Here is a list of all documented files with brief descriptions:

[detail level 1234]

▼ applications
► fastsum
fastsum.c	Fast NFFT-based summation algorithm
fastsum.h	Header file for the fast NFFT-based summation algorithm
fastsum_benchomp.c
fastsum_benchomp_createdataset.c
fastsum_benchomp_detail.c
fastsum_matlab.c	Simple test program for the fast NFFT-based summation algorithm, called by fastsum.m
fastsum_test.c	Simple test program for the fast NFFT-based summation algorithm
kernels.c	File with predefined kernels for the fast summation algorithm
kernels.h	Header file with predefined kernels for the fast summation algorithm
► fastsumS2
doxygen.h
fastsumS2.c
► iterS2
doxygen.h
iterS2.c
► mri
► mri2d
construct_data_2d.c
construct_data_inh_2d1d.c
construct_data_inh_3d.c
doxygen.h
reconstruct_data_2d.c
reconstruct_data_gridding.c
reconstruct_data_inh_2d1d.c
reconstruct_data_inh_3d.c
reconstruct_data_inh_nnfft.c
► mri3d
construct_data_2d1d.c
construct_data_3d.c
doxygen.h
reconstruct_data_2d1d.c
reconstruct_data_3d.c
reconstruct_data_gridding.c
doxygen.c
► polarFFT
doxygen.h
► quadratureS2
doxygen.h
quadratureS2.c
doxygen.c
▼ examples
► fpt
simple_test.c
► nfft
flags.c	Testing the nfft
ndft_fast.c	Testing ndft, Horner-like ndft, and fully precomputed ndft
nfft_benchomp.c
nfft_benchomp_createdataset.c
nfft_benchomp_detail.c
nfft_times.c
taylor_nfft.c	Testing the nfft againt a Taylor expansion based version
► nfsft
nfsft_benchomp.c
nfsft_benchomp_createdataset.c
nfsft_benchomp_detail.c
simple_test.c
simple_test_threads.c
► nfsoft
simple_test.c
► nnfft
accuracy.c
simple_test.c
► nsfft
nsfft_test.c
simple_test.c
► solver
doxygen.h
doxygen.c
▼ include
api.h
cycle.h
infft.h	Internal header file for auxiliary definitions and functions
nfft3.h	Header file for the nfft3 library
nfft3mp.h
solver_adjoint.h	Header file for adjoint solver
▼ kernel
► fpt
fpt.c	Implementation file for the FPT module
fpt.h
► mri
mri.c
► nfct
nfct.c
► nfft
nfft.c
► nfsft
api.h	Header file with internal API of the NFSFT module
legendre.c
legendre.h
nfsft.c	Implementation file for the NFSFT module
► nfsoft
nfsoft.c
wigner.c
wigner.h	Header file for functions related to Wigner-d/D functions
► nfst
nfst.c
► nnfft
nnfft.c
► nsfft
nsfft.c
► solver
solver.c	Implementation file for the solver module
► util
assert.c
bessel_i0.c
bspline.c
damp.c
error.c
float.c
int.c
lambda.c
malloc.c
print.c
rand.c
sinc.c
sort.c
thread.c
time.c
vector1.c
vector2.c
vector3.c
version.c
voronoi.c
window.c