| NFFT 3.5.0

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nfft3.h File Reference

Header file for the nfft3 library. More...

`#include <fftw3.h>`
Include dependency graph for nfft3.h:

Go to the source code of this file.

## Data Structures
struct | nfftf_mv_plan_complex
struct | nfftf_mv_plan_double
struct | nfftf_plan
| data structure for an NFFT (nonequispaced fast Fourier transform) plan with float precision More...
struct | nfft_mv_plan_complex
struct | nfft_mv_plan_double
struct | nfft_plan
| data structure for an NFFT (nonequispaced fast Fourier transform) plan with double precision More...
struct | nfftl_mv_plan_complex
struct | nfftl_mv_plan_double
struct | nfftl_plan
| data structure for an NFFT (nonequispaced fast Fourier transform) plan with long double precision More...
struct | nfctf_plan
| data structure for an NFCT (nonequispaced fast cosine transform) plan with float precision More...
struct | nfct_plan
| data structure for an NFCT (nonequispaced fast cosine transform) plan with double precision More...
struct | nfctl_plan
| data structure for an NFCT (nonequispaced fast cosine transform) plan with long double precision More...
struct | nfstf_plan
| data structure for an NFST (nonequispaced fast sine transform) plan with float precision More...
struct | nfst_plan
| data structure for an NFST (nonequispaced fast sine transform) plan with double precision More...
struct | nfstl_plan
| data structure for an NFST (nonequispaced fast sine transform) plan with long double precision More...
struct | nnfftf_plan
| data structure for an NNFFT (nonequispaced in time and frequency fast Fourier transform) plan with float precision More...
struct | nnfft_plan
| data structure for an NNFFT (nonequispaced in time and frequency fast Fourier transform) plan with double precision More...
struct | nnfftl_plan
| data structure for an NNFFT (nonequispaced in time and frequency fast Fourier transform) plan with long double precision More...
struct | nsfftf_plan
| data structure for an NSFFT (nonequispaced sparse fast Fourier transform) plan with float precision More...
struct | nsfft_plan
| data structure for an NSFFT (nonequispaced sparse fast Fourier transform) plan with double precision More...
struct | nsfftl_plan
| data structure for an NSFFT (nonequispaced sparse fast Fourier transform) plan with long double precision More...
struct | mrif_inh_2d1d_plan
struct | mrif_inh_3d_plan
struct | mri_inh_2d1d_plan
struct | mri_inh_3d_plan
struct | mril_inh_2d1d_plan
struct | mril_inh_3d_plan
struct | nfsftf_plan
| data structure for an NFSFT (nonequispaced fast spherical Fourier transform) plan with float precision More...
struct | nfsft_plan
| data structure for an NFSFT (nonequispaced fast spherical Fourier transform) plan with double precision More...
struct | nfsftl_plan
| data structure for an NFSFT (nonequispaced fast spherical Fourier transform) plan with long double precision More...
struct | nfsoftf_plan_
struct | nfsoft_plan_
struct | nfsoftl_plan_
struct | solverf_plan_complex
| data structure for an inverse NFFT plan with float precision More...
struct | solverf_plan_double
| data structure for an inverse NFFT plan with float precision More...
struct | solver_plan_complex
| data structure for an inverse NFFT plan with double precision More...
struct | solver_plan_double
| data structure for an inverse NFFT plan with double precision More...
struct | solverl_plan_complex
| data structure for an inverse NFFT plan with long double precision More...
struct | solverl_plan_double
| data structure for an inverse NFFT plan with long double precision More...

## Macros
#define | NFFT_CONCAT(prefix, name) prefix ## name
#define | NFFT_EXTERN extern
#define | MACRO_MV_PLAN(RC)
| Adjoint transform. More...
#define | NFFT_MANGLE_DOUBLE(name) NFFT_CONCAT(nfft_, name)
#define | NFFT_MANGLE_FLOAT(name) NFFT_CONCAT(nfftf_, name)
#define | NFFT_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(nfftl_, name)
#define | NFFT_DEFINE_MALLOC_API(X)
#define | NFFT_DEFINE_API(X, Y, R, C)
#define | PRE_PHI_HUT (1U<<0)
#define | FG_PSI (1U<<1)
#define | PRE_LIN_PSI (1U<<2)
#define | PRE_FG_PSI (1U<<3)
#define | PRE_PSI (1U<<4)
#define | PRE_FULL_PSI (1U<<5)
#define | MALLOC_X (1U<<6)
#define | MALLOC_F_HAT (1U<<7)
#define | MALLOC_F (1U<<8)
#define | FFT_OUT_OF_PLACE (1U<<9)
#define | FFTW_INIT (1U<<10)
#define | NFFT_SORT_NODES (1U<<11)
#define | NFFT_OMP_BLOCKWISE_ADJOINT (1U<<12)
#define | PRE_ONE_PSI (PRE_LIN_PSI| PRE_FG_PSI| PRE_PSI| PRE_FULL_PSI)
#define | NFCT_MANGLE_DOUBLE(name) NFFT_CONCAT(nfct_, name)
#define | NFCT_MANGLE_FLOAT(name) NFFT_CONCAT(nfctf_, name)
#define | NFCT_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(nfctl_, name)
#define | NFCT_DEFINE_API(X, Y, R, C)
#define | NFST_MANGLE_DOUBLE(name) NFFT_CONCAT(nfst_, name)
#define | NFST_MANGLE_FLOAT(name) NFFT_CONCAT(nfstf_, name)
#define | NFST_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(nfstl_, name)
#define | NFST_DEFINE_API(X, Y, R, C)
#define | NNFFT_MANGLE_DOUBLE(name) NFFT_CONCAT(nnfft_, name)
#define | NNFFT_MANGLE_FLOAT(name) NFFT_CONCAT(nnfftf_, name)
#define | NNFFT_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(nnfftl_, name)
#define | NNFFT_DEFINE_API(X, Y, Z, R, C)
#define | MALLOC_V (1U<< 11)
#define | NSFFT_MANGLE_DOUBLE(name) NFFT_CONCAT(nsfft_, name)
#define | NSFFT_MANGLE_FLOAT(name) NFFT_CONCAT(nsfftf_, name)
#define | NSFFT_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(nsfftl_, name)
#define | NSFFT_DEFINE_API(X, Y, Z, R, C)
#define | NSDFT (1U<< 12)
#define | MRI_MANGLE_DOUBLE(name) NFFT_CONCAT(mri_, name)
#define | MRI_MANGLE_FLOAT(name) NFFT_CONCAT(mrif_, name)
#define | MRI_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(mril_, name)
#define | MRI_DEFINE_API(X, Z, R, C)
#define | NFSFT_MANGLE_DOUBLE(name) NFFT_CONCAT(nfsft_, name)
#define | NFSFT_MANGLE_FLOAT(name) NFFT_CONCAT(nfsftf_, name)
#define | NFSFT_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(nfsftl_, name)
#define | NFSFT_DEFINE_API(X, Z, R, C)
#define | NFSFT_NORMALIZED (1U << 0)
#define | NFSFT_USE_NDFT (1U << 1)
#define | NFSFT_USE_DPT (1U << 2)
#define | NFSFT_MALLOC_X (1U << 3)
#define | NFSFT_MALLOC_F_HAT (1U << 5)
#define | NFSFT_MALLOC_F (1U << 6)
#define | NFSFT_PRESERVE_F_HAT (1U << 7)
#define | NFSFT_PRESERVE_X (1U << 8)
#define | NFSFT_PRESERVE_F (1U << 9)
#define | NFSFT_DESTROY_F_HAT (1U << 10)
#define | NFSFT_DESTROY_X (1U << 11)
#define | NFSFT_DESTROY_F (1U << 12)
#define | NFSFT_NO_DIRECT_ALGORITHM (1U << 13)
#define | NFSFT_NO_FAST_ALGORITHM (1U << 14)
#define | NFSFT_ZERO_F_HAT (1U << 16)
#define | NFSFT_INDEX(k, n, plan) ((2*(plan)->N+2)*((plan)->N-n+1)+(plan)->N+k+1)
#define | NFSFT_F_HAT_SIZE(N) ((2*N+2)*(2*N+2))
#define | FPT_MANGLE_DOUBLE(name) NFFT_CONCAT(fpt_, name)
#define | FPT_MANGLE_FLOAT(name) NFFT_CONCAT(fptf_, name)
#define | FPT_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(fptl_, name)
#define | FPT_DEFINE_API(X, Y, R, C)
#define | FPT_NO_STABILIZATION (1U << 0)
| If set, no stabilization will be used.
#define | FPT_NO_FAST_ALGORITHM (1U << 2)
| If set, TODO complete comment.
#define | FPT_NO_DIRECT_ALGORITHM (1U << 3)
| If set, TODO complete comment.
#define | FPT_PERSISTENT_DATA (1U << 4)
| If set, TODO complete comment.
#define | FPT_NO_INIT_FPT_DATA (1U << 7)
#define | FPT_FUNCTION_VALUES (1U << 5)
| If set, the output are function values at Chebyshev nodes rather than Chebyshev coefficients.
#define | FPT_AL_SYMMETRY (1U << 6)
| If set, TODO complete comment.
#define | NFSOFT_MANGLE_DOUBLE(name) NFFT_CONCAT(nfsoft_, name)
#define | NFSOFT_MANGLE_FLOAT(name) NFFT_CONCAT(nfsoftf_, name)
#define | NFSOFT_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(nfsoftl_, name)
#define | NFSOFT_DEFINE_API(X, Y, Z, R, C)
#define | NFSOFT_NORMALIZED (1U << 0)
#define | NFSOFT_USE_NDFT (1U << 1)
#define | NFSOFT_USE_DPT (1U << 2)
#define | NFSOFT_MALLOC_X (1U << 3)
#define | NFSOFT_REPRESENT (1U << 4)
#define | NFSOFT_MALLOC_F_HAT (1U << 5)
#define | NFSOFT_MALLOC_F (1U << 6)
#define | NFSOFT_PRESERVE_F_HAT (1U << 7)
#define | NFSOFT_PRESERVE_X (1U << 8)
#define | NFSOFT_PRESERVE_F (1U << 9)
#define | NFSOFT_DESTROY_F_HAT (1U << 10)
#define | NFSOFT_DESTROY_X (1U << 11)
#define | NFSOFT_DESTROY_F (1U << 12)
#define | NFSOFT_NO_STABILIZATION (1U << 13)
#define | NFSOFT_CHOOSE_DPT (1U << 14)
#define | NFSOFT_SOFT (1U << 15)
#define | NFSOFT_ZERO_F_HAT (1U << 16)
#define | NFSOFT_INDEX(m, n, l, B) (((l)+((B)+1))+(2*(B)+2)*(((n)+((B)+1))+(2*(B)+2)*((m)+((B)+1))))
#define | NFSOFT_F_HAT_SIZE(B) (((B)+1)*(4*((B)+1)*((B)+1)-1)/3)
#define | SOLVER_MANGLE_DOUBLE(name) NFFT_CONCAT(solver_, name)
#define | SOLVER_MANGLE_FLOAT(name) NFFT_CONCAT(solverf_, name)
#define | SOLVER_MANGLE_LONG_DOUBLE(name) NFFT_CONCAT(solverl_, name)
#define | SOLVER_DEFINE_API(X, Y, R, C)
#define | LANDWEBER (1U<< 0)
#define | STEEPEST_DESCENT (1U<< 1)
#define | CGNR (1U<< 2)
#define | CGNE (1U<< 3)
#define | NORMS_FOR_LANDWEBER (1U<< 4)
#define | PRECOMPUTE_WEIGHT (1U<< 5)
#define | PRECOMPUTE_DAMP (1U<< 6)
#define | NFFT_DEFINE_UTIL_API(Y, R, C)

