Issue 1938 in sympy: Recursive trigsimp destroys sums of derivative terms because cse fails on these sums

2010-05-12 Thread sympy
Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1938 by antonio.e.russo: Recursive trigsimp destroys sums of derivative terms because cse fails on these sums http://code.google.com/p/sympy/issues/detail?id=1938 Using up-to-date sympy, trigsimp with recursive=True annihil

Re: Issue 1938 in sympy: Recursive trigsimp destroys sums of derivative terms because cse fails on these sums

2010-05-12 Thread sympy
Updates: Status: Accepted Labels: Milestone-Release0.7.0 WrongResult Comment #1 on issue 1938 by ronan.l...@gmail.com: Recursive trigsimp destroys sums of derivative terms because cse fails on these sums http://code.google.com/p/sympy/issues/detail?id=1938 I see what's happeni

Re: Issue 1938 in sympy: Recursive trigsimp destroys sums of derivative terms because cse fails on these sums

2010-05-12 Thread sympy
Comment #2 on issue 1938 by asmeurer: Recursive trigsimp destroys sums of derivative terms because cse fails on these sums http://code.google.com/p/sympy/issues/detail?id=1938 It actually probably wouldn't be too difficult to make it just return x0(x, y) for f(x, y). Another work around w

Re: Issue 1903 in sympy: Unify Assume keys, ask keys and ask handlers

2010-05-12 Thread sympy
Updates: Labels: NeedsReview Blockedon: -1928 Comment #8 on issue 1903 by ronan.l...@gmail.com: Unify Assume keys, ask keys and ask handlers http://code.google.com/p/sympy/issues/detail?id=1903 I've cleaned up the code, which is now ready for review in the branch "implement-Pr

Re: Issue 1928 in sympy: Add __xor__ magic method to Boolean

2010-05-12 Thread sympy
Issue 1928: Add __xor__ magic method to Boolean http://code.google.com/p/sympy/issues/detail?id=1928 This issue is no longer blocking issue 1903. See http://code.google.com/p/sympy/issues/detail?id=1903 -- You received this message because you are listed in the owner or CC fields of this issue, o

Re: Issue 1046 in sympy: investigate if sympify(0) can be made as fast as S.Zero

2010-05-12 Thread sympy
Updates: Status: WontFix Comment #4 on issue 1046 by ronan.l...@gmail.com: investigate if sympify(0) can be made as fast as S.Zero http://code.google.com/p/sympy/issues/detail?id=1046 In [1]: %timeit S.Zero 100 loops, best of 3: 209 ns per loop In [2]: def func(x): ...: re

Re: Issue 1069 in sympy: 'together' should not expand denominators

2010-05-12 Thread sympy
Updates: Summary: 'together' should not expand denominators Status: Accepted Labels: Polynomial Simplify Comment #1 on issue 1069 by ronan.l...@gmail.com: 'together' should not expand denominators http://code.google.com/p/sympy/issues/detail?id=1069 Agreed. -- You rec