v0.44.6

AbstractAlgebra v0.44.6

Diff since v0.44.5

Merged pull requests:

• Import more ConformanceTests stuff into TestExt (#1978) (@fingolfin)
• Create dependabot.yml (#1984) (@ranocha)
• Bump codecov/codecov-action from 4 to 5 (#1987) (@dependabot[bot])
• Explicitely import Base.Matrix (#1988) (@lgoettgens)
• OscarCI: try testing oscar master with released Nemo+Hecke+Singular (#1990) (@lgoettgens)
• Add is_zero(::NCRing) as an alias of is_trivial (#1991) (@emikelsons)
• Simplify and slightly optimize vars(::MPolyRingElem) (#1994) (@fingolfin)
• feat: add some missing rational function field functionality (#1995) (@thofma)
• chore: bump to 0.44.6 (#1997) (@thofma)

v0.44.5

AbstractAlgebra v0.44.5

Diff since v0.44.4

Merged pull requests:

• Solve triu (#1939) (@fieker)
• refactor: evaluate/subst for univariate polynomials (#1948) (@thofma)
• Move conformance tests to a package extension (#1954) (@lgoettgens)
• Add changelog file (#1962) (@aaruni96)
• Add content(::UnivPoly), fix potentially wrong result in content(::MatrixElem), optimize a few other content methods (#1970) (@lgoettgens)
• Remove content(::PolyRingElem{<:FieldElem}) method which always returns 1, as this disagrees with the definition of content over some fields (#1971) (@lgoettgens)
• Fix docstring for divides to clarify that if the first return value is false then the second is undefined (and not necessarily zero as was claimed before) (#1972) (@thofma)
• Enable multivariate factorization in characteristic 0 (at least over coefficient rings for which univariate factorization is implemented) (#1973) (@thofma)
• Add stub for is_known (#1974) (@HechtiDerLachs)
• Improve documentation of add_verbosity_scope (#1975) (@JohnAAbbott)
• Don't mention charpoly_only in docstrings (#1977) (@fingolfin)
• Improved matrix documentation (#1982) (@emikelsons)
• Optimize gens for universal polynomials (#1983) (@SoongNoonien)
• Restructure @varnames_interface calls (#1985) (@lgoettgens)
• chore: bump to 0.44.5 (#1986) (@thofma)

Closed issues:

• exponent_vectors of universal polynomials (#1256)
• Move conformance tests into AA itself (possibly in a package extension) (#1936)
• Optimize gens(S::UniversalPolyRing, v::Vector{<:VarName}) (#1980)

v0.44.4

AbstractAlgebra v0.44.4

Diff since v0.44.3

Merged pull requests:

• Use is_trivial when possible (#1965) (@fingolfin)
• Remove ignore_kwargs; instead always ignore all kwargs in @attr (#1966) (@lgoettgens)
• fix: argument check for remove of MPoly (#1967) (@thofma)
• Bump version to 0.44.4 (#1968) (@lgoettgens)

v0.44.3

AbstractAlgebra v0.44.3

Diff since v0.44.2

Merged pull requests:

• Don't require base_ring in ring conformance tests (#1946) (@fingolfin)
• fix: promotion for matrix-scalar operations (#1949) (@thofma)
• Add conformance tests for MPolyRing, and fix bugs in ^ and is_unit for MPoly (#1950) (@fingolfin)
• Replace uses of elem_type(coefficient_ring(R)) (#1956) (@fingolfin)
• Add ignore_kwargs to @attr macro (#1958) (@lgoettgens)
• Bump version to 0.44.3 (#1963) (@lgoettgens)

Closed issues:

• Ring conformance tests should not require base_ring (#1944)

v0.44.2

AbstractAlgebra v0.44.2

Diff since v0.44.1

Merged pull requests:

• Is_unit and is_nilpotent (with tests) (#1933) (@JohnAAbbott)
• Fix show method for MatSpace (#1934) (@fingolfin)
• Re-enable conformance test for residue ring over Z[x] (#1938) (@fingolfin)
• Make is_exact_type and is_domain_type more convenient (#1942) (@fingolfin)
• Version 0.44.2 (#1945) (@fingolfin)

Closed issues:

• isunit for univariate and multivariate polynomials is incorrect over Z/nZ (#11)
• provide interface-conformance testsets (#312)
• Distinguish inexact rings (#860)
• Question about conformance test performing isone(inv(one(R))) (#994)

v0.44.1

AbstractAlgebra v0.44.1

Diff since v0.44.0

Merged pull requests:

• Remove redundant global keyword usage (#1927) (@fingolfin)
• swap_cols and swap_rows for Julia matrices (#1928) (@fingolfin)
• Add is_zero_initialized trait for matrix types (#1929) (@fingolfin)
• Avoid unnecessary matrix zero-initialization (#1930) (@fingolfin)
• Avoid an unnecessary allocation calling permutedims (#1931) (@fingolfin)
• Bump version to 0.44.1 (#1932) (@lgoettgens)

Closed issues:

• f.(A) for a matrix A and a function f? (#259)
• Make MatrixElem belong to AbstractArray{T, 2} (#417)
• Generic.Rings.{elem,parent}_type test (#471)
• gens vs nvars (#596)
• AdditiveGroup <: Group ? (#795)
• should we make isone(::PolynomialElem) and isgen(::PolynomialElem) more correct on zero rings? (#978)
• generating set for the trivial group (#1030)
• Test failure in Generic.Mat.Nullspace (#1120)
• How to convert an univariate polynomial to a multivariate polynomial? (#1503)
• Provide swap_rows, swap_rows! etc. also for Julia matrices? (#1730)

v0.44.0

AbstractAlgebra v0.44.0

Diff since v0.43.12

Merged pull requests:

• Refactor polysubst.jl (#1889) (@lgoettgens)
• Change similar, zero_matrix, ones_matrix to use UndefInitializer constructors (#1909) (@fingolfin)
• fix: multivariate polynomial rings over zero rings (#1910) (@thofma)
• Solve triu (#1920) (@fieker)
• Add generic dispatch for ideal_type (#1924) (@fingolfin)
• Set version to 0.44.0-DEV (#1925) (@fingolfin)
• Set version to 0.44.0 (#1926) (@lgoettgens)

v0.43.12

AbstractAlgebra v0.43.12

Diff since v0.43.11

Merged pull requests:

• Add is_abelian for groups (#1907) (@lgoettgens)
• Use DocMeta.setdocmeta with AbstractAlgebra.doctestsetup (#1908) (@fingolfin)
• fix: univariate polynomial rings over zero rings (#1911) (@thofma)
• Add implication: integral domains are not trivial (#1912) (@fingolfin)
• docs: Generic.ResidueRing -> Generic.EuclideanRingResidueRing (#1913) (@fingolfin)
• Use Random.default_rng() instead of Random.GLOBAL_RNG (#1914) (@fingolfin)
• Add generic is_trivial method for ResidueRing (#1915) (@fingolfin)
• Replace some more instances of GLOBAL_RNG (#1916) (@fingolfin)
• WeakKeyIdDict:fix return value for sizehint! (#1917) (@fingolfin)
• Enable factor(::Rational) (#1918) (@fingolfin)
• Add hash(::LocalizedEuclideanRingElem) (#1919) (@lgoettgens)
• Version 0.43.12 (#1922) (@fingolfin)
• Fix CI in Julia 1.11.2 (#1923) (@fingolfin)

Closed issues:

• Reduce duplication in doctest setup (#1897)

v0.43.11

AbstractAlgebra v0.43.11

Diff since v0.43.10

Merged pull requests:

• Simplify and fix similar and zero for our matrix types (#1890) (@fingolfin)
• Fix snf_with_transform issue over non-domain (#1899) (@fingolfin)
• Adapt to hvcat error type in julia (#1902) (@lgoettgens)
• Use math mode in two places in the manual (#1903) (@fingolfin)
• feat: more generic is_trivial (#1905) (@thofma)
• Add Base.keys(::MatElem) (#1906) (@lgoettgens)

Closed issues:

• Failing matrix test on nightly (#1901)

v0.43.10

AbstractAlgebra v0.43.10

Diff since v0.43.9

Merged pull requests:

• Tweak printing of Julia parent types (#1883) (@fingolfin)
• Make matrix(R::Ring, arr::AbstractMatrix) more useful (#1887) (@fingolfin)
• Get rid of InteractiveUtils dependency (#1888) (@lgoettgens)
• Make @show_special a noop if no attribute storage available (#1891) (@lgoettgens)
• Adapt test_mutating_op_like_(add)mul to work with scalar mul as well (#1892) (@lgoettgens)
• Turn ConstPolyRing example into a doctest (#1894) (@fingolfin)
• Add AbstractAlgebra.doctestsetup() helper and use it, then regenerate doctests so they benefit from @show_name (#1895) (@fingolfin)
• Fix show for PolyRingAnyMap (#1896) (@fingolfin)
• Improve copy & deepcopy for MatSpaceElem (#1898) (@fingolfin)
• Version 0.43.10 (#1900) (@fingolfin)

Closed issues:

• Add more *_type functions (#1264)