## Typedefs
typedef ptrdiff_t | NFFT_INT
typedef void *(* | nfftf_malloc_type_function) (size_t n)
typedef void(* | nfftf_free_type_function) (void *p)
typedef void(* | nfftf_die_type_function) (const char *errString)
typedef void *(* | nfft_malloc_type_function) (size_t n)
typedef void(* | nfft_free_type_function) (void *p)
typedef void(* | nfft_die_type_function) (const char *errString)
typedef void *(* | nfftl_malloc_type_function) (size_t n)
typedef void(* | nfftl_free_type_function) (void *p)
typedef void(* | nfftl_die_type_function) (const char *errString)
typedef struct fptf_set_s_ * | fptf_set
| A set of precomputed data for a set of DPT transforms of equal maximum length. More...
typedef struct fpt_set_s_ * | fpt_set
| A set of precomputed data for a set of DPT transforms of equal maximum length. More...
typedef struct fptl_set_s_ * | fptl_set
| A set of precomputed data for a set of DPT transforms of equal maximum length. More...
typedef struct nfsoftf_plan_ | nfsoftf_plan
typedef struct nfsoft_plan_ | nfsoft_plan
typedef struct nfsoftl_plan_ | nfsoftl_plan

## Functions
void * | nfftf_malloc (size_t n)
void | nfftf_free (void *p)
void | nfftf_die (const char *s)
void * | nfft_malloc (size_t n)
void | nfft_free (void *p)
void | nfft_die (const char *s)
void * | nfftl_malloc (size_t n)
void | nfftl_free (void *p)
void | nfftl_die (const char *s)
void | nfftf_trafo_direct (const nfftf_plan *ths)
void | nfftf_adjoint_direct (const nfftf_plan *ths)
void | nfftf_trafo (nfftf_plan *ths)
void | nfftf_trafo_1d (nfftf_plan *ths)
void | nfftf_trafo_2d (nfftf_plan *ths)
void | nfftf_trafo_3d (nfftf_plan *ths)
void | nfftf_adjoint (nfftf_plan *ths)
void | nfftf_adjoint_1d (nfftf_plan *ths)
void | nfftf_adjoint_2d (nfftf_plan *ths)
void | nfftf_adjoint_3d (nfftf_plan *ths)
void | nfftf_init_1d (nfftf_plan *ths, int N1, int M)
void | nfftf_init_2d (nfftf_plan *ths, int N1, int N2, int M)
void | nfftf_init_3d (nfftf_plan *ths, int N1, int N2, int N3, int M)
void | nfftf_init (nfftf_plan *ths, int d, int *N, int M)
void | nfftf_init_guru (nfftf_plan *ths, int d, int *N, int M, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfftf_init_lin (nfftf_plan *ths, int d, int *N, int M, int *n, int m, int K, unsigned flags, unsigned fftw_flags)
void | nfftf_precompute_one_psi (nfftf_plan *ths)
void | nfftf_precompute_psi (nfftf_plan *ths)
void | nfftf_precompute_full_psi (nfftf_plan *ths)
void | nfftf_precompute_fg_psi (nfftf_plan *ths)
void | nfftf_precompute_lin_psi (nfftf_plan *ths)
const char * | nfftf_check (nfftf_plan *ths)
void | nfftf_finalize (nfftf_plan *ths)
void | nfft_trafo_direct (const nfft_plan *ths)
void | nfft_adjoint_direct (const nfft_plan *ths)
void | nfft_trafo (nfft_plan *ths)
void | nfft_trafo_1d (nfft_plan *ths)
void | nfft_trafo_2d (nfft_plan *ths)
void | nfft_trafo_3d (nfft_plan *ths)
void | nfft_adjoint (nfft_plan *ths)
void | nfft_adjoint_1d (nfft_plan *ths)
void | nfft_adjoint_2d (nfft_plan *ths)
void | nfft_adjoint_3d (nfft_plan *ths)
void | nfft_init_1d (nfft_plan *ths, int N1, int M)
void | nfft_init_2d (nfft_plan *ths, int N1, int N2, int M)
void | nfft_init_3d (nfft_plan *ths, int N1, int N2, int N3, int M)
void | nfft_init (nfft_plan *ths, int d, int *N, int M)
void | nfft_init_guru (nfft_plan *ths, int d, int *N, int M, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfft_init_lin (nfft_plan *ths, int d, int *N, int M, int *n, int m, int K, unsigned flags, unsigned fftw_flags)
void | nfft_precompute_one_psi (nfft_plan *ths)
void | nfft_precompute_psi (nfft_plan *ths)
void | nfft_precompute_full_psi (nfft_plan *ths)
void | nfft_precompute_fg_psi (nfft_plan *ths)
void | nfft_precompute_lin_psi (nfft_plan *ths)
const char * | nfft_check (nfft_plan *ths)
void | nfft_finalize (nfft_plan *ths)
void | nfftl_trafo_direct (const nfftl_plan *ths)
void | nfftl_adjoint_direct (const nfftl_plan *ths)
void | nfftl_trafo (nfftl_plan *ths)
void | nfftl_trafo_1d (nfftl_plan *ths)
void | nfftl_trafo_2d (nfftl_plan *ths)
void | nfftl_trafo_3d (nfftl_plan *ths)
void | nfftl_adjoint (nfftl_plan *ths)
void | nfftl_adjoint_1d (nfftl_plan *ths)
void | nfftl_adjoint_2d (nfftl_plan *ths)
void | nfftl_adjoint_3d (nfftl_plan *ths)
void | nfftl_init_1d (nfftl_plan *ths, int N1, int M)
void | nfftl_init_2d (nfftl_plan *ths, int N1, int N2, int M)
void | nfftl_init_3d (nfftl_plan *ths, int N1, int N2, int N3, int M)
void | nfftl_init (nfftl_plan *ths, int d, int *N, int M)
void | nfftl_init_guru (nfftl_plan *ths, int d, int *N, int M, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfftl_init_lin (nfftl_plan *ths, int d, int *N, int M, int *n, int m, int K, unsigned flags, unsigned fftw_flags)
void | nfftl_precompute_one_psi (nfftl_plan *ths)
void | nfftl_precompute_psi (nfftl_plan *ths)
void | nfftl_precompute_full_psi (nfftl_plan *ths)
void | nfftl_precompute_fg_psi (nfftl_plan *ths)
void | nfftl_precompute_lin_psi (nfftl_plan *ths)
const char * | nfftl_check (nfftl_plan *ths)
void | nfftl_finalize (nfftl_plan *ths)
void | nfctf_init_1d (nfctf_plan *ths_plan, int N0, int M_total)
void | nfctf_init_2d (nfctf_plan *ths_plan, int N0, int N1, int M_total)
void | nfctf_init_3d (nfctf_plan *ths_plan, int N0, int N1, int N2, int M_total)
void | nfctf_init (nfctf_plan *ths_plan, int d, int *N, int M_total)
void | nfctf_init_guru (nfctf_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfctf_precompute_one_psi (nfctf_plan *ths)
void | nfctf_precompute_psi (nfctf_plan *ths)
void | nfctf_precompute_full_psi (nfctf_plan *ths)
void | nfctf_precompute_fg_psi (nfctf_plan *ths)
void | nfctf_precompute_lin_psi (nfctf_plan *ths)
void | nfctf_trafo (nfctf_plan *ths_plan)
void | nfctf_trafo_direct (const nfctf_plan *ths_plan)
void | nfctf_adjoint (nfctf_plan *ths_plan)
void | nfctf_adjoint_direct (const nfctf_plan *ths_plan)
const char * | nfctf_check (nfctf_plan *ths)
void | nfctf_finalize (nfctf_plan *ths_plan)
void | nfct_init_1d (nfct_plan *ths_plan, int N0, int M_total)
void | nfct_init_2d (nfct_plan *ths_plan, int N0, int N1, int M_total)
void | nfct_init_3d (nfct_plan *ths_plan, int N0, int N1, int N2, int M_total)
