GitLab

(math-check-known-square-matrixp): Do a more extensive check for
square matrices.

matrix, don't turn multiplication by an inverse matrix into division.
(math-div-symbol-fancy):  Replace division by matrices with
multiplication by inverse.

arguments that are variables.
(math-check-known-square-matrixp): New function.
(math-known-square-matrixp): Use math-check-known-square-matrixp.
(math-super-types): Add sqmatrix type.

(math-pow-fancy): Check for matrices before distributing exponent
across products.

(math-combine-prod-trig, math-div-new-trig, math-div-new-non-trig)
(math-div-isolate-trig, math-div-isolate-trig-term): New functions.
(math-combine-prod, math-div-symb-fancy): Add simplifications for trig
expressions.

(math-pow-of-zero): Strengthen checks for positive and negative exponents.

(calc-Need-calc-arith): Remove it.

(math-scalar-if-args-functions, math-real-functions)
(math-positive-functions, math-nonnegative-functions)
(math-real-scalar-functions, math-real-if-arg-functions)
(math-integer-functions, math-num-integer-functions)
(math-rounding-functions, math-float-rounding-functions)
(math-integer-if-args-functions, math-super-types):
Move declarations to earlier in file.

(math-unit-prefixes): Declared it.

(math-floor-prec, math-trunc-prec): New variables.
(math-trunc-fancy): Replace variable prec by declared variable.
(math-floor-fancy): Replace variable prec by declared variable.

(math-com-bterms): New variable.
(math-commutative-equal, math-commutative-collect): Replace variable
bterms by declared variable.

before their first use.  Use `when', `unless'.  Remove trailing
periods from error forms.  Add description and headers suggested by
Emacs Lisp coding conventions.

`defalias' instead of `fset' and `symbol-function'.

Style cleanup; don't put closing parens on their
own line, add "foo.el ends here" to each file, and update
copyright date.