sign of expression in integration



Semyon Glazyrin wrote:
>
>
> I think it's a problem of integrate function - it should do checks using boundary
> conditions.
>   
I agree that the information from the upper and lower limits apparently 
is not being used when it could be used.  Sometimes
the path of integration in the complex plane may be an issue, but I do 
not know if that influence is being considered
in the (buggy?) programs.