Issue 1573 in sympy: fpowi does not exist

2009-08-03 Thread codesite-noreply
Status: Accepted Owner: smichr Labels: Type-Defect Priority-Critical NeedsReview New issue 1573 by smichr: fpowi does not exist http://code.google.com/p/sympy/issues/detail?id=1573 fpowi should be mpf_pow_int; a test that caught the untested code is also added. /c Attachments:

Issue 1574 in sympy: missing trig identity

2009-08-03 Thread codesite-noreply
Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1574 by pfeld...@verizon.net: missing trig identity http://code.google.com/p/sympy/issues/detail?id=1574 SymPy doesn't seem to know about the following fundamental trigonometric identity: In [3]: x=Symbol('x') In [4]:

Issue 1574 in sympy: missing trig identity

2009-08-03 Thread codesite-noreply
Updates: Status: Invalid Comment #1 on issue 1574 by asmeurer: missing trig identity http://code.google.com/p/sympy/issues/detail?id=1574 You need to use trigsimp(): trigsimp(sin(x)**2 + cos(x)**2) 1 Perhaps simplify() should be calling trigsimp, along with all of the other

Issue 1575 in sympy: help(module) contains a bunch of irrelevant stuff

2009-08-03 Thread codesite-noreply
Status: New Owner: asmeurer Labels: Type-Defect Priority-Medium EasyToFix Documentation New issue 1575 by asmeurer: help(module) contains a bunch of irrelevant stuff http://code.google.com/p/sympy/issues/detail?id=1575 Doing help(module) often returns stuff that is not relevant to the

Issue 1497 in sympy: (x+y)/-z does not automatically expand to (-x - y)/z

2009-08-03 Thread codesite-noreply
Comment #8 on issue 1497 by asmeurer: (x+y)/-z does not automatically expand to (-x - y)/z http://code.google.com/p/sympy/issues/detail?id=1497 If anyone does decide to tackle this, I think it would be better to remove all automatic distribution and fix the tests that break from that. See

Issue 1575 in sympy: help(module) contains a bunch of irrelevant stuff

2009-08-03 Thread codesite-noreply
Comment #1 on issue 1575 by asmeurer: help(module) contains a bunch of irrelevant stuff http://code.google.com/p/sympy/issues/detail?id=1575 It looks like sometimes doing things like del S can break stuff. It broke a function within a function that runs recursively for me. But adding from