Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-02-12 Thread sympy
Updates: Labels: NeedsReview Comment #10 on issue 1950 by andy.ter...@gmail.com: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 https://github.com/sympy/sympy/pull/109 -- You received this

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-02-12 Thread sympy
Comment #11 on issue 1950 by asmeurer: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 Is there a reason why that pull request was closed? -- You received this message because you are subscribed to the

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-02-12 Thread sympy
Comment #12 on issue 1950 by andy.ter...@gmail.com: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 oh yeah I don't know how to use githubs pull requests. Anywho I updated it to

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-02-12 Thread sympy
Comment #13 on issue 1950 by Vinzent.Steinberg: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 Is there a reason why that pull request was closed? I think it got superseded by the newer one. -- You

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-02-12 Thread sympy
Comment #14 on issue 1950 by asmeurer: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 Yeah, I actually asked that before he created the new one. I guess I am just too quick. -- You received this

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-01-28 Thread sympy
Comment #1 on issue 1950 by andy.ter...@gmail.com: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 Hmm, I'll take a closer look. The code is complicated because function is dependent on which intervals

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-01-28 Thread sympy
Comment #4 on issue 1950 by asmeurer: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 What? I don't understand what you mean. -- You received this message because you are subscribed to the Google Groups

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-01-28 Thread sympy
Comment #5 on issue 1950 by andy.ter...@gmail.com: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 If you ignore the subinterval (oo, Eq(x, 0) then the miss its the contribution to the interval.

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-01-28 Thread sympy
Comment #6 on issue 1950 by asmeurer: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 Measure zero intervals contribute nothing to an Integral. See the first sentence of

Re: Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2011-01-28 Thread sympy
Comment #9 on issue 1950 by andy.ter...@gmail.com: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 Sure Riemann implies Lebegue but we don't have a notion of sets built into piecewise functions. That's

Issue 1950 in sympy: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong

2010-06-01 Thread sympy
Status: Accepted Owner: asmeurer CC: andy.terrel Labels: Type-Defect Priority-Medium WrongResult Integration New issue 1950 by asmeurer: Piecewise((x, 0 x), (0, Eq(x, 0)), (-x, x 0))._eval_interval(x, -1, 1) is wrong http://code.google.com/p/sympy/issues/detail?id=1950 In [30]: