v0.13.3

AbstractAlgebra v0.13.3

Diff since v0.13.2

Merged pull requests:

• Fix PowerSeriesRing call in Misc/Poly.jl (#748) (@thofma)

v0.13.2

AbstractAlgebra v0.13.2

Diff since v0.13.1

Merged pull requests:

• Fix #743 for real (#745) (@thofma)
• increase precedence of // (#746) (@tthsqe12)

v0.13.1

AbstractAlgebra v0.13.1

Diff since v0.13.0

Closed issues:

• factor problems (#743)

Merged pull requests:

• Import factor into Generic (so that we extend it) (#744) (@thofma)

v0.13.0

AbstractAlgebra v0.13.0

Diff since v0.12.0

Closed issues:

• Type stable creation of arrays of zeroes (is the zero and zeros interface not implemented)? (#704)
• Warnings when building the documentation (#707)
• Add expressify method for SparsePoly, replacing its show method (#710)
• Remove show_minus_one, needs_parentheses and displayed_with_minus_in_front (#711)
• Fix minor misses in matrix-documentation (#731)
• Extend zero_matrix for input of type MatElem (#733)

Merged pull requests:

• implement some array interfaces for matrices (#540) (@rfourquet)
• fix warnings when building the documentation (fix #707) (#709) (@rfourquet)
• Fixes for caching (#712) (@thofma)
• Track doctest code coverage (#713) (@fingolfin)
• CI: reduce the number of macOS jobs (#714) (@fingolfin)
• Retire legacy printer (#715) (@tthsqe12)
• Don't cache the SparsePolyRing when evaluating MPoly (#716) (@thofma)
• Fixes for rref -> rref_rational change (#717) (@thofma)
• Avoid \mbox, as MathJax does not like it (#718) (@fingolfin)
• fix part of #535, deduplicate divexact docstrings (#720) (@rfourquet)
• add linear indexing for matrices which have only one row or column (#721) (@rfourquet)
• show_minus_one: fix depwarn (#722) (@rfourquet)
• Add note in docs about needs_parentheses (#723) (@thofma)
• fix doctests (for Julia 1.5) (#724) (@rfourquet)
• add iteration for matrix spaces (#726) (@rfourquet)
• fix docstring for ncols/nrows (#727) (@rfourquet)
• Add cdot for printing * with spaces (#735) (@tthsqe12)
• Move some functions from Hecke to AbstractAlgebra/Misc. (#738) (@wbhart)
• Prepare for new version (#739) (@thofma)
• use one(::SymmetricGroup) instead of (G::SymmetricGroup)() (#740) (@kalmarek)
• Allow more general setindex!(::MatrixElem, ...) (#741) (@thofma)
• make Integers, Rationals and Floats immutable structs (#742) (@rfourquet)

v0.12.0

AbstractAlgebra v0.12.0

Diff since v0.11.2

Closed issues:

• Change rref(R::Ring) to pseudo_rref(R::Ring) (#684)
• Docs not building (#705)

Merged pull requests:

• [RFC] add solve_right: like solve, but accepts non-square matrices over rings (#661) (@rfourquet)
• Change order of return values of rref over a ring. (#683) (@wbhart)
• define Random.Sampler(rng, ::MatSpace) in simple enough cases (#694) (@rfourquet)
• Enable Codecov integration, GH action tests on Windows (#696) (@fingolfin)
• Simplify some markdown links; http -> https (#697) (@fingolfin)
• add iteration for finite fields (#698) (@rfourquet)
• Fix some inference issues for module code (#699) (@thofma)
• Remove Travis integration (#700) (@fingolfin)
• add generic mpoly factor algos (#701) (@tthsqe12)
• Deploy documentation to website using GitHub Actions (#702) (@fingolfin)
• Deprecate rref to rref_rational for matrices over rings (#703) (@thofma)
• Unrestrict Documenter.jl version (#706) (@fingolfin)
• Prepare for 0.12.0 (#708) (@thofma)

v0.11.2

AbstractAlgebra v0.11.2

Diff since v0.11.1

Merged pull requests:

