v0.49.1

Nemo v0.49.1

Diff since v0.49.0

Merged pull requests:

• Revamp rational reconstruction (#2032) (@fieker)
• Add more addmul! and submul! methods (#2040) (@lgoettgens)
• Add is_positive/negative_entry for QQMatrix and ZZMatrix (#2041) (@lgoettgens)
• use optimized method for one parameter version of is_gen (#2043) (@karlwessel)
• Add FLINT bindings for pow and reverse (#2044) (@felix-roehrich)
• chore: Bump to 0.49.1 (#2046) (@lgoettgens)

v0.49.0

Nemo v0.49.0

Diff since v0.48.4

Breaking changes:

• Changed the printing of QQBar (#2030)

Merged pull requests:

• Optimize map_coefficients, change_base_ring for some inputs (#1994) (@fingolfin)
• More lin alg (#2021) (@fieker)
• Bump codecov/codecov-action from 4 to 5 (#2023) (@dependabot[bot])
• OscarCI: try testing oscar master with released Hecke+Singular (#2028) (@benlorenz)
• Reduce code duplication in QQBar code base (#2029) (@fingolfin)
• Align printing of QQBar with related fields in OSCAR (#2030) (@fingolfin)
• Add many unsafe ops for QQBarElem (#2031) (@fingolfin)
• Check zzModMatrix to be square before powering (#2033) (@lgoettgens)
• Fix documentation: eigenspace does not return a Vector (#2034) (@joschmitt)
• Add support for parallel testing (#2035) (@aaruni96)
• Adapt to conformance test changes in AA (#2036) (@lgoettgens)
• Sparse hnf (#2037) (@fieker)
• fix: divides for trivial input for ZZi (#2038) (@thofma)
• chore: bump to 0.49.0 (#2039) (@thofma)

v0.48.4

Nemo v0.48.4

Diff since v0.48.3

Merged pull requests:

• Fix regression: ambiguity in +,*,- for UnivPoly{ZZRingElem} & ZZRingElem (#2026) (@fingolfin)
• chore: bump version to 0.48.4 (#2027) (@lgoettgens)

v0.48.3

Nemo v0.48.3

Diff since v0.48.2

Merged pull requests:

• fix the solve_triu: (#1985) (@fieker)
• Add some specialized methods for universal polynomials (#2013) (@SoongNoonien)
• Avoid the GC for nmod_mat (zzModMat, fpMatrix) (#2016) (@fieker)
• Allow coercion and conversion from AcbFieldElem and ComplexFieldElem to Float64 and ComplexF64 (#2018) (@jamesnohilly)
• fix: remove parts of docstrings which make :fix sad (#2019) (@thofma)
• Create dependabot.yml (#2020) (@ranocha)
• Replace hardcoded rounding modes with named for arb (#2022) (@jamesnohilly)
• Explicitly qualify constructors that are extended (#2024) (@lgoettgens)
• chore: bump to 0.48.3 (#2025) (@thofma)

v0.48.2

Nemo v0.48.2

Diff since v0.48.1

Merged pull requests:

• fix: add! for QadicFieldElem (#1990) (@thofma)
• Added new function is_unimodular for square integer matrices (#1991) (@JohnAAbbott)
• Add set! methods for QQ/ZZMPolyRingElem (#1993) (@fingolfin)
• Remove workaround in powermod(::FqPolyRingElem, ::ZZRingElem, ::FqPolyRingElem) (#1996) (@lgoettgens)
• Don't compute _fq_default_ctx_type multipe times (#1997) (@lgoettgens)
• Change Flint -> FLINT (#1998) (@albinahlback)
• Direct access to length of FLINT (m)polys (#2001) (@fingolfin)
• Remove redundant methods (#2002) (@fingolfin)
• Fix typos and revert unwanted changes in introduction.md (#2003) (@lgoettgens)
• Some lu improvements (#2007) (@lgoettgens)
• Deduplicate FLINT finalizers (#2008) (@lgoettgens)
• Fix typo in docstring for minpoly(R::QQPolyRing, x::QQBarFieldElem) (#2009) (@fingolfin)
• feat: add lll_gram[_with_transform] for semidefinite matrices (#2011) (@thofma)
• chore: bump to 0.48.2 (#2015) (@thofma)

v0.48.1

Nemo v0.48.1

Diff since v0.48.0

Merged pull requests:

