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Data Structures | |
struct | nfct_plan |
Structure for a transform plan. More... | |
struct | nfst_plan |
Structure for a transform plan. More... | |
Functions | |
void | nfct_init_1d (nfct_plan *ths_plan, int N0, int M_total) |
Creates a 1-dimensional transform plan. | |
void | nfct_init_2d (nfct_plan *ths_plan, int N0, int N1, int M_total) |
Creates a 3-dimensional transform plan. | |
void | nfct_init_3d (nfct_plan *ths_plan, int N0, int N1, int N2, int M_total) |
Creates a 3-dimensional transform plan. | |
void | nfct_init (nfct_plan *ths_plan, int d, int *N, int M_total) |
Creates a d-dimensional transform plan. | |
void | nfct_init_guru (nfct_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned nfct_flags, unsigned fftw_flags) |
Creates a d-dimensional transform plan. | |
void | nfct_precompute_psi (nfct_plan *ths_plan) |
precomputes the values psi if the PRE_PSI is set the application program has to call this routine after setting the nodes this_plan->x | |
void | nfct_trafo (nfct_plan *ths_plan) |
executes a NFCT (approximate,fast), computes for ![]() ![]() | |
void | ndct_trafo (nfct_plan *ths_plan) |
executes a NDCT (exact,slow), computes for ![]() ![]() | |
void | nfct_adjoint (nfct_plan *ths_plan) |
executes a transposed NFCT (approximate,fast), computes for ![]() ![]() | |
void | ndct_adjoint (nfct_plan *ths_plan) |
executes a direct transposed NDCT (exact,slow), computes for ![]() ![]() | |
void | nfct_finalize (nfct_plan *ths_plan) |
Destroys a plan. | |
double | nfct_phi_hut (nfct_plan *ths_plan, int k, int d) |
do some adjustments (N,n) then compute PHI_HUT | |
double | nfct_phi (nfct_plan *ths_plan, double x, int d) |
do some adjustments (N,n) then compute PHI | |
int | nfct_fftw_2N (int n) |
returns 2(n-1), fftw related issue | |
int | nfct_fftw_2N_rev (int n) |
returns 0.5n+1, fftw related issue | |
void | nfst_init_1d (nfst_plan *ths_plan, int N0, int M_total) |
Creates a 1-dimensional transform plan. | |
void | nfst_init_2d (nfst_plan *ths_plan, int N0, int N1, int M_total) |
Creates a 3-dimensional transform plan. | |
void | nfst_init_3d (nfst_plan *ths_plan, int N0, int N1, int N2, int M_total) |
Creates a 3-dimensional transform plan. | |
void | nfst_init (nfst_plan *ths_plan, int d, int *N, int M_total) |
Creates a d-dimensional transform plan. | |
void | nfst_init_m (nfst_plan *ths_plan, int d, int *N, int M_total, int m) |
Creates a d-dimensional transform plan with pcific m. | |
void | nfst_init_guru (nfst_plan *ths_plan, int d, int *N, int M_total, int *n, int m, unsigned nfst_flags, unsigned fftw_flags) |
Creates a d-dimensional transform plan. | |
void | nfst_precompute_psi (nfst_plan *ths_plan) |
precomputes the values psi if the PRE_PSI is set the application program has to call this routine after setting the nodes this_plan->x | |
void | nfst_trafo (nfst_plan *ths_plan) |
executes a NFST (approximate,fast), computes for ![]() ![]() | |
void | ndst_trafo (nfst_plan *ths_plan) |
executes a NDST (exact,slow), computes for ![]() ![]() | |
void | nfst_adjoint (nfst_plan *ths_plan) |
executes a transposed NFST (approximate,fast), computes for ![]() ![]() | |
void | ndst_adjoint (nfst_plan *ths_plan) |
executes a direct transposed NDST (exact,slow), computes for ![]() ![]() | |
void | nfst_finalize (nfst_plan *ths_plan) |
Destroys a plan. | |
void | nfst_full_psi (nfst_plan *ths_plan, double eps) |
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double | nfst_phi_hut (nfst_plan *ths_plan, int k, int d) |
do some adjustments (N,n) then compute PHI_HUT | |
double | nfst_phi (nfst_plan *ths_plan, double x, int d) |
do some adjustments (N,n) then compute PHI | |
int | nfst_fftw_2N (int n) |
returns 2(n+1), fftw related issue | |
int | nfst_fftw_2N_rev (int n) |
returns 0.5n-1, fftw related issue |
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Creates a 1-dimensional transform plan.
