EdUDddlmZddlmZmZmZddlmZdZdZ dZ dS))rl)do_oneexhaustswitch)top_downc |rBttttjgt |Rfi|SdS)az Full simultaneous exact substitution. Examples ======== >>> from sympy.strategies.tools import subs >>> from sympy import Basic, S >>> mapping = {S(1): S(4), S(4): S(1), Basic(S(5)): Basic(S(6), S(7))} >>> expr = Basic(S(1), Basic(S(2), S(3)), Basic(S(4), Basic(S(5)))) >>> subs(mapping)(expr) Basic(4, Basic(2, 3), Basic(1, Basic(6, 7))) c|S)N)xs 6lib/python3.11/site-packages/sympy/strategies/tools.pyzsubs..s)rrmaprsubszipitems)dkwargss r rrsM BG >c17799o > > >?JJ6JJJ{rc ^tttt|fi|S)z Strategy for canonicalization. Explanation =========== Apply each rule in a bottom_up fashion through the tree. Do each one in turn. Keep doing this until there is no change. )rrr)rulesrs r canonrs. 8GFEN33>>v>> ? ??rc,tt|S)al Apply rules based on the expression type inputs: ruletypes -- a dict mapping {Type: rule} Examples ======== >>> from sympy.strategies import rm_id, typed >>> from sympy import Add, Mul >>> rm_zeros = rm_id(lambda x: x==0) >>> rm_ones = rm_id(lambda x: x==1) >>> remove_idents = typed({Add: rm_zeros, Mul: rm_ones}) )rtype) ruletypess r typedr#s $ " ""rN) rcorerrrtraverserrrrr rr rs))))))))))$ @ @ @#####r