% NNFFT
%
% Files
%   FFT_OUT_OF_PLACE    - FFT flag
%   FFTW_ESTIMATE       - FFT flag
%   FFTW_MEASURE        - FFT flag
%   FG_PSI              - Precompuation flag
%   nnfft_display	- display plan values
%   nnfft_finalize       - Finalize plan
%   nnfft_get_f          - Get function values from plan
%   nnfft_get_f_hat      - Get Fourier coefficients from plan
%   nnfft_get_x          - Get nodes from plan
%   nnfft_init        - Initialise plans
%   nnfft_init_guru        - Initialise plans
%   nnfft_init_1d        - Initialise plans
%   nnfft_set_f          - Set function values in plan
%   nnfft_set_f_hat      - Set Fourier coefficients in plan
%   nnfft_set_x          - Set nodes in plan
%   nnfft_set_v          - Set nodes in plan
%   nnfft_trafo          - nonequispaced fast Fourier transformat
%   nnfft_trafo_direct   - nonequispaced fast diskret Fourie transformat
%   nnfftmex             - Gateway function to NFFT module from NFFT3
%   PRE_FG_PSI          - Precomputation flag
%   PRE_FULL_PSI        - Precomputation flag
%   PRE_LIN_PSI         - Precomputation flag
%   PRE_PHI_HUT         - Precomputation flag
%   PRE_PSI             - Precomputation flag
%   simple_test         - Example program: Basic usage principles