void | nfct_init (nfct_plan *ths_plan, int d, int *N, int M_total)
void | nfct_init_guru (nfct_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfct_precompute_one_psi (nfct_plan *ths)
void | nfct_precompute_psi (nfct_plan *ths)
void | nfct_precompute_full_psi (nfct_plan *ths)
void | nfct_precompute_fg_psi (nfct_plan *ths)
void | nfct_precompute_lin_psi (nfct_plan *ths)
void | nfct_trafo (nfct_plan *ths_plan)
void | nfct_trafo_direct (const nfct_plan *ths_plan)
void | nfct_adjoint (nfct_plan *ths_plan)
void | nfct_adjoint_direct (const nfct_plan *ths_plan)
const char * | nfct_check (nfct_plan *ths)
void | nfct_finalize (nfct_plan *ths_plan)
void | nfctl_init_1d (nfctl_plan *ths_plan, int N0, int M_total)
void | nfctl_init_2d (nfctl_plan *ths_plan, int N0, int N1, int M_total)
void | nfctl_init_3d (nfctl_plan *ths_plan, int N0, int N1, int N2, int M_total)
void | nfctl_init (nfctl_plan *ths_plan, int d, int *N, int M_total)
void | nfctl_init_guru (nfctl_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfctl_precompute_one_psi (nfctl_plan *ths)
void | nfctl_precompute_psi (nfctl_plan *ths)
void | nfctl_precompute_full_psi (nfctl_plan *ths)
void | nfctl_precompute_fg_psi (nfctl_plan *ths)
void | nfctl_precompute_lin_psi (nfctl_plan *ths)
void | nfctl_trafo (nfctl_plan *ths_plan)
void | nfctl_trafo_direct (const nfctl_plan *ths_plan)
void | nfctl_adjoint (nfctl_plan *ths_plan)
void | nfctl_adjoint_direct (const nfctl_plan *ths_plan)
const char * | nfctl_check (nfctl_plan *ths)
void | nfctl_finalize (nfctl_plan *ths_plan)
void | nfstf_init_1d (nfstf_plan *ths_plan, int N0, int M_total)
void | nfstf_init_2d (nfstf_plan *ths_plan, int N0, int N1, int M_total)
void | nfstf_init_3d (nfstf_plan *ths_plan, int N0, int N1, int N2, int M_total)
void | nfstf_init (nfstf_plan *ths_plan, int d, int *N, int M_total)
void | nfstf_init_guru (nfstf_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfstf_precompute_one_psi (nfstf_plan *ths)
void | nfstf_precompute_psi (nfstf_plan *ths)
void | nfstf_precompute_full_psi (nfstf_plan *ths)
void | nfstf_precompute_fg_psi (nfstf_plan *ths)
void | nfstf_precompute_lin_psi (nfstf_plan *ths)
void | nfstf_trafo (nfstf_plan *ths_plan)
void | nfstf_trafo_direct (const nfstf_plan *ths_plan)
void | nfstf_adjoint (nfstf_plan *ths_plan)
void | nfstf_adjoint_direct (const nfstf_plan *ths_plan)
const char * | nfstf_check (nfstf_plan *ths)
void | nfstf_finalize (nfstf_plan *ths_plan)
void | nfst_init_1d (nfst_plan *ths_plan, int N0, int M_total)
void | nfst_init_2d (nfst_plan *ths_plan, int N0, int N1, int M_total)
void | nfst_init_3d (nfst_plan *ths_plan, int N0, int N1, int N2, int M_total)
void | nfst_init (nfst_plan *ths_plan, int d, int *N, int M_total)
void | nfst_init_guru (nfst_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfst_precompute_one_psi (nfst_plan *ths)
void | nfst_precompute_psi (nfst_plan *ths)
void | nfst_precompute_full_psi (nfst_plan *ths)
void | nfst_precompute_fg_psi (nfst_plan *ths)
void | nfst_precompute_lin_psi (nfst_plan *ths)
void | nfst_trafo (nfst_plan *ths_plan)
void | nfst_trafo_direct (const nfst_plan *ths_plan)
void | nfst_adjoint (nfst_plan *ths_plan)
void | nfst_adjoint_direct (const nfst_plan *ths_plan)
const char * | nfst_check (nfst_plan *ths)
void | nfst_finalize (nfst_plan *ths_plan)
void | nfstl_init_1d (nfstl_plan *ths_plan, int N0, int M_total)
void | nfstl_init_2d (nfstl_plan *ths_plan, int N0, int N1, int M_total)
void | nfstl_init_3d (nfstl_plan *ths_plan, int N0, int N1, int N2, int M_total)
void | nfstl_init (nfstl_plan *ths_plan, int d, int *N, int M_total)
void | nfstl_init_guru (nfstl_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned flags, unsigned fftw_flags)
void | nfstl_precompute_one_psi (nfstl_plan *ths)
void | nfstl_precompute_psi (nfstl_plan *ths)
void | nfstl_precompute_full_psi (nfstl_plan *ths)
void | nfstl_precompute_fg_psi (nfstl_plan *ths)
void | nfstl_precompute_lin_psi (nfstl_plan *ths)
void | nfstl_trafo (nfstl_plan *ths_plan)
void | nfstl_trafo_direct (const nfstl_plan *ths_plan)
void | nfstl_adjoint (nfstl_plan *ths_plan)
void | nfstl_adjoint_direct (const nfstl_plan *ths_plan)
const char * | nfstl_check (nfstl_plan *ths)
void | nfstl_finalize (nfstl_plan *ths_plan)
void | nnfftf_init (nnfftf_plan *ths_plan, int d, int N_total, int M_total, int *N)
void | nnfftf_init_1d (nnfftf_plan *ths_plan, int N, int M_total)
void | nnfftf_init_guru (nnfftf_plan *ths_plan, int d, int N_total, int M_total, int *N, int *N1, int m, unsigned nnfft_flags)
void | nnfftf_trafo_direct (nnfftf_plan *ths_plan)
void | nnfftf_adjoint_direct (nnfftf_plan *ths_plan)
void | nnfftf_trafo (nnfftf_plan *ths_plan)
void | nnfftf_adjoint (nnfftf_plan *ths_plan)
void | nnfftf_precompute_lin_psi (nnfftf_plan *ths_plan)
void | nnfftf_precompute_psi (nnfftf_plan *ths_plan)
void | nnfftf_precompute_full_psi (nnfftf_plan *ths_plan)
void | nnfftf_precompute_phi_hut (nnfftf_plan *ths_plan)
void | nnfftf_precompute_one_psi (nnfftf_plan *ths)
void | nnfftf_finalize (nnfftf_plan *ths_plan)
void | nnfft_init (nnfft_plan *ths_plan, int d, int N_total, int M_total, int *N)
void | nnfft_init_1d (nnfft_plan *ths_plan, int N, int M_total)
void | nnfft_init_guru (nnfft_plan *ths_plan, int d, int N_total, int M_total, int *N, int *N1, int m, unsigned nnfft_flags)
void | nnfft_trafo_direct (nnfft_plan *ths_plan)
void | nnfft_adjoint_direct (nnfft_plan *ths_plan)
void | nnfft_trafo (nnfft_plan *ths_plan)
| user routines More...
void | nnfft_adjoint (nnfft_plan *ths_plan)
void | nnfft_precompute_lin_psi (nnfft_plan *ths_plan)
| create a lookup table More...
void | nnfft_precompute_psi (nnfft_plan *ths_plan)
void | nnfft_precompute_full_psi (nnfft_plan *ths_plan)
| computes all entries of B explicitly More...
void | nnfft_precompute_phi_hut (nnfft_plan *ths_plan)
| initialisation of direct transform More...
void | nnfft_precompute_one_psi (nnfft_plan *ths)
void | nnfft_finalize (nnfft_plan *ths_plan)
void | nnfftl_init (nnfftl_plan *ths_plan, int d, int N_total, int M_total, int *N)
void | nnfftl_init_1d (nnfftl_plan *ths_plan, int N, int M_total)