Definition at line 996 of file nfct.c. References nfct_init(). |
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Creates a 3-dimensional transform plan.
Definition at line 1004 of file nfct.c. References nfct_init(). |
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Creates a 3-dimensional transform plan.
Definition at line 1013 of file nfct.c. References nfct_init(). |
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Creates a d-dimensional transform plan.
Definition at line 931 of file nfct.c. References nfct_fftw_2N(), and nfft_next_power_of_2(). Referenced by nfct_init_1d(), nfct_init_2d(), and nfct_init_3d(). |
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Creates a d-dimensional transform plan.
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precomputes the values psi if the PRE_PSI is set the application program has to call this routine after setting the nodes this_plan->x
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executes a NFCT (approximate,fast), computes for
Definition at line 711 of file nfct.c. References PRE_FULL_PSI. |
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executes a NDCT (exact,slow), computes for
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executes a transposed NFCT (approximate,fast), computes for
Definition at line 765 of file nfct.c. References PRE_FULL_PSI. |
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executes a direct transposed NDCT (exact,slow), computes for
Definition at line 257 of file nfct.c. References nfct_fftw_2N(). |
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Destroys a plan.
Definition at line 1027 of file nfct.c. References FFT_OUT_OF_PLACE, FFTW_INIT, MALLOC_F, MALLOC_F_HAT, MALLOC_X, PRE_PHI_HUT, and PRE_PSI. |
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do some adjustments (N,n) then compute PHI_HUT
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do some adjustments (N,n) then compute PHI
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returns 2(n-1), fftw related issue
Definition at line 81 of file nfct.c. Referenced by ndct_adjoint(), and nfct_init(). |
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returns 0.5n+1, fftw related issue
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Creates a 1-dimensional transform plan.
Definition at line 979 of file nfst.c. References nfst_init(). |
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Creates a 3-dimensional transform plan.
Definition at line 987 of file nfst.c. References nfst_init(). |
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Creates a 3-dimensional transform plan.
Definition at line 996 of file nfst.c. References nfst_init(). |
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Creates a d-dimensional transform plan.
Definition at line 913 of file nfst.c. References nfft_next_power_of_2(). Referenced by nfst_init_1d(), nfst_init_2d(), and nfst_init_3d(). |
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Creates a d-dimensional transform plan with pcific m. (just for convenience)
Definition at line 940 of file nfst.c. References nfft_next_power_of_2(), nfst_fftw_2N(), and nfst_init_guru(). |
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Creates a d-dimensional transform plan.
Definition at line 951 of file nfst.c. Referenced by nfst_init_m(). |
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precomputes the values psi if the PRE_PSI is set the application program has to call this routine after setting the nodes this_plan->x
Definition at line 743 of file nfst.c. References nfst_full_psi(), and PRE_FULL_PSI. |
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executes a NFST (approximate,fast), computes for
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executes a NDST (exact,slow), computes for
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executes a transposed NFST (approximate,fast), computes for
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executes a direct transposed NDST (exact,slow), computes for
Definition at line 255 of file nfst.c. References nfst_fftw_2N(). |
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Destroys a plan.
Definition at line 1006 of file nfst.c. References FFT_OUT_OF_PLACE, FFTW_INIT, MALLOC_F, MALLOC_F_HAT, MALLOC_X, PRE_FULL_PSI, PRE_PHI_HUT, and PRE_PSI. |
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do some adjustments (N,n) then compute PHI_HUT
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do some adjustments (N,n) then compute PHI
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returns 2(n+1), fftw related issue
Definition at line 81 of file nfst.c. Referenced by ndst_adjoint(), and nfst_init_m(). |
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returns 0.5n-1, fftw related issue
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