Fri, 3 Dec 2021 version 3.3.8 fix any/all function Tue, 30 Nov 2021 version 3.3.7 fix sum() for integer/Boolean types Sat, 20 Nov 2021 version 3.3.6 fix .shape for arrays of zero length (#454) Sun, 07 Nov 2021 version 3.3.5 fix cast in numpy/compare.c:compare_function() Sat, 07 Aug 2021 version 3.3.4 change default keyword value in linalg.qr Fri, 23 Jul 2021 version 3.3.3 fix compilation for one dimension Thu, 22 Jul 2021 version 3.3.2 fix compilation error on SAMD devices Thu, 22 Jul 2021 version 3.3.1 fix sum for 4D arrays Thu, 22 Jul 2021 version 3.3.0 add QR decomposition Tue, 13 Jul 2021 version 3.2.0 add flatiter/flat to ndarray methods Tue, 22 Jun 2021 version 3.1.1 fix float comparison in scipy/linalg.c Sat, 19 Jun 2021 version 3.1.0 ndarray.shape can now be assigned to Thu, 17 Jun 2021 version 3.0.1 add the .T ndarray property Wed, 9 Jun 2021 version 3.0.0 implement property getter/setter for micropython Thu, 3 Jun 2021 version 2.9.0 add empty as alias for zeros Thu, 3 Jun 2021 version 2.8.8 allow functions in approx to take iterables as argument Thu, 3 Jun 2021 version 2.8.7 simplify vectorised function code Wed, 2 Jun 2021 version 2.8.6 factor out array creation from iterables, so that generic iterables can be passed to numerical functions Tue, 1 Jun 2021 version 2.8.5 fix upcasting rules for ndarray + scalar Mon, 31 May 2021 version 2.8.4 initialise arange values via macro Mon, 24 May 2021 version 2.8.3 fix nan return value Sat, 22 May 2021 version 2.8.2 fix all/any/median for empty arrays Tue, 18 May 2021 version 2.8.1 fix array initialisation/print with empty iterables Sun, 16 May 2021 version 2.8.0 added cho_solve function in scipy.linalg module Thu, 13 May 2021 version 2.7.1 fix garbage collection problem Wed, 5 May 2021 version 2.7.0 added linalg module in scipy with solve_triangular function Mon, 26 Apr 2021 version 2.6.2 fix optimize zero condition Sat, 23 Apr 2021 version 2.6.1 fix implementation of math constants Mon, 22 Mar 2021 version 2.6.0 add where function Mon, 8 Mar 2021 version 2.5.1 fix linspace/logspace/arange for Boolean dtypes Wed, 03 Mar 2021 version 2.5.0 added utils sub-module with from_intbuffer function Tue, 23 Feb 2021 version 2.4.5 fix dot function Sun, 21 Feb 2021 version 2.4.3 re-introduce ndarray_get_buffer, and buffer protocol Sun, 21 Feb 2021 version 2.4.2 fix ndarray_is_dense, eye, ones, full, and zeros for Boolean type Sat, 13 Feb 2021 version 2.4.1 fixed dot error Fri, 12 Feb 2021 version 2.4.0 added byteswap method Sun, 14 Feb 2021 version 2.3.7 fixed frombuffer implementation glitch Sat, 13 Feb 2021 version 2.3.6 moved trace and dot to the top level Wed, 10 Feb 2021 version 2.3.5 fixed invisible error in tools_reduce_axes, simplified the implementation of all/any Tue, 9 Feb 2021 version 2.3.4 removed redundant exception from linalg.norm, fixed exception message in tools_reduce_axes Tue, 9 Feb 2021 version 2.3.3 linalg.norm should now work with the axis keyword argument Mon, 8 Feb 2021 version 2.3.2 improved the accuracy of linalg.norm, and extended it to generic iterables Mon, 8 Feb 2021 version 2.3.1 partially fix https://github.com/v923z/micropython-ulab/issues/304, and len unary operator Mon, 8 Feb 2021 version 2.3.0 added any and all functions Fri, 29 Jan 2021 version 2.2.0 added isinf/infinite functions Fri, 29 Jan 2021 version 2.1.5 fixed error, when calculating standard deviation of iterables wed, 27 Jan 2021 version 2.1.4 arrays can now be initialised from nested iterables Thu, 21 Jan 2021 version 2.1.3 added ifndef/endif wrappers in ulab.h Fri, 15 Jan 2021 version 2.1.2 fixed small error in frombuffer Thu, 14 Jan 2021 version 2.1.1 fixed bad error in diff Thu, 26 Nov 2020 version 2.1.0 implemented frombuffer Tue, 24 Nov 2020 version 2.0.0 implemented numpy/scipy compatibility Tue, 24 Nov 2020 version 1.6.0 added Boolean initialisation option Mon, 23 Nov 2020 version 1.5.1 fixed nan definition version 1.5.0 added nan/inf class level constants version 1.4.10 fixed sosfilt version 