Issue 1468 in sympy: problems with quartic root solver

Updates: Labels: -Priority-Medium Priority-High NeedsReview Comment #6 on issue 1468 by smichr: problems with quartic root solver http://code.google.com/p/sympy/issues/detail?id=1468 I've attached a patch which replaces the old quartic solver with a new one that does not seem to

Issue 1495 in sympy: minus problem

Updates: Cc: asmeurer Comment #4 on issue 1495 by smichr: minus problem http://code.google.com/p/sympy/issues/detail?id=1495 This is a new fix to the issue that doesn't break anything and that fixes the infinite recursion encountered with var('a x') (x*(-2*a*x -

Issue 1533 in sympy: printmethod must have printer object as first argument

Comment #3 on issue 1533 by ondrej.certik: printmethod must have printer object as first argument http://code.google.com/p/sympy/issues/detail?id=1533 This patch changes tests, e.g.: -def _sympystr_(self): -return foo -assert spr(R(x)) == foo +def

Issue 1534 in sympy: Type in sympy/printing/str.py

Comment #2 on issue 1534 by ondrej.certik: Type in sympy/printing/str.py http://code.google.com/p/sympy/issues/detail?id=1534 Could you please write a test for this too? Otherwise +1. -- You received this message because you are listed in the owner or CC fields of this issue, or because you

Issue 1495 in sympy: minus problem

Comment #5 on issue 1495 by asmeurer: minus problem http://code.google.com/p/sympy/issues/detail?id=1495 This looks good, except I am not sure how I feel about right justifying the docstrings. Also, your first commit adds whitespace errors, which it looks like your second commit fixes. You