45#ifndef CLIPPER_FFTMAP_SPARSE
46#define CLIPPER_FFTMAP_SPARSE
71 ffttype*
map_uv(
const int& u,
const int& v );
73 std::complex<ffttype>*
map_kl(
const int& k,
const int& l );
103 void set_hkl(
const HKL& hkl,
const std::complex<ffttype>& f );
106 {
return map_kl( uvw.
v(), uvw.
w() )[ uvw.
u() ]; }
112 {
return row_uv( uvw.
u(), uvw.
v() )[ uvw.
w() ]; }
137 {
return map_uv( uvw.
u(), uvw.
v() )[ uvw.
w() ]; }
141 const std::complex<ffttype>
get_hkl(
const HKL& hkl )
const;
147 {
return row_kl( hkl.
v(), hkl.
w() )[ hkl.
u() ]; }
Simple 2-d array class.
Definition clipper_types.h:365
Grid coordinate.
Definition coords.h:237
const int & v() const
get v
Definition coords.h:249
const int & w() const
get w
Definition coords.h:250
const int & u() const
get u
Definition coords.h:248
base type for sparse P1 fft maps
Definition fftmap_sparse.h:56
Grid grid_reci_
reciprocal space grid
Definition fftmap_sparse.h:76
static FFTtype default_type_
default optimisation options
Definition fftmap_sparse.h:82
std::complex< ffttype > * map_kl(const int &k, const int &l)
return/create row
Definition fftmap_sparse.cpp:107
ffttype * map_uv(const int &u, const int &v)
return/create row
Definition fftmap_sparse.cpp:95
Grid_sampling grid_real_
real space grid
Definition fftmap_sparse.h:75
const Grid & grid_reci() const
get reciprocal grid
Definition fftmap_sparse.h:65
void init(const Grid_sampling &grid_sam, const FFTtype type=Default)
initialiser: takes grid
Definition fftmap_sparse.cpp:68
Array2d< std::complex< ffttype > * > row_kl
section map
Definition fftmap_sparse.h:79
~FFTmap_sparse_p1_base()
Destructor.
Definition fftmap_sparse.cpp:84
FFTtype type_
optimisation options
Definition fftmap_sparse.h:77
const Grid_sampling & grid_real() const
get real grid sampling
Definition fftmap_sparse.h:63
Array2d< ffttype * > row_uv
section map
Definition fftmap_sparse.h:80
static FFTtype & default_type()
set/get default optimisation type
Definition fftmap_sparse.h:68
FFTmap_sparse_p1_hx: low level sparse P1 map used for calculating FFTs.
Definition fftmap_sparse.h:92
void set_hkl(const HKL &hkl, const std::complex< ffttype > &f)
set reciprocal space data by hkl
Definition fftmap_sparse.cpp:143
void fft_h_to_x(const ftype &scale)
Transform to real space.
Definition fftmap_sparse.cpp:157
void require_real_data(const Coord_grid &uvw)
express need for real space data
Definition fftmap_sparse.h:108
const ffttype & real_data(const Coord_grid &uvw) const
get real space data ( uvw must be in grid_real() )
Definition fftmap_sparse.h:111
FFTmap_sparse_p1_hx()
Null constuctor.
Definition fftmap_sparse.cpp:120
std::complex< ffttype > & cplx_data(const Coord_grid &uvw)
set reciprocal space data (internal use)
Definition fftmap_sparse.h:105
FFTmap_sparse_p1_xh: low level sparse P1 map used for calculating FFTs.
Definition fftmap_sparse.h:125
void require_hkl(const HKL &hkl)
express need for reciprocal space data by hkl
Definition fftmap_sparse.cpp:255
void fft_x_to_h(const ftype &scale)
Transform to real space.
Definition fftmap_sparse.cpp:294
FFTmap_sparse_p1_xh()
Null constuctor.
Definition fftmap_sparse.cpp:243
ffttype & real_data(const Coord_grid &uvw)
set real space data ( uvw must be in grid_real() )
Definition fftmap_sparse.h:136
const std::complex< ffttype > get_hkl(const HKL &hkl) const
get reciprocal space data by hkl
Definition fftmap_sparse.cpp:267
void require_cplx_data(const Coord_grid &hkl)
express need for reciprocal space data (internal use)
Definition fftmap_sparse.h:143
const std::complex< ffttype > & cplx_data(const Coord_grid &hkl) const
get reciprocal space data (internal use)
Definition fftmap_sparse.h:146
Grid sampling of a unit cell.
Definition coords.h:516
generic grid
Definition coords.h:480
reflection 'Miller' index
Definition coords.h:146
ftype64 ftype
ftype definition for floating point representation
Definition clipper_precision.h:58