Comment #6 on issue 1320 by Vinzent.Steinberg: simplify does not simplify commutted diffs http://code.google.com/p/sympy/issues/detail?id=1320
See for instance http://git.sympy.org/?p=sympy.git;f=sympy/simplify/tests/test_simplify.py;hb=HEAD A test is just a function beginning with test_* inside a file in a tests directory. Usually you just use asserts. If an exception occurs, it gets caught by the test runner (sympy/bin/test). In this case it would just be something like assert simplify(g(x).diff(x)*f(x).diff(x)-f(x).diff(x)*g(x).diff(x)) == 0 -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this issue. You may adjust your issue notification preferences at: http://code.google.com/hosting/settings --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send email to sympy-issues@googlegroups.com To unsubscribe from this group, send email to sympy-issues+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sympy-issues?hl=en -~----------~----~----~----~------~----~------~--~---
