``` In [1]: p = Piecewise( (0, x<0), (x, x<=1), (1, True)); p Out[1]: /0 for x < 0 | <x for x <= 1 | \1 otherwise
In [2]: integrate(p, (x, -5, 1)) Out[2]: 1/2 In [3]: integrate(p, (x, -5, z)) Out[3]: / 0 for z < 0 | | 2 | z < -- for z <= 1 | 2 | |z - 1/2 otherwise \ In [4]: _.subs(z, 1) Out[4]: 1/2 ``` Solves issue http://code.google.com/p/sympy/issues/detail?id=2937 You can merge this Pull Request by running: git pull https://github.com/jrioux/sympy piecewise Or you can view, comment on it, or merge it online at: https://github.com/sympy/sympy/pull/1376 -- Commit Summary -- * Piecewise._eval_interval(): Use an helper routine _sort_expr_cond(). * Handle And() in condition to Piecewise. Replaces the use of Interval(). * Handle interval evaluation with symbolic bounds in Piecewise. * Add Piecewise tests. -- File Changes -- M sympy/functions/elementary/piecewise.py (110) M sympy/functions/elementary/tests/test_piecewise.py (10) -- Patch Links -- https://github.com/sympy/sympy/pull/1376.patch https://github.com/sympy/sympy/pull/1376.diff --- Reply to this email directly or view it on GitHub: https://github.com/sympy/sympy/pull/1376 -- You received this message because you are subscribed to the Google Groups "sympy-patches" group. To post to this group, send email to sympy-patches@googlegroups.com. To unsubscribe from this group, send email to sympy-patches+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy-patches?hl=en.
