[Axiom-developer] [#198 integrate(sin(x**2),x) is not handled ]

[kratt6]

Changes 
http://page.axiom-developer.org/zope/mathaction/198IntegrateSinX2XIsNotHandled/diff
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There is another issue I don't quite understand. Currently axiom returns the 
whole integral unevaluated if it does not manage to evaluate it completely. If 
it were not for the bug #199, the following were an example:
\begin{axiom}
integrate(exp(x)/x+exp(-x^2)+1/log(x),x)
\end{axiom}

Although axiom  produces the intermediate result 
'integrate(exp(x)/x+exp(-x^2),x)+li(x)', it discards it. The responsible line 
of code is in 'rinteg$FSINT' ::

    rinteg(i, f, x, h, comp) ==
      not elem? i => integral(f, x)$F
      empty? rest(l := [mkPrimh(f, x, h, comp) for f in expand i]) => first l
      l

Does this make sense?

Martin
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