• Jaa/is nilpotent (#1974) (@JohnAAbbott)
• Add is_zero_initialized for FLINT backed matrix types (#1975) (@fingolfin)
• Remove redundant {swap,reverse}_{rows,cols} methods (#1976) (@fingolfin)
• Replace some ccalls by simpler code (#1977) (@fingolfin)
• Merge redundant MatrixSpace dispatches (#1978) (@fingolfin)
• Remove redundant methods for zero, similar, zero_matrix (#1979) (@fingolfin)
• Remove more redundant similar & zero methods (#1980) (@fingolfin)
• nmod_mat.jl: some more add!/sub!/mul! changes (#1981) (@fingolfin)
• Move some more things out of HeckeMoreStuff.jl (#1983) (@fingolfin)
• Remove is_irreducible(a::QQMPolyRingElem) (#1984) (@fingolfin)
• fix: make invmod more robust for non-prime moduli (#1986) (@thofma)
• fix: aliasing bug in mul! (#1987) (@thofma)
• fix: irreducibility of constant polynomials over finite fields (#1988) (@thofma)
• Bump version to 0.48.1 (#1989) (@lgoettgens)

v0.48.0

Nemo v0.48.0

Diff since v0.47.5

Merged pull requests:

• Remove duplicate polynomial call code (#1933) (@lgoettgens)
• Remove global Flint* objects (#1935) (@lgoettgens)
• Extend eigenvalues, eigenvalues_with_multiplicity to integer matrices (#1953) (@JohnAAbbott)
• Add dummy hash functions for arb types (#1954) (@lgoettgens)
• Add div and divrem with rounding argument (#1955) (@paemurru)
• Return value in some parts of algebraic number documentation (#1956) (@gvanuxem)
• Improve factor some more (#1957) (@JohnAAbbott)
• sanitize the solve_triu and sync with AA (#1958) (@fieker)
• Export denominator! and numerator! (#1959) (@fingolfin)
• Enable swap_rows/_cols etc. for ZZModMatrix, FpMatrix (#1960) (@fingolfin)
• FinField: use concrete types for sub-/overfield morphisms to improve inferrability (#1961) (@benlorenz)
• fix: mention matrix dimension in BoundsError (#1962) (@thofma)
• Add some convert method to/from QQBarFieldElem (#1963) (@fingolfin)
• Remove dependency on Pkg (#1964) (@fingolfin)
• Fix root(RealFieldElem(0), 3) (#1965) (@fingolfin)
• Use more FLINT methods for fmpz_mod_mat (#1966) (@fingolfin)
• Bump version to 0.48.0-DEV (#1967) (@lgoettgens)
• Bump AbstractAlgebra to 0.44.0 (#1972) (@lgoettgens)
• Set version to 0.48.0 (#1973) (@lgoettgens)

Closed issues:

• Rename solve_with_det to solve_rational_with_det (#275)
• Rename setindex_t! to setindex_transpose! (#276)
• MPoly powering fails over Z/nZ (#318)
• problem with inverting a matrix over a residue class ring (#504)
• Difference between factor and roots (#608)
• Implement conversion of fmpz_mat's to fmpz_mod_mat's (#678)
• Implement lift for fmpz_mod_mat (#679)
• Implement swap_rows/swap_cols/reverse_rows for fmpz_mod_mat (#681)
• Implement det for fmpz_mod_mat's (#683)
• Implement rank for fmpz_mod_mat's (#684)
• Implement charpoly/minpoly for fmpz_mod_mat's (#686)
• padic log (#950)
• Sudden Loss/Reset of Precision in Bessel Functions (#954)
• delete some of the parent object (ring) printing code (#1082)
• Can we make ComplexField(QQ) ? (#1110)
• Implement ispower and ispower_with_root for fmpz (will require flint-2.9) (#1126)
• Various inplace operators (#1166)
• Do we have addmul! for MatrixSpace (#1177)
• is_squarefree is missing for fmpz_poly and fmpq_poly (#1311)
• Third root of the zero element of the real numbers fails (#1440)
• Add conversion QQBarFieldElem -> Float64 / ComplexF64, and perhaps more generally all Real / Complex subtypes (#1650)
• Import numerator! denominator! from src/QuadForm/Enumeration.jl in Hecke.jl (#1863)
• Consider removing dependency on Pkg (#1895)

v0.47.5

Nemo v0.47.5

Diff since v0.47.4

Merged pull requests:

• Add optimized is_trivial methods for zzModRing and ZZModRing (#1949) (@fingolfin)
• Replace Random.GLOBAL_RNG by Random.default_rng() (#1950) (@fingolfin)
• Make factor work for Int128, UInt128, BigInt (#1951) (@JohnAAbbott)
• fix: wrong caching in relative FqField construction (#1952) (@thofma)

v0.47.4

Nemo v0.47.4

Diff since v0.47.3

Merged pull requests:

• Implement is_squarefree for QQ/ZZPolyRingElem (#1742) (@fingolfin)
• Ensure MatElem subtypes T have T(R::Ring, ::UndefInitializer, r::Int, c::Int) constructor (#1791) (@fingolfin)
• More conformance tests, fix some corner cases (#1883) (@fingolfin)
• Add conversion CalciumField, QQBar -> Float64 (#1893) (@fingolfin)
• Split series over fq_nmod and fq into different files (#1929) (@lgoettgens)
• Update ccall syntax to @ccall (#1932) (@lgoettgens)
• Add some large refactorings to .git-blame-ignore-revs (#1936) (@lgoettgens)
• Replace more ccall syntax (#1938) (@lgoettgens)
• Add global guassian parents without Flint in name (#1939) (@lgoettgens)
• Replace more ccall syntax for serieses (#1940) (@lgoettgens)
• Make low-level ZZRingElem accessors more powerful (#1942) (@fingolfin)
• Fix potential GC issue with hash(::QQFieldElem) (#1943) (@fingolfin)
• Version 0.47.4 (#1945) (@fingolfin)

Closed issues:

• similar(::NemoMatrix, ::Ring) does not produce Nemo matrices (#1826)

v0.47.3

Nemo v0.47.3

Diff since v0.47.2

Merged pull requests:

• Resolve TODO in qqbar code (#1899) (@fingolfin)
• Add and unify one!, zero!, neg! methods for arb types (#1900) (@fingolfin)
• Use setcoeff! in zzModPolyRingElem/fpPolyRingElem constructors (#1903) (@fingolfin)
• More unsafe ops for QQ/ZZMPolyRingElem (#1904) (@fingolfin)
• Unsafe ops for ZZRingElem, QQFieldElem (#1905) (@fingolfin)
• Unsafe ops for fq_default (#1906) (@fingolfin)
• Unsafe ops for QQ/ZZPolyRingElem, QQ/ZZMatrix (#1907) (@fingolfin)
• Add set! for finite field elements (#1908) (@lgoettgens)
• Clean up *_mat_entry_set calls (#1910) (@lgoettgens)
• Use _arb_set/_acb_set instead of ccall (#1912) (@lgoettgens)
• Don't use ccalls where wrappers already exist (fmpz edition) (#1913) (@lgoettgens)
• Don't use ccalls where wrappers already exist (fmpq edition) (#1914) (@lgoettgens)
• CI: stop testing against Julia 1.9 (#1915) (@lgoettgens)
• Fix and use setcoeff! for arb poly rings (#1916) (@lgoettgens)
• Add and use mutating arithmetics for arb poly rings (#1917) (@lgoettgens)
• Don't use ccalls where wrappers already exist (arb mat edition) (#1918) (@lgoettgens)
• Wrap Arb pointer functions into julia functions (#1921) (@lgoettgens)
• Unroll some @eval loops around _arb_set code (#1922) (@lgoettgens)
• Remove unnecessary loop variable from series meta-programming (#1923) (@lgoettgens)
• Fix * for typemin(Int) and fpFieldElem or zzModRingElem (#1926) (@fingolfin)
• Fix @GC.preserve -> GC.@preserve (#1927) (@fingolfin)
• Change _acb_set to take real and imag part as tuple (#1928) (@lgoettgens)
• Fix crash computing zero(ZZ[t]) - zero(ZZ) (#1930) (@fingolfin)
• Bump version to 0.47.3 (#1931) (@lgoettgens)

Closed issues:

• What is the idiomatic way to manipulate Matrix types and Matrix{Elem}? (#1901)
• Avoid void pointers (#1920)