void | nnfftl_init_guru (nnfftl_plan *ths_plan, int d, int N_total, int M_total, int *N, int *N1, int m, unsigned nnfft_flags)
void | nnfftl_trafo_direct (nnfftl_plan *ths_plan)
void | nnfftl_adjoint_direct (nnfftl_plan *ths_plan)
void | nnfftl_trafo (nnfftl_plan *ths_plan)
void | nnfftl_adjoint (nnfftl_plan *ths_plan)
void | nnfftl_precompute_lin_psi (nnfftl_plan *ths_plan)
void | nnfftl_precompute_psi (nnfftl_plan *ths_plan)
void | nnfftl_precompute_full_psi (nnfftl_plan *ths_plan)
void | nnfftl_precompute_phi_hut (nnfftl_plan *ths_plan)
void | nnfftl_precompute_one_psi (nnfftl_plan *ths)
void | nnfftl_finalize (nnfftl_plan *ths_plan)
void | nsfftf_trafo_direct (nsfftf_plan *ths)
void | nsfftf_adjoint_direct (nsfftf_plan *ths)
void | nsfftf_trafo (nsfftf_plan *ths)
void | nsfftf_adjoint (nsfftf_plan *ths)
void | nsfftf_cp (nsfftf_plan *ths, nfftf_plan *ths_nfft)
void | nsfftf_init_random_nodes_coeffs (nsfftf_plan *ths)
void | nsfftf_init (nsfftf_plan *ths, int d, int J, int M, int m, unsigned flags)
void | nsfftf_finalize (nsfftf_plan *ths)
void | nsfft_trafo_direct (nsfft_plan *ths)
void | nsfft_adjoint_direct (nsfft_plan *ths)
void | nsfft_trafo (nsfft_plan *ths)
void | nsfft_adjoint (nsfft_plan *ths)
void | nsfft_cp (nsfft_plan *ths, nfft_plan *ths_nfft)
void | nsfft_init_random_nodes_coeffs (nsfft_plan *ths)
void | nsfft_init (nsfft_plan *ths, int d, int J, int M, int m, unsigned flags)
void | nsfft_finalize (nsfft_plan *ths)
void | nsfftl_trafo_direct (nsfftl_plan *ths)
void | nsfftl_adjoint_direct (nsfftl_plan *ths)
void | nsfftl_trafo (nsfftl_plan *ths)
void | nsfftl_adjoint (nsfftl_plan *ths)
void | nsfftl_cp (nsfftl_plan *ths, nfftl_plan *ths_nfft)
void | nsfftl_init_random_nodes_coeffs (nsfftl_plan *ths)
void | nsfftl_init (nsfftl_plan *ths, int d, int J, int M, int m, unsigned flags)
void | nsfftl_finalize (nsfftl_plan *ths)
void | mrif_inh_2d1d_trafo (mrif_inh_2d1d_plan *ths)
void | mrif_inh_2d1d_adjoint (mrif_inh_2d1d_plan *ths)
void | mrif_inh_2d1d_init_guru (mrif_inh_2d1d_plan *ths, int *N, int M, int *n, int m, float sigma, unsigned nfft_flags, unsigned fftw_flags)
void | mrif_inh_2d1d_finalize (mrif_inh_2d1d_plan *ths)
void | mrif_inh_3d_trafo (mrif_inh_3d_plan *ths)
void | mrif_inh_3d_adjoint (mrif_inh_3d_plan *ths)
void | mrif_inh_3d_init_guru (mrif_inh_3d_plan *ths, int *N, int M, int *n, int m, float sigma, unsigned nfft_flags, unsigned fftw_flags)
void | mrif_inh_3d_finalize (mrif_inh_3d_plan *ths)
void | mri_inh_2d1d_trafo (mri_inh_2d1d_plan *ths)
void | mri_inh_2d1d_adjoint (mri_inh_2d1d_plan *ths)
void | mri_inh_2d1d_init_guru (mri_inh_2d1d_plan *ths, int *N, int M, int *n, int m, double sigma, unsigned nfft_flags, unsigned fftw_flags)
void | mri_inh_2d1d_finalize (mri_inh_2d1d_plan *ths)
void | mri_inh_3d_trafo (mri_inh_3d_plan *ths)
void | mri_inh_3d_adjoint (mri_inh_3d_plan *ths)
void | mri_inh_3d_init_guru (mri_inh_3d_plan *ths, int *N, int M, int *n, int m, double sigma, unsigned nfft_flags, unsigned fftw_flags)
void | mri_inh_3d_finalize (mri_inh_3d_plan *ths)
void | mril_inh_2d1d_trafo (mril_inh_2d1d_plan *ths)
void | mril_inh_2d1d_adjoint (mril_inh_2d1d_plan *ths)
void | mril_inh_2d1d_init_guru (mril_inh_2d1d_plan *ths, int *N, int M, int *n, int m, long double sigma, unsigned nfft_flags, unsigned fftw_flags)
void | mril_inh_2d1d_finalize (mril_inh_2d1d_plan *ths)
void | mril_inh_3d_trafo (mril_inh_3d_plan *ths)
void | mril_inh_3d_adjoint (mril_inh_3d_plan *ths)
void | mril_inh_3d_init_guru (mril_inh_3d_plan *ths, int *N, int M, int *n, int m, long double sigma, unsigned nfft_flags, unsigned fftw_flags)
void | mril_inh_3d_finalize (mril_inh_3d_plan *ths)
void | nfsftf_init (nfsftf_plan *plan, int N, int M)
void | nfsftf_init_advanced (nfsftf_plan *plan, int N, int M, unsigned int nfsft_flags)
void | nfsftf_init_guru (nfsftf_plan *plan, int N, int M, unsigned int nfsft_flags, unsigned int nfft_flags, int nfft_cutoff)
void | nfsftf_precompute (int N, float kappa, unsigned int nfsft_flags, unsigned int fpt_flags)
void | nfsftf_forget (void)
void | nfsftf_trafo_direct (nfsftf_plan *plan)
void | nfsftf_adjoint_direct (nfsftf_plan *plan)
void | nfsftf_trafo (nfsftf_plan *plan)
void | nfsftf_adjoint (nfsftf_plan *plan)
void | nfsftf_finalize (nfsftf_plan *plan)
void | nfsftf_precompute_x (nfsftf_plan *plan)
void | nfsft_init (nfsft_plan *plan, int N, int M)
void | nfsft_init_advanced (nfsft_plan *plan, int N, int M, unsigned int nfsft_flags)
void | nfsft_init_guru (nfsft_plan *plan, int N, int M, unsigned int nfsft_flags, unsigned int nfft_flags, int nfft_cutoff)
void | nfsft_precompute (int N, double kappa, unsigned int nfsft_flags, unsigned int fpt_flags)
void | nfsft_forget (void)
void | nfsft_trafo_direct (nfsft_plan *plan)
void | nfsft_adjoint_direct (nfsft_plan *plan)
void | nfsft_trafo (nfsft_plan *plan)
void | nfsft_adjoint (nfsft_plan *plan)
void | nfsft_finalize (nfsft_plan *plan)
void | nfsft_precompute_x (nfsft_plan *plan)
void | nfsftl_init (nfsftl_plan *plan, int N, int M)
void | nfsftl_init_advanced (nfsftl_plan *plan, int N, int M, unsigned int nfsft_flags)
void | nfsftl_init_guru (nfsftl_plan *plan, int N, int M, unsigned int nfsft_flags, unsigned int nfft_flags, int nfft_cutoff)
void | nfsftl_precompute (int N, long double kappa, unsigned int nfsft_flags, unsigned int fpt_flags)
void | nfsftl_forget (void)
void | nfsftl_trafo_direct (nfsftl_plan *plan)
void | nfsftl_adjoint_direct (nfsftl_plan *plan)
void | nfsftl_trafo (nfsftl_plan *plan)
void | nfsftl_adjoint (nfsftl_plan *plan)
void | nfsftl_finalize (nfsftl_plan *plan)
void | nfsftl_precompute_x (nfsftl_plan *plan)
fptf_set | fptf_init (const int M, const int t, const unsigned int flags)
void | fptf_precompute (fptf_set set, const int m, float *alpha, float *beta, float *gam, int k_start, const float threshold)
void | fptf_trafo_direct (fptf_set set, const int m, const fftwf_complex *x, fftwf_complex *y, const int k_end, const unsigned int flags)
void | fptf_trafo (fptf_set set, const int m, const fftwf_complex *x, fftwf_complex *y, const int k_end, const unsigned int flags)