• Make rand for NumberField behave as for Nemo. (#660) (@wbhart)
• solve_fflu -> can_solve_with_solution_fflu + non-square/singular cases. (#679) (@wbhart)
• interpret rand(matspace, 2) as creating a Vector (#680) (@rfourquet)
• Solve_lu -> can_solve_with_solution_lu + non-square and singular cases. (#681) (@wbhart)
• factor out rand testing code (#685) (@rfourquet)
• Solve interpolation (#687) (@wbhart)
• Solve fraction field (#688) (@wbhart)
• Solve interp (#689) (@wbhart)
• Lu fflu references (#690) (@wbhart)
• Remove Base.show piracy (#691) (@MasonProtter)
• Prepare for 0.11.2 (#695) (@thofma)

v0.11.1

AbstractAlgebra v0.11.1

Diff since v0.11.0

Closed issues:

• polcoeff vs pol_length and normalise vs renormalize (#17)
• Document union types such as RingElement, FieldElement (#208)
• fflu! works over a field or residue ring but not polynomials over a residue ring (#247)
• fix divexact_left/right (#316)
• Docstring oddities (#467)
• MatrixAlgebra-test.jl tests zero_matrix/identity_matrix even though no MatrixAlgebra is created (#470)
• What is an AbstractAlgebra.jl matrix (#472)
• Normalize *prec function names (#615)
• Add issnf, ispopov and isweak_popov functions (#639)
• Implement isunit_constant function for generic code (#642)
• lu does not work for matrices with fewer columns than rows (#665)
• fflu doesn't work for rows(A) == 1 (#667)
• fflu doesn't work (as described in docs) for rows(A) > cols(A) (#668)

Merged pull requests:

• can_solve (#645) (@hwjsnc)
• Add documentation of NCRingElement, RingElement and FieldElement types. (#657) (@wbhart)
• Fix stack overflow in divexact_left/right. (#658) (@wbhart)
• Remove tests that have nothing to do with MatrixAlgebras. (#659) (@wbhart)
• fix #467, "docstring oddities (#662) (@rfourquet)
• Move istriu, issnf, isweak_popov, ispopov from test code into Matrix.jl and add docs (#663) (@wbhart)
• Fix overdetermined LU and add tests. (#666) (@wbhart)
• Fix fflu. (#669) (@wbhart)
• enable rand for matrix spaces beyond Generic.MatSpaceElem (#670) (@rfourquet)
• fix reproducibility of rand for MPoly, and add reproducibility tests (#671) (@rfourquet)
• bump version 0.11.0 -> 0.11.1 (#673) (@rfourquet)

v0.11.0

AbstractAlgebra v0.11.0

Diff since v0.10.0

Closed issues:

• Examples of hnf are missing from the matrix docs (#27)
• Generic SNF is not documented (#28)
• Nullspace documentation gives floating point example (#70)
• inv is used in Matrix.jl (#155)
• docstring for inv(::Puiseux) (#213)
• divexact does not throw for indivisible elements (#315)
• ResidueRing(R, 0) should throw an error (#365)
• ERROR: MethodError: no method matching zero( ...) for sparse matrix operations over a finite field (#625)
• Hessenberg relies on inv but is defined for RingElement (#630)
• Popov form is not tested (and not working) (#640)
• GF arithmetic broken for unsigned integers (#653)

Merged pull requests:

• Add .mailmap (#605) (@fingolfin)
• Square root of all the things (#621) (@wbhart)
• Remove an unneeded check. (#624) (@wbhart)
• Improve test code for sqrt (#626) (@wbhart)
• Add missing docstring. (#627) (@wbhart)
• Make Poly divexact throw when division not exact (remainder nonzero). (#628) (@wbhart)
• Define our own inv. (#633) (@wbhart)
• Fix some docstrings. (#637) (@wbhart)
• Add example of hnf and docstrings/examples of snf. (#638) (@wbhart)
• Add documentation examples for weak popov form. (#641) (@wbhart)
• Definititely do not support Z/0. (#644) (@wbhart)
• Fix popov form and add tests (#646) (@joschmitt)
• Fix reduction in Popov form (#647) (@joschmitt)
• follow the Random API for Poly and Integers via RandomExtensions.make (#648) (@rfourquet)
• Add firstindex and lastindex (support A[1:end,2:3]) (#649) (@thofma)
• Travis: test also on Julia 1.4 and 1.5 (#651) (@rfourquet)
• Fix add! and addeq! for GF (#652) (@thofma)
• Fix + and - for GFElem{::Unsigned} (#654) (@thofma)
• Map doc: fix few typos (#656) (@rfourquet)

v0.10.0

Bump version (#623)

v0.9.2

Increase version to 0.9.2