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python-PyWavelets
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File python-PyWavelets.changes of Package python-PyWavelets
------------------------------------------------------------------- Thu Jan 30 15:26:02 UTC 2020 - Todd R <toddrme2178@gmail.com> - Update to version 1.1.1 * This release is identical in functionality to 1.1.0. It fixes setup.py to prevent pip from trying to install from PyPI for Python < 3.5. - Update to version 1.1.0 + New features * All ``swt`` functions now have a new ``trim_approx`` option that can be used to exclude the approximation coefficients from all but the final level of decomposition. This mode makes the output of these functions consistent with the format of the output from the corresponding ``wavedec`` functions. * All ``swt`` functions also now have a new ``norm`` option that, when set to ``True`` and used in combination with ``trim_approx=True``, gives a partition of variance across the transform coefficients. In other words, the sum of the variances of all coefficients is equal to the variance of the original data. This partitioning of variance makes the ``swt`` transform more similar to the multiple-overlap DWT (MODWT) described in Percival and Walden's book, "Wavelet Methods for Time Series Analysis". A demo of this new ``swt`` functionality is available at https://github.com/PyWavelets/pywt/blob/master/demo/swt_variance.py * The continuous wavelet transform (``cwt``) now offers an FFT-based implementation in addition to the previous convolution based one. The new ``method`` argument can be set to either ``'conv'`` or ``'fft'`` to select between these two implementations.. * The ``cwt`` now also has ``axis`` support so that CWTs can be applied in batch along any axis of an n-dimensional array. This enables faster batch transformation of signals. + Backwards incompatible changes * When the input to ``cwt`` is single precision, the computations are now performed in single precision. This was done both for efficiency and to make ``cwt`` handle dtypes consistently with the discrete transforms in PyWavelets. This is a change from the prior behaviour of always performing the ``cwt`` in double precision. * When using complex-valued wavelets with the ``cwt``, the output will now be the complex conjugate of the result that was produced by PyWavelets 1.0.x. This was done to account for a bug described below. The magnitude of the ``cwt`` coefficients will still match those from previous releases. + Bugs Fixed * For a ``cwt`` with complex wavelets, the results in PyWavelets 1.0.x releases matched the output of Matlab R2012a's ``cwt``. Howveer, older Matlab releases like R2012a had a phase that was of opposite sign to that given in textbook definitions of the CWT (Eq. 2 of Torrence and Compo's review article, "A Practical Guide to Wavelet Analysis"). Consequently, the wavelet coefficients were the complex conjugates of the expected result. This was validated by comparing the results of a transform using ``cmor1.0-1.0`` as compared to the ``cwt`` implementation available in Matlab R2017b as well as the function ``wt.m`` from the Lancaster University Physics department's `MODA toolbox <https://github.com/luphysics/MODA>`_. * For some boundary modes and data sizes, round-trip ``dwt``/``idwt`` can result in an output that has one additional coefficient. Prior to this relese, this could cause a failure during ``WaveletPacket`` or ``WaveletPacket2D`` reconstruction. These wavelet packet transforms have now been fixed and round-trip wavelet packet transforms always preserve the original data shape. * All inverse transforms now handle mixed precision coefficients consistently. Prior to this release some inverse transform raised an error upon encountering mixed precision dtypes in the wavelet subbands. In release 1.1, when the user-provided coefficients are a mixture of single and double precision, all coefficients will be promoted to double precision. * A bug that caused a failure for ``iswtn`` when using user-provided ``axes`` with non-uniform shape along the transformed axes has been fixed. + Other changes * The PyWavelet test suite now uses ``pytest`` rather than ``nose``. * Cython code has been updated to use ``language_level=3``. * PyWavelets has adopted the SciPy Code of Conduct. - Drop doc subpackage. readthedocs is changing their url structure too quickly to easily keep up with. ------------------------------------------------------------------- Tue Jul 23 02:28:20 UTC 2019 - Todd R <toddrme2178@gmail.com> - Update to version 1.0.3 PyWavelets 1.0.3 is functionally equivalent to the 1.0.2 release. It was made to archive the JOSS paper about PyWavelets to the 1.0.x branch and serve as a reference corresponding to the version that was peer reviewed. ------------------------------------------------------------------- Tue Mar 12 19:30:58 CET 2019 - Matej Cepl <mcepl@suse.com> - Update to version 1.0.2: PyWavelets 1.0.2 is a bug-fix and maintenance release with no new features compared to 1.0.1. * Bugs Fixed - A bug in iswtn when using some combinations of user-specified axes was fixed. - A potential error related to coefficient shape mismatch during WaveletPacket or WaveletPacket2D reconstruction was fixed. * Other Changes - A deprecated import of Iterable was fixed. - The spelling of "Garrote" was fixed in the wavelet thresholding documentation. For backwards compatibility with 1.0.0, the incorrect ("garotte") spelling is also accepted for the mode parameter of pywt.threshold. - The spelling of "supported" was fixed in one of the ValueError messages that can be returned by pywt.cwt. - Cython