Wed, 6 Mar 2024
version 6.5.2
allow loadtxt to parse numbers, even if built-in complexes are not supported
Tue, 9 Jan 2024
version 6.5.0
add random module
Mon, 25 Dec 2023
version 6.4.3
fix the 'np.delete' error that occurs when passing an empty iterable object as the second positional argument (#653)
Thu, 11 Dec 2023
version 6.4.2
fix upcasting with two uint8 operands (#650)
Thu, 10 Aug 2023
version 6.4.1
fix BOOLEAN issue, which would cause numpy.where funciton abnormally on RP2040(#643)
Thu, 20 Jul 2023
version 6.4.0
implement AND, OR, and XOR binary operators
Sat, 1 Jul 2023
version 6.3.5
allow function itertor in math functions with the out keyword
Fri, 12 May 2023
version 6.3.4
fix compile error when COMPLEX support not enabled
version 6.3.3
Polyval handles non-array as second argument (#601)
version 6.3.2
fix out of bound read
version 6.3.1
fix integer overflows
version 6.3.0
add bitwise operators
Wed, 17 May 2023
version 6.1.1
fix ndarray subscription, when value is NULL
Tue, 16 May 2023
version 6.1.0
add sinc function
Fri, 12 May 2023
version 6.0.13
add bitwise operators
Sun, 7 May 2023
version 6.0.12
ndarray_from_mp_obj correctly treats Boolean arguments
Sat, 6 May 2023
version 6.0.11
.reshape can now interpret unknown shape dimension
Sat, 6 May 2023
version 6.0.10
fix binary division
Sun, 21 Jan 2023
version 6.0.6
raise proper exception in arange
Sun, 21 Jan 2023
version 6.0.7
treat empty arrays in sort_complex correctly
Sun, 21 Jan 2023
version 6.0.5
fix ones()/zeros() method when the amount of memory to allocate overflows
Sun, 15 Jan 2023
version 6.0.4
fix dot function
Sat, 14 Jan 2023
version 6.0.3
fix how concatenate deals with scalar inputs
Tue, 3 Jan 2023
version 6.0.2
fix vectorize
Sat, 5 Nov 2022
version 6.0.1
fix fft.ifft
Wed, 21 Sep 2022
version 6.0.0
bring ulab in line with the latest version of micropython
Thu, 4 Aug 2022
version 5.1.1
fix how arctan2 treats scalars
Mon, 25 July 2022
version 5.1.0
add nonzero
Mon, 16 May 2022
version 5.0.7
fix in-place assignment from slices
Thu, 14 Apr 2022
version 5.0.6
use m_new0 conditionally
Thu, 14 Apr 2022
version 5.0.5
fix sorting on empty arrays
Fri, 18 Feb 2022
version 5.0.4
fix the handling of empty arrays in binary_op
Thu, 10 Feb 2022
version 5.0.3
fix complex slicing
Tue, 8 Feb 2022
version 5.0.2
fix np.diag
Thu, 3 Feb 2022
version 5.0.1
add optional ULAB_HASH string
Tue, 1 Feb 2022
version 5.0.0
move scipy.signal.spectrogram to utils.spectrogram
Tue, 1 Feb 2022
version 4.4.2
add skiprows keyword to loadtxt
Sat, 29 Jan 2022
version 4.4.1
add dtype keyword to loadtxt
Thu, 27 Jan 2022
version 4.4.0
implement numpy.savetxt, numpy.loadtxt
Tue, 15 Jan 2022
version 4.3.2
fix rp2 port compilation
Wed, 19 Jan 2022
version 4.3.1
fix signal.sosfilt
Wed, 19 Jan 2022
version 4.3.0
implement numpy.save, numpy.load
Tue, 18 Jan 2022
version 4.2.1
fix ndarray_copy_view for Boolean dtypes
Fri, 14 Jan 2022
version 4.2.0
add numpy.size, asarray
Wed, 12 Jan 2022
version 4.2.0
implement numpy.save, numpy.load
Wed, 12 Jan 2022
version 4.1.1
fix complex printout for long arrays
Wed, 12 Jan 2022
version 4.1.0
add numpy.delete
Sat, 8 Jan 2022
version 4.0.0
add complex support, .tolist() method, .imag, .real array properties, compress, conjugate, imag, real, sort_complex functions
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