Issue 1984 in sympy: canonicalize bases of powers with respect to sign

2010-07-16 Thread sympy
Status: Accepted Owner: smichr Labels: Type-Defect Priority-Medium New issue 1984 by smichr: canonicalize bases of powers with respect to sign http://code.google.com/p/sympy/issues/detail?id=1984 tba -- You received this message because you are subscribed to the Google Groups sympy-issues

Re: Issue 1984 in sympy: canonicalize bases of powers with respect to sign

2010-07-16 Thread sympy
Comment #1 on issue 1984 by smichr: canonicalize bases of powers with respect to sign http://code.google.com/p/sympy/issues/detail?id=1984 In order for expressions like (3-x)**2 - (x-3)**2 to automatically be recognized as 0, the bases of powers must be canonicalized. This patch