void | fptf_transposed_direct (fptf_set set, const int m, fftwf_complex *x, fftwf_complex *y, const int k_end, const unsigned int flags)
void | fptf_transposed (fptf_set set, const int m, fftwf_complex *x, fftwf_complex *y, const int k_end, const unsigned int flags)
void | fptf_finalize (fptf_set set)
fpt_set | fpt_init (const int M, const int t, const unsigned int flags)
void | fpt_precompute (fpt_set set, const int m, double *alpha, double *beta, double *gam, int k_start, const double threshold)
void | fpt_trafo_direct (fpt_set set, const int m, const fftw_complex *x, fftw_complex *y, const int k_end, const unsigned int flags)
void | fpt_trafo (fpt_set set, const int m, const fftw_complex *x, fftw_complex *y, const int k_end, const unsigned int flags)
void | fpt_transposed_direct (fpt_set set, const int m, fftw_complex *x, fftw_complex *y, const int k_end, const unsigned int flags)
void | fpt_transposed (fpt_set set, const int m, fftw_complex *x, fftw_complex *y, const int k_end, const unsigned int flags)
void | fpt_finalize (fpt_set set)
fptl_set | fptl_init (const int M, const int t, const unsigned int flags)
void | fptl_precompute (fptl_set set, const int m, long double *alpha, long double *beta, long double *gam, int k_start, const long double threshold)
void | fptl_trafo_direct (fptl_set set, const int m, const fftwl_complex *x, fftwl_complex *y, const int k_end, const unsigned int flags)
void | fptl_trafo (fptl_set set, const int m, const fftwl_complex *x, fftwl_complex *y, const int k_end, const unsigned int flags)
void | fptl_transposed_direct (fptl_set set, const int m, fftwl_complex *x, fftwl_complex *y, const int k_end, const unsigned int flags)
void | fptl_transposed (fptl_set set, const int m, fftwl_complex *x, fftwl_complex *y, const int k_end, const unsigned int flags)
void | fptl_finalize (fptl_set set)
void | nfsoftf_precompute (nfsoftf_plan *plan)
fptf_set | nfsoftf_SO3_single_fpt_init (int l, int k, int m, unsigned int flags, int kappa)
void | nfsoftf_SO3_fpt (fftwf_complex *coeffs, fptf_set set, int l, int k, int m, unsigned int nfsoft_flags)
void | nfsoftf_SO3_fpt_transposed (fftwf_complex *coeffs, fptf_set set, int l, int k, int m, unsigned int nfsoft_flags)
void | nfsoftf_init (nfsoftf_plan *plan, int N, int M)
void | nfsoftf_init_advanced (nfsoftf_plan *plan, int N, int M, unsigned int nfsoft_flags)
void | nfsoftf_init_guru (nfsoftf_plan *plan, int N, int M, unsigned int nfsoft_flags, unsigned int nfft_flags, int nfft_cutoff, int fpt_kappa)
void | nfsoftf_init_guru_advanced (nfsoftf_plan *plan, int N, int M, unsigned int nfsoft_flags, unsigned int nfft_flags, int nfft_cutoff, int fpt_kappa, int nn_oversampled)
void | nfsoftf_trafo (nfsoftf_plan *plan_nfsoft)
void | nfsoftf_adjoint (nfsoftf_plan *plan_nfsoft)
void | nfsoftf_finalize (nfsoftf_plan *plan)
int | nfsoftf_posN (int n, int m, int B)
void | nfsoft_precompute (nfsoft_plan *plan)
fpt_set | nfsoft_SO3_single_fpt_init (int l, int k, int m, unsigned int flags, int kappa)
void | nfsoft_SO3_fpt (fftw_complex *coeffs, fpt_set set, int l, int k, int m, unsigned int nfsoft_flags)
void | nfsoft_SO3_fpt_transposed (fftw_complex *coeffs, fpt_set set, int l, int k, int m, unsigned int nfsoft_flags)
void | nfsoft_init (nfsoft_plan *plan, int N, int M)
void | nfsoft_init_advanced (nfsoft_plan *plan, int N, int M, unsigned int nfsoft_flags)
void | nfsoft_init_guru (nfsoft_plan *plan, int N, int M, unsigned int nfsoft_flags, unsigned int nfft_flags, int nfft_cutoff, int fpt_kappa)
void | nfsoft_init_guru_advanced (nfsoft_plan *plan, int N, int M, unsigned int nfsoft_flags, unsigned int nfft_flags, int nfft_cutoff, int fpt_kappa, int nn_oversampled)
void | nfsoft_trafo (nfsoft_plan *plan_nfsoft)
void | nfsoft_adjoint (nfsoft_plan *plan_nfsoft)
void | nfsoft_finalize (nfsoft_plan *plan)
int | nfsoft_posN (int n, int m, int B)
void | nfsoftl_precompute (nfsoftl_plan *plan)
fptl_set | nfsoftl_SO3_single_fpt_init (int l, int k, int m, unsigned int flags, int kappa)
void | nfsoftl_SO3_fpt (fftwl_complex *coeffs, fptl_set set, int l, int k, int m, unsigned int nfsoft_flags)
void | nfsoftl_SO3_fpt_transposed (fftwl_complex *coeffs, fptl_set set, int l, int k, int m, unsigned int nfsoft_flags)
void | nfsoftl_init (nfsoftl_plan *plan, int N, int M)
void | nfsoftl_init_advanced (nfsoftl_plan *plan, int N, int M, unsigned int nfsoft_flags)
void | nfsoftl_init_guru (nfsoftl_plan *plan, int N, int M, unsigned int nfsoft_flags, unsigned int nfft_flags, int nfft_cutoff, int fpt_kappa)
void | nfsoftl_init_guru_advanced (nfsoftl_plan *plan, int N, int M, unsigned int nfsoft_flags, unsigned int nfft_flags, int nfft_cutoff, int fpt_kappa, int nn_oversampled)
void | nfsoftl_trafo (nfsoftl_plan *plan_nfsoft)
void | nfsoftl_adjoint (nfsoftl_plan *plan_nfsoft)
void | nfsoftl_finalize (nfsoftl_plan *plan)
int | nfsoftl_posN (int n, int m, int B)
void | solverf_init_advanced_complex (solverf_plan_complex *ths, nfftf_mv_plan_complex *mv, unsigned flags)
void | solverf_init_complex (solverf_plan_complex *ths, nfftf_mv_plan_complex *mv)
void | solverf_before_loop_complex (solverf_plan_complex *ths)
void | solverf_loop_one_step_complex (solverf_plan_complex *ths)
void | solverf_finalize_complex (solverf_plan_complex *ths)
void | solverf_init_advanced_double (solverf_plan_double *ths, nfftf_mv_plan_double *mv, unsigned flags)
void | solverf_init_double (solverf_plan_double *ths, nfftf_mv_plan_double *mv)
void | solverf_before_loop_double (solverf_plan_double *ths)
void | solverf_loop_one_step_double (solverf_plan_double *ths)
void | solverf_finalize_double (solverf_plan_double *ths)
void | solver_init_advanced_complex (solver_plan_complex *ths, nfft_mv_plan_complex *mv, unsigned flags)
void | solver_init_complex (solver_plan_complex *ths, nfft_mv_plan_complex *mv)
void | solver_before_loop_complex (solver_plan_complex *ths)
void | solver_loop_one_step_complex (solver_plan_complex *ths)
void | solver_finalize_complex (solver_plan_complex *ths)
void | solver_init_advanced_double (solver_plan_double *ths, nfft_mv_plan_double *mv, unsigned flags)
void | solver_init_double (solver_plan_double *ths, nfft_mv_plan_double *mv)