1.4.9 added in-place sort version 1.4.8 fixed convolve version 1.4.7. fixed iteration loop in norm Fri, 20 Nov 2020 version 1.4.6 fixed interp Thu, 19 Nov 2020 version 1.4.5 eliminated fatal micropython error in ndarray_init_helper version 1.4.4 fixed min, max version 1.4.3 fixed full, zeros, ones version 1.4.2 fixed dtype Wed, 18 Nov 2020 version 1.4.1. fixed std version 1.4.0 removed size from linalg version 1.3.8 fixed trapz Tue, 17 Nov 2020 version 1.3.7 fixed in-place power, in-place divide, roll Mon, 16 Nov 2020 version 1.3.6 fixed eye Mon, 16 Nov 2020 version 1.3.5 fixed trace Mon, 16 Nov 2020 version 1.3.4 fixed clip Mon, 16 Nov 2020 version 1.3.3 added function pointer option to some binary operators Fri, 13 Nov 2020 version 1.3.2 implemented function pointer option in vectorise Thu, 12 Nov 2020 version 1.3.1 factored out some of the math functions in re-usable form Wed, 11 Nov 2020 version 1.3.0 added dtype function/method/property Wed, 11 Nov 2020 version 1.2.8 improved the accuracy of sum for float types Wed, 11 Nov 2020 version 1.2.7 fixed transpose improved the accuracy of trapz Tue, 10 Nov 2020 version 1.2.6 fixed slicing Mon, 9 Nov 2020 version 1.2.5 fixed array casting glitch in make_new_core Mon, 9 Nov 2020 version 1.2.4 sum/mean/std can flatten the arrays now Tue, 3 Nov 2020 version 1.2.1 fixed pointer issue in eig, and corrected the docs Tue, 3 Nov 2020 version 1.2.0 added median function Tue, 3 Nov 2020 version 1.1.4 fixed norm and shape Mon, 2 Nov 2020 version 1.1.3 fixed small glitch in diagonal, and ndarray_make_new_core Sun, 1 Nov 2020 version 1.1.1 fixed compilation error for 4D Sat, 31 Oct 2020 version 1.1.0 added the diagonal function Fri, 30 Oct 2020 version 1.0.0 added : support for tensors of rank 4 proper broadcasting views .tobytes() concatenate cross full logspace in-place operators Sat, 25 Oct 2020 version 0.54.5 wrong type in slices raise TypeError exception Fri, 23 Oct 2020 version 0.54.4 fixed indexing error in slices Mon, 17 Aug 2020 version 0.54.3 fixed small error in linalg Mon, 03 Aug 2020 version 0.54.2 argsort throws an error, if the array is longer than 65535 Wed, 29 Jul 2020 version 0.54.1 changed to size_t for the length of arrays Thu, 23 Jul 2020 version 0.54.0 added norm to linalg Wed, 22 Jul 2020 version 0.53.2 added circuitpython documentation stubs to the source files Wed, 22 Jul 2020 version 0.53.1 fixed arange with negative steps Mon, 20 Jul 2020 version 0.53.0 added arange to create.c Thu, 16 Jul 2020 version 0.52.0 added trapz to approx Mon, 29 Jun 2020 version 0.51.1 fixed argmin/argmax issue Fri, 19 Jun 2020 version 0.51.0 add sosfilt to the filter sub-module Fri, 12 Jun 2020 version 0.50.2 fixes compilation error in openmv Mon, 1 Jun 2020 version 0.50.1 fixes error in numerical max/min Mon, 18 May 2020 version 0.50.0 move interp to the approx sub-module Wed, 06 May 2020 version 0.46.0 add curve_fit to the approx sub-module version 0.44.0 add approx sub-module with newton, fmin, and bisect functions Thu, 30 Apr 2020 version 0.44.0 add approx sub-module with newton, fmin, and bisect functions Tue, 19 May 2020 version 0.46.1 fixed bad error in binary_op Wed, 6 May 2020 version 0.46 added vectorisation of python functions Sat, 2 May 2020 version 0.45.0 add equal/not_equal to the compare module Tue, 21 Apr 2020 version 0.42.0 add minimum/maximum/clip functions Mon, 20 Apr 2020 version 0.41.6 argument handling improvement in polyfit Mon, 20 Apr 2020 version 0.41.5 fix compilation errors due to https://github.com/micropython/micropython/commit/30840ebc9925bb8ef025dbc2d5982b1bfeb75f1b Sat, 18 Apr 2020 version 0.41.4 fix compilation error on hardware ports Tue, 14 Apr 2020 version 0.41.3 fix indexing error in dot function Thu, 9 Apr 2020 version 0.41.2 fix transpose function Tue, 7 Apr 2020 version 0.41.2 fix discrepancy in argmin/argmax behaviour Tue, 7 Apr 2020 version 0.41.1 fix error in argsort Sat, 4 Apr 2020 version 0.41.0 implemented == and != binary operators Fri, 3 Apr 2020 