language compatibility has been pinned to language_level = '2'. This is in contrast to the master branch which is now using language_level = '3'. To support this, the minimum supported Cython version has been raised to 0.23.5. ------------------------------------------------------------------- Fri Jan 4 17:31:38 UTC 2019 - Todd R <toddrme2178@gmail.com> - Update to version 1.0.1 * Key-based assignment of coefficients to a ``FswavedecnResult`` object (i.e. via its __setitem__ method) has been fixed. * The order that the individual subband coefficients were stacked by the function ``pywt.ravel_coeffs`` is now guaranteed to be consistent across all supported Python versions. Explicit alphabetic ordering of subband coefficient names is used for consitent ordering regardless of Python version - Update to version 1.0.0 + New features * New 1D test signals * C99 complex support * complex-valued CWT * More flexible specification of some continuous wavelets * Fully Separable Discrete Wavelet Transfrom * New thresholding methods * New anti-symmetric boundary modes * New functions to ravel and unravel wavedecn coefficients * New functions to determine multilevel DWT coefficient shapes and sizes + Deprecated features * The continous wavelets with names ``"cmor"``, ``"shan"`` and ``"fbsp"`` should now be modified to include formerly hard-coded attributes such as their center frequency and bandwidth. Use of the bare names "cmor". "shan" and "fbsp" is now deprecated. For "cmor" (and "shan"), the form of the wavelet name is now "cmorB-C" ("shanB-C") where B and C are floats representing the bandwidth frequency and center frequency. For "fbsp" the form should now incorporate three floats as in "fbspM-B-C" where M is the spline order and B and C are the bandwidth and center frequencies. + Backwards incompatible changes * Python 2.6, 3.3 and 3.4 are no longer supported. * The order of coefficients returned by ``swt2`` and input to ``iswt2`` have been reversed so that the decomposition levels are now returned in descending rather than ascending order. This makes these 2D stationary wavelet functions consistent with all of the other multilevel discrete transforms in PyWavelets. * For ``wavedec``, ``wavedec2`` and ``wavedecn``, the ability for the user to specify a ``level`` that is greater than the value returned by ``dwt_max_level`` has been restored. A ``UserWarning`` is raised instead of a ``ValueError`` in this case. + Bugs Fixed * Assigning new data to the ``Node`` or ``Node2D`` no longer forces a cast to ``float64`` when the data is one of the other dtypes supported by the dwt (``float32``, ``complex64``, ``complex128``). * Calling ``pywt.threshold`` with ``mode='soft'`` now works properly for complex-valued inputs. * A segfault when running multiple `swt2` or `swtn` transforms concurrently has been fixed. * Several instances of deprecated numpy multi-indexing that caused warnings in numpy >=1.15 have been resolved. * The 2d inverse stationary wavelet transform, `iswt2`, now supports non-square inputs (an unnecessary check for square inputs was removed). * Wavelet packets no longer convert float32 to float64 upon assignment to nodes. * Doctests have been updated to also work with NumPy >= 1.14, * Indexing conventions have been updated to avoid FutureWarnings in NumPy 1.15. + Other changes * Python 3.7 is now officially supported. - Remove upstream-included add_default_to_switch_statement.patch ------------------------------------------------------------------- Wed Jul 18 12:00:14 UTC 2018 - tchvatal@suse.com - Stricten numpy dependency ------------------------------------------------------------------- Sun Aug 6 04:34:02 UTC 2017 - toddrme2178@gmail.com - Fix shebangs ------------------------------------------------------------------- Wed May 24 13:46:05 UTC 2017 - toddrme2178@gmail.com - Implement single-spec version - Fix source URL - Update to version 0.5.2 Highlights: * 1D, 2D and nD Forward and Inverse Discrete Wavelet Transform (DWT and IDWT) * 1D, 2D and nD Multilevel DWT and IDWT * 1D and 2D Forward and Inverse Stationary Wavelet Transform * 1D and 2D Wavelet Packet decomposition and reconstruction * 1D Continuous Wavelet Transform * When multiple valid implementations are available, we have chosen to maintain consistency with |MATLAB|'s Wavelet Toolbox. - Add add_default_to_switch_statement.patch Fixes no-return-in-nonvoid-function error From: https://github.com/PyWavelets/pywt/commit/91b0a7bdbdd181bfb765246a9ec949b1cf2d12ad ------------------------------------------------------------------- Mon Jan 11 08:29:46 UTC 2016 - toddrme2178@gmail.com - Update to 0.4.0 + Highlights: * 1D and 2D inverse stationary wavelet transforms * Substantially faster 2D and nD discrete wavelet transforms * Complex number support * nD versions of the multilevel DWT and IDWT - Update to 0.3.0 + Highlights: * Support for Python 3.x (>=3.3) * Added a test suite (based on nose, coverage up to 61% so far) * Maintenance work: C style complying to the Numpy style guide, improved templating system, more complete docstrings, pep8/pyflakes compliance, and more. ------------------------------------------------------------------- Thu Oct 24 17:40:23 UTC 2013 - toddrme2178@gmail.com - Update to 0.2.2 * Bugfixes ------------------------------------------------------------------- Wed Jun 13 20:31:30 UTC 2012 - scorot@free.fr - use proper python command instead of %%{__python} macro - remove -O1 and --skip-build flags from the install command line ------------------------------------------------------------------- Wed Jun 13 19:10:42 UTC 2012 - scorot@free.fr - first package
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