.hpp:41
CDim continuous_dimension_type
Definition periodic_sampling.hpp:39
The top-level namespace of DDC.
Definition aligned_allocator.hpp:11
KOKKOS_FUNCTION std::enable_if_t< is_periodic_sampling_v< DDim >, Real > step() noexcept
Spacing step of the mesh.
Definition periodic_sampling.hpp:275
KOKKOS_FUNCTION std::enable_if_t< is_periodic_sampling_v< DDim >, Coordinate< typename DDim::continuous_dimension_type > > origin() noexcept
Lower bound index of the mesh.
Definition periodic_sampling.hpp:260
constexpr bool enable_chunk
Definition chunk_traits.hpp:16
KOKKOS_FUNCTION Coordinate< typename DDim::continuous_dimension_type > rmax(DiscreteDomain< DDim > const &d)
Definition non_uniform_point_sampling.hpp:182
KOKKOS_FUNCTION Coordinate< typename DDim::continuous_dimension_type... > coordinate(DiscreteElement< DDim... > const &c)
Definition coordinate.hpp:29
std::ostream & operator<<(std::ostream &out, DiscreteElement<> const &)
Definition discrete_element.hpp:319
KOKKOS_FUNCTION Coordinate< typename DDim::continuous_dimension_type > rlength(DiscreteDomain< DDim > const &d)
Definition non_uniform_point_sampling.hpp:189
KOKKOS_FUNCTION Coordinate< typename DDim::continuous_dimension_type > distance_at_left(DiscreteElement< DDim > i)
Definition non_uniform_point_sampling.hpp:161
KOKKOS_FUNCTION Coordinate< typename DDim::continuous_dimension_type > rmin(DiscreteDomain< DDim > const &d)
Definition non_uniform_point_sampling.hpp:175
float Real
Definition real_type.hpp:15
constexpr bool is_periodic_sampling_v
Definition periodic_sampling.hpp:243
KOKKOS_FUNCTION std::enable_if_t< is_periodic_sampling_v< DDim >, DiscreteElement< DDim > > front() noexcept
Lower bound index of the mesh.
Definition periodic_sampling.hpp:268
detail::TaggedVector< CoordinateElement, CDims... > Coordinate
A Coordinate represents a coordinate in the continuous space.
Definition coordinate.hpp:26
KOKKOS_FUNCTION Coordinate< typename DDim::continuous_dimension_type > distance_at_right(DiscreteElement< DDim > i)
Definition non_uniform_point_sampling.hpp:168
Definition periodic_sampling.hpp:239