+ iRNRt^RIHtHtHt^RIHt^RIHt^RI H t Rt Rt R#)zROptimizations of the expression tree representation for better CSE opportunities. )AddBasicMul)S)default_sort_key)preorder_traversalcVP\4Uu.uFqP4'gKVNK pp/p\4pVFSpV)pVP'dVP V4K+\ P!\PV.4W1&KU VPV4p\V\4'd/p\VP\4\R7FmpW9dK W9d W1,Wa&KVP4'gK5\ P!\P\PV).4Wa&Ko VPV4pV#uupi)zCReplace y - x with -(x - y) if -1 can be extracted from y - x. )key)atomsrcould_extract_minus_signsetis_Muladdr _from_argsr NegativeOnexreplace isinstancersortedrOne)eaaddsrepsignorenanegss& w/Users/tonyclaw/.openclaw/workspace/skills/math-calculator/venv/lib/python3.14/site-packages/sympy/simplify/cse_opts.pysub_prer swws| D|!'A'A'CAA|D D D UF R 999 JJqM ..!--!45  4A!U *:;A{y'++--..!%%)CD < JJt  H1 Es E2E2c.p\V4Fp\V\4'gKVP^,\P JgKBVP^,\P JgKiVPV\P!VPR,4)34K VFwr#VPW#/4pK V#)zReplace 1*-1*x with -x. :NN) rrrargsrrrappendrr)r replacementsnode replacements& rsub_postr%)sL"1% dC IIaLAEE !diilamm&C   tyy}(E'E F G&* JJ* +* HN) __doc__ sympy.corerrrsympy.core.singletonrsympy.core.sortingrsympy.core.traversalrrr%r&rr-s%'&"/3 >  r&