U ˜9%eXã@sHddlmZddlmZmZmZddlmZdd„Zdd„Z dd „Z d S) é)Úrl)Údo_oneÚexhaustÚswitch)Útop_downcKs4|r(ttttjft| ¡ŽžŽŽf|ŽSdd„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))) cSs|S)N©)ÚxrrúU/var/www/html/Darija-Ai-API/env/lib/python3.8/site-packages/sympy/strategies/tools.pyÚózsubs..N)rrÚmaprÚsubsÚzipÚitems)ÚdÚkwargsrrr r s $r cOstttt|Žƒf|ŽƒS)zÊ 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)Úrulesrrrr Úcanons rcCs tt|ƒS)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}) )rÚtype)Z ruletypesrrr Útyped&srN) ÚrÚcorerrrÚtraverserr rrrrrr Ús