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)