Hi
I am new here. Can I post issues in http://code.google.com/p/sympy/issues/list
if I found something not absolutely right like

In[0]: integrate(abs(x),x)
Out[0]: 0

In[1]: integrate(1/x**2,(x,-1,1))
Out[1]: -2

for abs(x) it should return piecewise output. When i was going through
the code it shows that default is piecewise integration, so there must
be some error in the way abs(f) defined for integration.
we can check discontinuities like solutions of denominator.
I am sorry if I violate any etiquette.

regards
Abhishek Aggarwal
2nd year Undergraduate Computer Science and Engineering
IIT Delhi



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