T
interpolate(
fcppt::container::grid::object<
T,
N,
A
> const &_grid,
fcppt::math::vector::static_<
F,
N
> const &_floating_point_position,
Interpolator const &_interpolator
)
{
typedef
fcppt::container::grid::object<
T,
N,
A
>
grid_type;
typedef
fcppt::container::grid::pos_type<
grid_type
>
integer_vector_type;
typedef
std::array<
integer_vector_type,
fcppt::math::power_of_2<
std::size_t
>(
N
)
>
binary_vector_array_type;
typedef
typename
binary_vector_array_type::size_type
binary_vector_array_type_size_type;
typedef
F
vector_value_type;
integer_vector_type const floored(
fcppt::math::vector::to_unsigned(
fcppt::math::vector::structure_cast<
typename
grid_type::signed_pos,
fcppt::cast::float_to_int_fun
>(
_floating_point_position
)
)
);
binary_vector_array_type binary_vectors(
fcppt::math::vector::bit_strings<
fcppt::type_traits::value_type<
integer_vector_type
>,
N
>()
);
for(
integer_vector_type &i : binary_vectors
)
i += floored;
return
fcppt::container::grid::detail::interpolate<
integer_vector_type::dim_wrapper::value
>(
_grid,
binary_vectors,
fcppt::literal<
binary_vector_array_type_size_type
>(
0
),
fcppt::math::vector::mod(
_floating_point_position,
fcppt::literal<
vector_value_type
>(
1
)
).get_unsafe(),
_interpolator
);
}
typename Grid::value_type
interpolate(
Grid const &grid,
Vector const &floating_point_position,
Interpolator const &interpolator)
{
typedef
typename
Grid::pos
integer_vector_type;
typedef
std::array
<
integer_vector_type,
fcppt::literal<
std::size_t
>(
1u
)
<<
integer_vector_type::dim_wrapper::value
>
binary_vector_array_type;
typedef typename
binary_vector_array_type::size_type
binary_vector_array_type_size_type;
typedef typename
Vector::value_type
vector_value_type;
integer_vector_type const floored(
fcppt::math::vector::to_unsigned(
fcppt::math::vector::structure_cast<
typename
Grid::signed_pos,
fcppt::cast::float_to_int_fun
>(
floating_point_position
)
)
);
binary_vector_array_type binary_vectors(
fcppt::math::generate_binary_vectors
<
typename integer_vector_type::value_type,
integer_vector_type::dim_wrapper::value
>());
for(
integer_vector_type &i : binary_vectors
)
i += floored;
return
fcppt::container::grid::detail::interpolate<
integer_vector_type::dim_wrapper::value
>(
grid,
binary_vectors,
fcppt::literal<
binary_vector_array_type_size_type
>(
0
),
fcppt::math::vector::mod(
floating_point_position,
fcppt::literal<
vector_value_type
>(
1
)
),
interpolator
);
}
