ó ”¼™\c@svddlmZddlmZdefd„ƒYZeegƒZeegƒZed„ƒZ ed„ƒZ dS( i(t clear_cachei’’’’(tcontextmanagert_global_functioncBseZdZd„ZRS(sA The cache must be cleared whenever _global_function is changed. cCs7|||krtƒntt|ƒj||ƒdS(N(RtsuperRt __setitem__(tselftkeytvalue((s2lib/python2.7/site-packages/sympy/core/evaluate.pyRs (t__name__t __module__t__doc__R(((s2lib/python2.7/site-packages/sympy/core/evaluate.pyRsccs'td}|td>> from sympy.abc import x >>> from sympy.core.evaluate import evaluate >>> print(x + x) 2*x >>> with evaluate(False): ... print(x + x) x + x iN(tglobal_evaluate(txtold((s2lib/python2.7/site-packages/sympy/core/evaluate.pytevaluates  ccs'td}|td>> from sympy.abc import x >>> from sympy.core.evaluate import distribute >>> print(2*(x + 1)) 2*x + 2 >>> with distribute(False): ... print(2*(x + 1)) 2*(x + 1) iN(tglobal_distribute(R R ((s2lib/python2.7/site-packages/sympy/core/evaluate.pyt distribute0s  N( tcacheRt contextlibRtlistRtTrueR RRR(((s2lib/python2.7/site-packages/sympy/core/evaluate.pyts