void | solver_before_loop_double (solver_plan_double *ths)
void | solver_loop_one_step_double (solver_plan_double *ths)
void | solver_finalize_double (solver_plan_double *ths)
void | solverl_init_advanced_complex (solverl_plan_complex *ths, nfftl_mv_plan_complex *mv, unsigned flags)
void | solverl_init_complex (solverl_plan_complex *ths, nfftl_mv_plan_complex *mv)
void | solverl_before_loop_complex (solverl_plan_complex *ths)
void | solverl_loop_one_step_complex (solverl_plan_complex *ths)
void | solverl_finalize_complex (solverl_plan_complex *ths)
void | solverl_init_advanced_double (solverl_plan_double *ths, nfftl_mv_plan_double *mv, unsigned flags)
void | solverl_init_double (solverl_plan_double *ths, nfftl_mv_plan_double *mv)
void | solverl_before_loop_double (solverl_plan_double *ths)
void | solverl_loop_one_step_double (solverl_plan_double *ths)
void | solverl_finalize_double (solverl_plan_double *ths)
float | nfftf_drand48 (void)
void | nfftf_srand48 (long int seed)
void | nfftf_vrand_unit_complex (fftwf_complex *x, const NFFT_INT n)
| Inits a vector of random complex numbers in . More...
void | nfftf_vrand_shifted_unit_double (float *x, const NFFT_INT n)
| Inits a vector of random double numbers in . More...
void | nfftf_vrand_real (float *x, const NFFT_INT n, const float a, const float b)
void | nfftf_vpr_double (float *x, const NFFT_INT n, const char *text)
| Print real vector to standard output. More...
void | nfftf_vpr_complex (fftwf_complex *x, const NFFT_INT n, const char *text)
| Print complex vector to standard output. More...
NFFT_INT | nfftf_get_num_threads (void)
float | nfftf_clock_gettime_seconds (void)
float | nfftf_error_l_infty_complex (const fftwf_complex *x, const fftwf_complex *y, const NFFT_INT n)
float | nfftf_error_l_infty_1_complex (const fftwf_complex *x, const fftwf_complex *y, const NFFT_INT n, const fftwf_complex *z, const NFFT_INT m)
NFFT_INT | nfftf_exp2i (const NFFT_INT a)
NFFT_INT | nfftf_next_power_of_2 (const NFFT_INT N)
float | nfftf_dot_complex (fftwf_complex *x, NFFT_INT n)
| Computes the inner/dot product . More...
void | nfftf_upd_axpy_complex (fftwf_complex *x, float a, fftwf_complex *y, NFFT_INT n)
| Updates . More...
void | nfftf_fftshift_complex (fftwf_complex *x, NFFT_INT d, NFFT_INT *N)
| Swaps each half over N[d]/2. More...
void | nfftf_fftshift_complex_int (fftwf_complex *x, int d, int *N)
void | nfftf_get_version (unsigned *major, unsigned *minor, unsigned *patch)
| Return library version. More...
const char * | nfftf_get_window_name ()
| \ * Return name of window function. More...
NFFT_INT | nfftf_get_default_window_cut_off ()
double | nfft_drand48 (void)
void | nfft_srand48 (long int seed)
void | nfft_vrand_unit_complex (fftw_complex *x, const NFFT_INT n)
| Inits a vector of random complex numbers in . More...
void | nfft_vrand_shifted_unit_double (double *x, const NFFT_INT n)
| Inits a vector of random double numbers in . More...
void | nfft_vrand_real (double *x, const NFFT_INT n, const double a, const double b)
void | nfft_vpr_double (double *x, const NFFT_INT n, const char *text)
| Print real vector to standard output. More...
void | nfft_vpr_complex (fftw_complex *x, const NFFT_INT n, const char *text)
| Print complex vector to standard output. More...
NFFT_INT | nfft_get_num_threads (void)
double | nfft_clock_gettime_seconds (void)
double | nfft_error_l_infty_complex (const fftw_complex *x, const fftw_complex *y, const NFFT_INT n)
double | nfft_error_l_infty_1_complex (const fftw_complex *x, const fftw_complex *y, const NFFT_INT n, const fftw_complex *z, const NFFT_INT m)
NFFT_INT | nfft_exp2i (const NFFT_INT a)
NFFT_INT | nfft_next_power_of_2 (const NFFT_INT N)
double | nfft_dot_complex (fftw_complex *x, NFFT_INT n)
| Computes the inner/dot product . More...
void | nfft_upd_axpy_complex (fftw_complex *x, double a, fftw_complex *y, NFFT_INT n)
| Updates . More...
void | nfft_fftshift_complex (fftw_complex *x, NFFT_INT d, NFFT_INT *N)
| Swaps each half over N[d]/2. More...
void | nfft_fftshift_complex_int (fftw_complex *x, int d, int *N)
void | nfft_get_version (unsigned *major, unsigned *minor, unsigned *patch)
| Return library version. More...
const char * | nfft_get_window_name ()
| \ * Return name of window function. More...
NFFT_INT | nfft_get_default_window_cut_off ()
long double | nfftl_drand48 (void)
void | nfftl_srand48 (long int seed)
void | nfftl_vrand_unit_complex (fftwl_complex *x, const NFFT_INT n)
| Inits a vector of random complex numbers in . More...
void | nfftl_vrand_shifted_unit_double (long double *x, const NFFT_INT n)
| Inits a vector of random double numbers in . More...
void | nfftl_vrand_real (long double *x, const NFFT_INT n, const long double a, const long double b)
void | nfftl_vpr_double (long double *x, const NFFT_INT n, const char *text)
| Print real vector to standard output. More...
void | nfftl_vpr_complex (fftwl_complex *x, const NFFT_INT n, const char *text)
| Print complex vector to standard output. More...
NFFT_INT | nfftl_get_num_threads (void)
long double | nfftl_clock_gettime_seconds (void)
long double | nfftl_error_l_infty_complex (const fftwl_complex *x, const fftwl_complex *y, const NFFT_INT n)
long double | nfftl_error_l_infty_1_complex (const fftwl_complex *x, const fftwl_complex *y, const NFFT_INT n, const fftwl_complex *z, const NFFT_INT m)
NFFT_INT | nfftl_exp2i (const NFFT_INT a)
NFFT_INT | nfftl_next_power_of_2 (const NFFT_INT N)
long double | nfftl_dot_complex (fftwl_complex *x, NFFT_INT n)
| Computes the inner/dot product . More...
void | nfftl_upd_axpy_complex (fftwl_complex *x, long double a, fftwl_complex *y, NFFT_INT n)
| Updates . More...
void | nfftl_fftshift_complex (fftwl_complex *x, NFFT_INT d, NFFT_INT *N)
| Swaps each half over N[d]/2. More...
void | nfftl_fftshift_complex_int (fftwl_complex *x, int d, int *N)
void | nfftl_get_version (unsigned *major, unsigned *minor, unsigned *patch)
| Return library version. More...
const char * | nfftl_get_window_name ()
| \ * Return name of window function. More...
NFFT_INT | nfftl_get_default_window_cut_off ()

