integration error



Hi,all.I use Maxima 5.14.0 ,and find an error that I think is a bug of
Maxima.Hope to FIX IT.


Here it is:

(%i1) integrate(cos(a*x)/(1+x^2),x,0,inf);
Is  a   positive, negative, or zero? zero;
Maxima encountered a Lisp error:
   Error in PROGN [or a callee]: Caught fatal error [memory may be damaged]
Automatically continuing.
To reenable the Lisp debugger set *debugger-hook* to nil.


Thank You!

Zhang Cun

zhangcun at hrbeu.edu.cn
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