version 0.40.0 added trace to linalg Thu, 2 Apr 2020 version 0.39.0 added the ** operator, and operand swapping in binary operators Thu, 2 Apr 2020 version 0.38.1 added fast option, when initialising from ndarray_properties Thu, 12 Mar 2020 version 0.38.0 added initialisation from ndarray, and the around function Tue, 10 Mar 2020 version 0.37.0 added Cholesky decomposition to linalg.c Thu, 27 Feb 2020 version 0.36.0 moved zeros, ones, eye and linspace into separate module (they are still bound at the top level) Thu, 27 Feb 2020 version 0.35.0 Move zeros, ones back into top level ulab module Tue, 18 Feb 2020 version 0.34.0 split ulab into multiple modules Sun, 16 Feb 2020 version 0.33.2 moved properties into ndarray_properties.h, implemented pointer arithmetic in fft.c to save some time Fri, 14 Feb 2020 version 0.33.1 added the __name__attribute to all sub-modules Thu, 13 Feb 2020 version 0.33.0 sub-modules are now proper sub-modules of ulab Mon, 17 Feb 2020 version 0.32.1 temporary fix for issue #40 Tue, 11 Feb 2020 version 0.32.0 added itemsize, size and shape attributes to ndarrays, and removed rawsize Mon, 10 Feb 2020 version 0.31.0 removed asbytearray, and added buffer protocol to ndarrays, fixed bad error in filter.c Sun, 09 Feb 2020 version 0.30.2 fixed slice_length in ndarray.c Sat, 08 Feb 2020 version 0.30.1 fixed typecode error, added variable inspection, and replaced ternary operators in filter.c Fri, 07 Feb 2020 version 0.30.0 ulab functions can arbitrarily be excluded from the firmware via the ulab.h configuration file Thu, 06 Feb 2020 version 0.27.0 add convolve, the start of a 'filter' functionality group Wed, 29 Jan 2020 version 0.26.7 fixed indexing error in linalg.dot Mon, 20 Jan 2020 version 0.26.6 replaced MP_ROM_PTR(&mp_const_none_obj), so that module can be compiled for the nucleo board Tue, 7 Jan 2020 version 0.26.5 fixed glitch in numerical.c, numerical.h Mon, 6 Jan 2020 version 0.26.4 switched version constant to string Tue, 31 Dec 2019 version 0.263 changed declaration of ulab_ndarray_type to extern Fri, 29 Nov 2019 version 0.262 fixed error in macro in vectorise.h Thu, 28 Nov 2019 version 0.261 fixed bad indexing error in linalg.dot Tue, 6 Nov 2019 version 0.26 added in-place sorting (method of ndarray), and argsort Mon, 4 Nov 2019 version 0.25 added first implementation of sort, and fixed section on compiling the module in the manual Thu, 31 Oct 2019 version 0.24 added diff to numerical.c Tue, 29 Oct 2019 version 0.23 major revamp of subscription method Sat, 19 Oct 2019 version 0.21 fixed trivial bug in .rawsize() Sat, 19 Oct 2019 version 0.22 fixed small error in linalg_det, and implemented linalg_eig. Thu, 17 Oct 2019 version 0.21 implemented uniform interface for fft, and spectrum, and added ifft. Wed, 16 Oct 2019 version 0.20 Added flip function to numerical.c, and moved the size function to linalg. In addition, size is a function now, and not a method. Tue, 15 Oct 2019 version 0.19 fixed roll in numerical.c: it can now accept the axis=None keyword argument, added determinant to linalg.c Mon, 14 Oct 2019 version 0.18 fixed min/man function in numerical.c; it conforms to numpy behaviour Fri, 11 Oct 2019 version 0.171 found and fixed small bux in roll function Fri, 11 Oct 2019 version 0.17 universal function can now take arbitrary typecodes Fri, 11 Oct 2019 version 0.161 fixed bad error in iterator, and make_new_ndarray Thu, 10 Oct 2019 varsion 0.16 changed ndarray to array in ulab.c, so as to conform to numpy's notation extended subscr method to include slices (partially works) Tue, 8 Oct 2019 version 0.15 added inv, neg, pos, and abs unary operators to ndarray.c Mon, 7 Oct 2019 version 0.14 made the internal binary_op function tighter, and added keyword arguments to linspace Sat, 4 Oct 2019 version 0.13 added the <, <=, >, >= binary operators to ndarray Fri, 4 Oct 2019 version 0.12 added .flatten to ndarray, ones, zeros, and eye to linalg Thu, 3 Oct 2019 version 0.11 binary operators are now based on macros