## Variables
nfftf_malloc_type_function | nfftf_malloc_hook
nfftf_free_type_function | nfftf_free_hook
nfftf_die_type_function | nfftf_die_hook
nfft_malloc_type_function | nfft_malloc_hook
nfft_free_type_function | nfft_free_hook
nfft_die_type_function | nfft_die_hook
nfftl_malloc_type_function | nfftl_malloc_hook
nfftl_free_type_function | nfftl_free_hook
nfftl_die_type_function | nfftl_die_hook

## Detailed Description

Header file for the nfft3 library.

Header file for NFFT3

Definition in file nfft3.h.

## Macro Definition Documentation

#define MACRO_MV_PLAN | ( |  | RC | ) |

Value:
NFFT_INT N_total; \
NFFT_INT M_total; \
RC *f_hat; \
RC *f; \
void (*mv_trafo)(void*); \
void (*mv_adjoint)(void*);

Adjoint transform.

Macros for public members inherited by all plan structures.

Definition at line 54 of file nfft3.h.

#define NFFT_DEFINE_MALLOC_API | ( |  | X | ) |

Value:
/* our own memory allocation and exit functions */ \
NFFT_EXTERN void *X(malloc)(size_t n); \
NFFT_EXTERN void X(free)(void *p); \
NFFT_EXTERN void X(die)(const char *s); \
\
/* You can replace the hooks with your own functions, if necessary. We */ \
/* need this for the Matlab interface. */ \
typedef void *(*X(malloc_type_function)) (size_t n); \
typedef void (*X(free_type_function)) (void *p); \
typedef void (*X(die_type_function)) (const char *errString); \
NFFT_EXTERN X(malloc_type_function) X(malloc_hook); \
NFFT_EXTERN X(free_type_function) X(free_hook); \
NFFT_EXTERN X(die_type_function) X(die_hook);
X
#define X(name)
Include header for C99 complex datatype.
Definition: fastsum.h:57

Definition at line 75 of file nfft3.h.

#define MRI_DEFINE_API | ( |  | X,
|  |  | Z,
|  |  | R,
|  |  | C
| ) |  |

Value:
typedef struct\
{\
MACRO_MV_PLAN(C)\
Z(plan) plan;\
int N3;\
R sigma3;\
R *t;\
R *w;\
} X(inh_2d1d_plan);\
\
typedef struct\
{\
MACRO_MV_PLAN(C)\
Z(plan) plan;\
int N3;\
R sigma3;\
R *t;\
R *w;\
} X(inh_3d_plan);\
\
void X(inh_2d1d_trafo)(X(inh_2d1d_plan) *ths); \
void X(inh_2d1d_adjoint)(X(inh_2d1d_plan) *ths); \
void X(inh_2d1d_init_guru)(X(inh_2d1d_plan) *ths, int *N, int M, int *n, \
int m, R sigma, unsigned nfft_flags, unsigned fftw_flags); \
void X(inh_2d1d_finalize)(X(inh_2d1d_plan) *ths); \
void X(inh_3d_trafo)(X(inh_3d_plan) *ths); \
void X(inh_3d_adjoint)(X(inh_3d_plan) *ths); \
void X(inh_3d_init_guru)(X(inh_3d_plan) *ths, int *N, int M, int *n, \
int m, R sigma, unsigned nfft_flags, unsigned fftw_flags); \
void X(inh_3d_finalize)(X(inh_3d_plan) *ths);
MACRO_MV_PLAN
#define MACRO_MV_PLAN(RC)
Adjoint transform.
Definition: nfft3.h:54
X
#define X(name)
Include header for C99 complex datatype.
Definition: fastsum.h:57

Definition at line 492 of file nfft3.h.

#define FPT_DEFINE_API | ( |  | X,
|  |  | Y,
|  |  | R,
|  |  | C
| ) |  |

Value:
typedef struct X(set_s_) *X(set); \
\
NFFT_EXTERN X(set) X(init)(const int M, const int t, const unsigned int flags); \
NFFT_EXTERN void X(precompute)(X(set) set, const int m, R *alpha, R *beta, \
R *gam, int k_start, const R threshold); \
NFFT_EXTERN void X(trafo_direct)(X(set) set, const int m, const C *x, C *y, \
const int k_end, const unsigned int flags); \
NFFT_EXTERN void X(trafo)(X(set) set, const int m, const C *x, C *y, \
const int k_end, const unsigned int flags); \
NFFT_EXTERN void X(transposed_direct)(X(set) set, const int m, C *x, \
C *y, const int k_end, const unsigned int flags); \
NFFT_EXTERN void X(transposed)(X(set) set, const int m, C *x, \
C *y, const int k_end, const unsigned int flags); \
NFFT_EXTERN void X(finalize)(X(set) set);
X
#define X(name)
Include header for C99 complex datatype.
Definition: fastsum.h:57

Definition at line 610 of file nfft3.h.

