Derivatives: simplify expressions further.
commit84d7e60cedc3dcdf2b6ebc2038db5244b75c0d34
authorMorten Welinder <terra@gnome.org>
Sun, 20 May 2018 17:07:54 +0000 (20 13:07 -0400)
committerMorten Welinder <terra@gnome.org>
Sun, 20 May 2018 17:07:54 +0000 (20 13:07 -0400)
tree8123a7e8566bd178f128cc2f92542ea60304ac3f
parent476351d0e969461afabe28d10e7e41637819ded7
Derivatives: simplify expressions further.

Also add DERIV function, but only during the test suite.
plugins/fn-math/functions.c
src/expr-deriv.c
src/expr-deriv.h
src/func-builtin.c