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This file contains the version history for NFFT 3.x.x.
Changes in version 3.5.3:
Bugfixes
- #116 Fix in the fastsum Matlab interface that might cause crashes.
- Update obsolete autoconf macros.
Enhancements
- #118 Additional node at South Pole in NFSFT_EQUISPACED enhancement.
- #115 Matlab interface with single precision.
- #113 Add function to set_num_threads in Matlab.
Changes in version 3.5.2:
Bugfixes
- #103 Build of fastsum fails because fftw_libs are not found.
- #109 Update m4 files for 3.5.2 release.
- Removed superfluous calls to autoreconf in bootstrap.
Enhancements
- #98 Add Julia Interface fastsum.
- #105 Even bandwith in NFCT and NFST.
- #108 Compute NFFT_EPSILON at runtime.
- #110 In-place fftw for dimension >1 (reduce memory consumption).
- TravisCI tests on Windows and OSX.
- Enable AVX2 in precompiled binaries.
Changes in version 3.5.1:
Bugfixes
- #90 Improve check if tests are executed in Matlab or Octave.
- #92 Build with Octave 5.1.0 fails in Windows.
- #95 FFTW3 Linking problem while building.
- #96 Remove unnecessary dependence on ncurses library.
Enhancements
- #86 Add Julia Interface for NFCT, NFST.
- #87 FSFT: Spherical Fourier transform with equidistant nodes.
- #88 Inverse NFFT via frame approach.
Changes in version 3.5.0:
Bugfixes
- #83 _Complex is not supported by some compilers.
Enhancements
- #62 Extend NFFT Matlab interface to d>4.
- #64 Faster NFFT in 4D and 5D.
- #72 Add support for higher bandwidth in NFSFT and improve parallelization.
- #73 fastsum: Skip nearfield (pre-)computations when eps_I is zero.
- #76 Add NFSOFT Matlab class.
- #77 Add Mex interface for FPT.
- #81 OpenMP parallelization of NFSOFT.
- #82 Add NFFT Julia interface.
Changes in version 3.4.1:
Bugfixes
- #60 Add Latex for target `dist` in Travis.
- #66 `ABS_SRCDIR` might return a wrong path.
- #70 infft1d is missing in release.
- Solved compatibility problem with MATLAB 2018a.
- Fixed wrong libs flag when compiling for Octave and non-combined fftw3_threads.
Enhancements
- #52 Compile mex interface against GNU Octave in TravisCI.
- #63 Add bash script to build statically linked libs in Windows.
- #65 Add Octave tests.
- #68 Add NFSFT Matlab class.
Changes in version 3.4.0:
Bugfixes
- #29 NFSOFT crashes due to false memory free.
- #32 Support fftw3 compatible libraries that do not require -l linker flags,
e.g. Intel MKL.
- #31 Maximum number of plans too low.
- #34 nfft_adjoint() crash with small N_total.
- #50 Build of Octave interface fails in fastsummex bug.
- #54 Remove defunct iterS2 application.
- #55 Use MinGW implementation of printf.
- #57 Internal compiler error with GCC 7 in fastsum.
- #59 Replace %td in format strings with macro __D__ for Windows
compatibility.
Enhancements
- #29 Change definition of NFFT_EPSILON to 2^(1-MANT_DIG) to allow for
better estimation of error bounds when using long double.
- #30 Support cross-compiling (thanks GitHub user xantares).
- #35 Add API to query window function name.
- #39 Add Matlab mex interface for fastsum application.
- #40 Add Matlab mex interface for NFCT and NFST modules.
- #58 Use more efficient method to find log base 2 of an integer.
Changes in version 3.3.2:
Bugfixes
- #20 `make check` crashes on windows.
- #24 Testsuite failures on selected architectures with 3.3.1.
Enhancements
- #25 Add support for GNU Octave via MEX interface.
- #27 Enable query of versioning information.
Changes in version 3.3.1:
Bugfixes
- #2 NFFT/NFST/NFCT transforms fail when using certain window functions.
- #11 NFSFT module crashes due to pointer type incompatibility.
- #14 applications\fastsum\fastsum_matlab produces wrong results in Windows.
- #15 Fixes for Matlab applications/examples in Windows.