#define NFSOFT_DEFINE_API | ( |  | X,
|  |  | Y,
|  |  | Z,
|  |  | R,
|  |  | C
| ) |  |

Value:
typedef struct X(plan_)\
{\
MACRO_MV_PLAN(C) \
R *x; \
/* internal use only */\
C *wig_coeffs; \
C *cheby; \
C *aux; \
int t; \
unsigned int flags; \
Y(plan) p_nfft; \
Z(set) *internal_fpt_set; \
int nthreads; \
} X(plan);\
\
NFFT_EXTERN void X(precompute)(X(plan) *plan); \
NFFT_EXTERN Z(set) X(SO3_single_fpt_init)(int l, int k, int m, unsigned int flags, int kappa); \
NFFT_EXTERN void X(SO3_fpt)(C *coeffs, Z(set) set, int l, int k, int m, unsigned int nfsoft_flags); \
NFFT_EXTERN void X(SO3_fpt_transposed)(C *coeffs, Z(set) set,int l, int k, int m,unsigned int nfsoft_flags); \
NFFT_EXTERN void X(init)(X(plan) *plan, int N, int M); \
NFFT_EXTERN void X(init_advanced)(X(plan) *plan, int N, int M,unsigned int nfsoft_flags); \
NFFT_EXTERN void X(init_guru)(X(plan) *plan, int N, int M,unsigned int nfsoft_flags,unsigned int nfft_flags,int nfft_cutoff,int fpt_kappa); \
NFFT_EXTERN void X(init_guru_advanced)(X(plan) *plan, int N, int M,unsigned int nfsoft_flags,unsigned int nfft_flags,int nfft_cutoff,int fpt_kappa, int nn_oversampled); \
NFFT_EXTERN void X(trafo)(X(plan) *plan_nfsoft); \
NFFT_EXTERN void X(adjoint)(X(plan) *plan_nfsoft); \
NFFT_EXTERN void X(finalize)(X(plan) *plan); \
NFFT_EXTERN int X(posN)(int n,int m, int B);
MACRO_MV_PLAN
#define MACRO_MV_PLAN(RC)
Adjoint transform.
Definition: nfft3.h:54
X
#define X(name)
Include header for C99 complex datatype.
Definition: fastsum.h:57

Definition at line 654 of file nfft3.h.

## Typedef Documentation

typedef void *(* nfft_malloc_type_function)(size_t n)

A `malloc` type function

Definition at line 91 of file nfft3.h.

typedef void(* nfft_free_type_function)(void *p)

A `free` type function

Definition at line 91 of file nfft3.h.

typedef struct fptf_set_s_* fptf_set

A set of precomputed data for a set of DPT transforms of equal maximum length.

Definition at line 628 of file nfft3.h.

typedef struct fpt_set_s_* fpt_set

A set of precomputed data for a set of DPT transforms of equal maximum length.

Definition at line 628 of file nfft3.h.

typedef struct fptl_set_s_* fptl_set

A set of precomputed data for a set of DPT transforms of equal maximum length.

Definition at line 628 of file nfft3.h.

## Function Documentation

void * nfft_malloc | ( | size_t | n | ) |

Our `malloc` function

Parameters

  n | The number of bytes to allocate

Referenced by fpt_init(), main(), mri_inh_2d1d_init_guru(), mri_inh_2d1d_trafo(), mri_inh_3d_adjoint(), mri_inh_3d_trafo(), nfsft_init_advanced(), nfsft_precompute(), nfsoft_init_guru_advanced(), nnfft_init(), nnfft_init_guru(), nnfft_precompute_full_psi(), nnfft_precompute_phi_hut(), nsfft_adjoint(), print(), read_data(), and reconstruct().

void nfft_free | ( | void * | p | ) |

Our `free` function

Parameters

  p | Pointer to the memory region to free

Referenced by fpt_init(), fpt_transposed(), main(), mri_inh_2d1d_finalize(), mri_inh_2d1d_trafo(), mri_inh_3d_adjoint(), mri_inh_3d_finalize(), mri_inh_3d_trafo(), nfsft_finalize(), nfsft_forget(), nfsft_init_advanced(), nfsft_precompute(), nfsoft_finalize(), nnfft_finalize(), nsfft_init(), print(), read_data(), and reconstruct().

void nfftf_vrand_unit_complex | ( | fftwf_complex * | x,
|  | const NFFT_INT | n
| ) |  |

Inits a vector of random complex numbers in .

\

void nfftf_vrand_shifted_unit_double | ( | float * | x,
|  | const NFFT_INT | n
| ) |  |

Inits a vector of random double numbers in .

\

void nfftf_vpr_double | ( | float * | x,
|  | const NFFT_INT | n,
|  | const char * | text
| ) |  |

Print real vector to standard output.

void nfftf_vpr_complex | ( | fftwf_complex * | x,
|  | const NFFT_INT | n,
|  | const char * | text
| ) |  |

Print complex vector to standard output.

float nfftf_dot_complex | ( | fftwf_complex * | x,
|  | NFFT_INT | n
| ) |  |

Computes the inner/dot product .

void nfftf_upd_axpy_complex | ( | fftwf_complex * | x,
|  | float | a,
|  | fftwf_complex * | y,
|  | NFFT_INT | n
| ) |  |

Updates .

void nfftf_fftshift_complex | ( | fftwf_complex * | x,
|  | NFFT_INT | d,
|  | NFFT_INT * | N
| ) |  |

Swaps each half over N[d]/2.

void nfftf_get_version | ( | unsigned * | major,
|  | unsigned * | minor,
|  | unsigned * | patch
| ) |  |

Return library version.

const char* nfftf_get_window_name | ( |  | ) |

\ * Return name of window function.

\ * \ * The window function to be used is configured at compile time. \

void nfft_vrand_unit_complex | ( | fftw_complex * | x,
|  | const NFFT_INT | n
| ) |  |

Inits a vector of random complex numbers in .

\

Referenced by nsfft_init_random_nodes_coeffs().

void nfft_vrand_shifted_unit_double | ( | double * | x,
|  | const NFFT_INT | n
| ) |  |

Inits a vector of random double numbers in .

\

Referenced by nsfft_init_random_nodes_coeffs().

void nfft_vpr_double | ( | double * | x,
|  | const NFFT_INT | n,
|  | const char * | text
| ) |  |

Print real vector to standard output.

void nfft_vpr_complex | ( | fftw_complex * | x,
|  | const NFFT_INT | n,
|  | const char * | text
| ) |  |

Print complex vector to standard output.

double nfft_dot_complex | ( | fftw_complex * | x,
|  | NFFT_INT | n
| ) |  |

Computes the inner/dot product .

void nfft_upd_axpy_complex | ( | fftw_complex * | x,
|  | double | a,
|  | fftw_complex * | y,
|  | NFFT_INT | n
| ) |  |

Updates .

void nfft_fftshift_complex | ( | fftw_complex * | x,
|  | NFFT_INT | d,
|  | NFFT_INT * | N
| ) |  |

Swaps each half over N[d]/2.

void nfft_get_version | ( | unsigned * | major,
|  | unsigned * | minor,
|  | unsigned * | patch
| ) |  |

Return library version.

const char* nfft_get_window_name | ( |  | ) |

\ * Return name of window function.

\ * \ * The window function to be used is configured at compile time. \

void nfftl_vrand_unit_complex | ( | fftwl_complex * | x,
|  | const NFFT_INT | n
| ) |  |

Inits a vector of random complex numbers in .

\

void nfftl_vrand_shifted_unit_double | ( | long double * | x,
|  | const NFFT_INT | n
| ) |  |

Inits a vector of random double numbers in .

\

void nfftl_vpr_double | ( | long double * | x,
|  | const NFFT_INT | n,
|  | const char * | text
| ) |  |

Print real vector to standard output.

void nfftl_vpr_complex | ( | fftwl_complex * | x,
|  | const NFFT_INT | n,
|  | const char * | text
| ) |  |

Print complex vector to standard output.

long double nfftl_dot_complex | ( | fftwl_complex * | x,
|  | NFFT_INT | n
| ) |  |

Computes the inner/dot product .

void nfftl_upd_axpy_complex | ( | fftwl_complex * | x,
|  | long double | a,
|  | fftwl_complex * | y,
|  | NFFT_INT | n
| ) |  |

Updates .

void nfftl_fftshift_complex | ( | fftwl_complex * | x,
|  | NFFT_INT | d,
|  | NFFT_INT * | N
| ) |  |

Swaps each half over N[d]/2.

void nfftl_get_version | ( | unsigned * | major,
|  | unsigned * | minor,
|  | unsigned * | patch
| ) |  |

Return library version.

const char* nfftl_get_window_name | ( |  | ) |

\ * Return name of window function.

\ * \ * The window function to be used is configured at compile time. \

## Variable Documentation

nfft_malloc_type_function nfft_malloc_hook

Hook for `nfft_malloc`

nfft_free_type_function nfft_free_hook

Hook for `nfft_free`