1.4.0a1

What's Changed

• Point README.rst badges to the new repo by @skirpichev in #660
• Restore testing doctests/docs on CI (broken by #537) by @skirpichev in #662
• Misc fixes by @skirpichev in #664
• Support underscores (PEP 515) by @skirpichev in #661
• Fix #647 by @Parcly-Taxel in #669
• PEP8 fixes by @cclauss in #665
• Add rationals converter for mpf() by @skirpichev in #666
• DEPS: drop py2 from test and doc, remove compat #594 by @fangchenli in #629
• Fix docs (README.rst and setup.rst) by @skirpichev in #670
• Propagate nan in ei_asymp() by @skirpichev in #672
• Correct odefunc() docstring by @skirpichev in #673
• Use codecov/codecov-action by @skirpichev in #674
• Drop support for Python versions < 3.8 by @skirpichev in #675
• Create CITATION.bib by @devharsh in #681
• Misc fixes by @skirpichev in #679
• update generator used for sparse matrix vector product by @tchen01 in #450
• Raise IndexError if matrix index out of bounds by @skirpichev in #689
• Run CI tests with pytest-xdist by @skirpichev in #685
• Fix nan handling in fp.mag() and hyper() by @skirpichev in #688
• Use pyproject.toml, depend on flake518, update version by @skirpichev in #684
• Add regression tests by @skirpichev in #693
• Misc fixes by @skirpichev in #687
• Correct pow() for mpf's to be consistent with mpfr/float's by @skirpichev in #690
• Avoid using star imports in tests and documentation by @skirpichev in #698
• Misc fixes by @skirpichev in #699
• Use math.isqrt in isqrt_python calculations by @haru-44 in #695
• Use gcd() from the bigint' backend by @skirpichev in #697
• Rewrite bernpoly/eulerpoly to avoid dependency on bernoulli(1) convention by @skirpichev in #700
• Misc fixes by @skirpichev in #701
• Drop private mpq class, use Rational's, provided by backend by @skirpichev in #691
• Change FPContext to use more functions from the stdlib by @skirpichev in #692
• Avoid dynamic method creation in _mpf by @skirpichev in #702
• Enable testing on CPython 3.12-dev by @skirpichev in #706
• Misc fixes by @skirpichev in #703
• Support randmatrix() for mp.iv and mp contexts by @MaxGaukler in #527
• Misc fixes by @skirpichev in #710
• Skip eigenvectors if left=right=False for one-dimentional matrix by @skirpichev in #713
• (Update on PR #543) Fixed TypeError in LU_comp, updated determinant docs and added rank function for matrices by @jan-philipp-hoffmann in #610
• Drop to_pickable()/from_pickable() helpers by @skirpichev in #667
• GitHub Actions: Upgrade to actions/checkout@v4 by @cclauss in #715
• Misc fixes by @skirpichev in #717
• Use bit_length() method instead of bitcount() by @skirpichev in #721
• Misc fixes by @skirpichev in #722
• Misc fixes by @skirpichev in #725
• Add plus flag to select the B_1 sign convention for bernoulli/bernfrac by @skirpichev in #724
• Misc fixes by @skirpichev in #731
• Misc fixes by @skirpichev in #735
• Remove sage backend by @skirpichev in #732
• Misc fixes by @skirpichev in #740
• Misc fixes by @skirpichev in #743
• Correct Dirichlet eta function definition by @paulmasson in #744
• prevent erroneous setting of dps/prec on mpmath module by @cbm755 in #678
• Misc fixes by @skirpichev in #747
• Misc fixes by @skirpichev in #750
• Fix choleksy_solve for complex matrix by @sunqm in #755
• Use setuptools_scm to update version by @skirpichev in #694
• Do not build depend on pip by @tornaria in #758
• Support binary/hexadecimal string output by @skirpichev in #711
• Misc fixes by @skirpichev in #759
• Improve pickling support by @skirpichev in #761
• Misc fixes by @skirpichev in #763
• Misc fixes by @skirpichev in #767
• Update README.rst by @ChefAharoni in #770
• Update README.rst by @ChefAharoni in #771
• Test against PyPy nightly builds by @skirpichev in #772
• sqrt(z): special case for infinite z.imag by @skirpichev in #777
• Correct atan2(±inf, ±inf) by @skirpichev in #775
• Misc fixes by @skirpichev in #778
• Misc fixes by @skirpichev in #782
• Deprecate current (descending) order of coefficients in polyval(), etc by @skirpichev in #779
• Handle infinite arguments in tan/tanh by @skirpichev in #785
• Misc fixes by @skirpichev in #783
• Run mpmath as a module for interactive work by @skirpichev in #773
• v1.4.0a1 by @skirpichev in #769

New Contributors

• @Parcly-Taxel made their first contribution in #669
• @fangchenli made their first contribution in #629
• @devharsh made their first contribution in #681
• @tchen01 made their first contribution in #450
• @haru-44 made their first contribution in #695
• @jan-philipp-hoffmann made their first contribution in #610
• @cbm755 made their first contribution in #678
• @sunqm made their first contribution in #755
• @tornaria made their first contribution in #758
• @ChefAharoni made their first contribution in #770

Full Changelog: 1.3.0...1.4.0a1

1.3.0

Security issues:

• Fixed ReDOS vulnerability in mpmathify() (CVE-2021-29063) (Vinzent Steinberg)

Features:

• Added quadsubdiv() for numerical integration with adaptive path splitting
  (Fredrik Johansson)
• Added the Cohen algorithm for inverse Laplace transforms
  (Guillermo Navas-Palencia)
• Some speedup of matrix multiplication (Fredrik Johansson)
• Optimizations to Carlson elliptic integrals (Paul Masson)
• Added signal functions (squarew(), trianglew(), sawtoothw(), unit_triangle()
  sigmoidw()) (Nike Dattani, Deyan Mihaylov, Tina Yu)

Bug fixes:

• Correct mpf initialization from tuple for finf and fninf (Sergey B Kirpichev)
• Support QR decomposition for matrices of width 0 and 1 (Clemens Hofreither)
• Fixed some cases where elliprj() gave inaccurate results (Fredrik Johansson)
• Fixed cases where digamma() hangs for complex input (Fredrik Johansson)
• Fixed cases of polylog() with integer-valued parameter with complex type
  (Fredrik Johansson)
• Fixed fp.nsum() with Euler-Maclaurin algorithm (Fredrik Johansson)

Maintenance:

• Dropped support for Python 3.4 (Sergey B Kirpichev)
• Documentation cleanup (Sergey B Kirpichev)
• Removed obsolete files (Sergey B Kirpichev)
• Added options to runtests.py to skip tests and exit on failure
  (Jonathan Warner)

v1.0.0

version 1.0.0