- #16 X(bsplines)(n, x) can be inaccurate when x is close to zero.
- #17 MATLAB r2015b/r2016a don't ship symlink libmfftw3.so to libmfftw3.so.3.
- #18 Define format string for ptrdiff_t in platform-dependent macro.
Enhancements
- #3 Allow to select scope of unit tests via configure.
- #1 Extend Travis CI configuration.
Changes in version 3.3.0:
- Added unit tests for some parts of the library. They are invoked via make
check, but only if the CUnit framework was found on the build host.
Changes in version 3.2.4
- Fixed an issue when linker flags were not set correctly.
Changes in version 3.2.3
- Added a workaround for an internal compiler error occuring with gcc 4.7.1
in kernel/mri
- Added a workaround for a compilation error in the MATLAB mex interface for
gcc 4.7.1 when compiling with C99 support (-std=gnu99)
Changes in version 3.2.2:
- Fixed several problems introduced in version 3.2.1
- Fixed an issue when the configure script would not run correctly when using
the option --with-fftw3.
Changes in version 3.2.1:
- Added missing files of new nfft MATLAB (class) interface to release.
Changes in version 3.2.0:
- Added support for OpenMP. To activate, use the configure script with the
--enable-openmp option.
- Added ticks.h from FFTW to leverage CPU cycle counters. If cycle counters
are available, the configure script will try to determine the number of
ticks per second. If successful, example programs measure times in seconds.
Otherwise, example programs will output raw cycle counter differences in
arbitrary units. If cycle counters are not available, results of time
measurements are undefined.
- Renamed functions of direct (non-fast) algorithms to
<function name of fast algorithm>_direct, e.g. the function name for the
direct computation of the non-equispaced Fourier transform is
nfft_trafo_direct(nfft_plan) instead of ndft_trafo(nfft_plan).
Changes in version 3.1.4:
- Added pkg-config file (thanks Gert Wollny)
- Headers include/nfft3util.h, applications/fastsum/fastsum.h, and
applications/fastsum/kernels.h can now be included by C++ compilers.
- Fixed an error that occured when trying to create symbolic links to Matlab mex
files during installation.
- All programs from the application and examples subdirectories are no longer
installed. The same holds for the Matlab code from the matlab subdirectory.
Changes in version 3.1.3:
- Fixed some issues that can cause C++ compilers to fail. Thanks to Romain Bossart.
- Fixed an error that caused linking against FFTW while checking compiler
characteristics in the configure script. This only affected installations where
FFTW had been installed in a custom location.
- Doxygen generated documentation is now only deleted if the target
maintainer-clean is used. The documentation is no longer deleted if the user
invokes the usual clean target.
Changes in version 3.1.2:
- Fixed a bug in fpt_precompute() that caused excessive stabilization and
incorrect results.
- Fixed three bugs in the nfft: window function defines are moved to the
internal header infft.h, a larger lookup table is used for PRE_LIN_PSI, and
nfft_adjoint for d=2,3 and PRE_FULL_PSI writes its output correctly.
Changes in version 3.1.1:
- Added a workaround for an internal compiler error occuring with gcc 4.3.2.
Changes in version 3.1.0:
- The FPT example program, that is, examples/fpt/simple_test has been
modified to not require the NFCT module anymore. This solves the problem
that NFFT won't compile when the FPT module has been switched on while the
NFCT module is swithced off.
Changes in version 3.1.0:
- A module, called nfsoft, for fast Fourier transforms on the rotation group
SO(3) has been added.
- It is now possible to configure the build process so that only specific
modules are compiled and installed. Invoke the configure script with option
"--help" for details.
- The handling of how to link against the fftw3 library has been improved. The
new configure script options "--with-fftw3", "--with-fftw-includedir", and
"--with-fftw-libdir" allow to specify where fftw3 has been installed.
- Improved compliance with GNU standards.
- The experimental Matlab interface has been improved and is now officially a
part of NFFT3. To compile the Matlab modules, invoke the configure script
with the option --with-matlab=<path/to/matlab/directory>. Also, an interface
to the plain NFFT has been added.
Changes in version 3.0.2:
- Fixed a bug in the fpt module that lead to wrong output.
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