FriCAS Code

prime?(): do the right thing: really ignore sign when deciding if
number is prime.

add test to see whether checking is done for guessing over prime fields, and
whether guessing polynomials with algebraic coefficients works.

Add VectorSpaceBasis domain.

Fix for 'has' test.

Ignore sign when deciding if number is prime.

Use linear solver for linear systems of expressions.

Remove wrong duplicate definitions of '^'.

Update comments.

add default implementation for convert()@INFORM to Finite.

add package call to make guessing over AN succeed. Add test demonstrating bad
gcd in GUESSP with four variables.