%
% Nonuniform FFT in R^2.
%   nufft2d1 - Type 1 - Evaluate linearly spaced Fourier modes (Type 1 nuFFT).
%   nufft2d2 - Type 2 - Evaluate function values (inverse of Type 1 nuFFT).
%   nufft2d3 - Type 3 - Evaluate arbitrary located Fourier modes (Type 3 nuFFT).
%
% Direct (slow) evaluation of nonuniform FFT in R^2.
%   dirft2d1 - Type 1 - Evaluate linearly spaced Fourier modes (Type 1 nuFFT).
%   dirft2d2 - Type 2 - Evaluate function values (inverse of Type 1 nuFFT).
%   dirft2d3 - Type 3 - Evaluate arbitrary located Fourier modes (Type 3 nuFFT).
%
% Test for nuFFT in R^2.
%   test_2d1 - Test Type 1 nuFFT.
%   test_2d2 - Test Type 2 nuFFT.
%   test_2d3 - Test Type 3 nuFFT.
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