[Maxima] new defint.lisp bug - was: new defint.lisp and radexpand:false?

[Richard Fateman]

I've been ignoring this, so far.  But...

On 1/11/2012 10:21 AM, Edwin Woollett wrote:...

...

> (%i3) integrate(exp(x^5),x,1,2);
> (%o3) (gamma_incomplete(1/5,-32)-gamma_incomplete(1/5,-1))/5

for what it is worth, Mathematica 7 returns

1/5 (-1)^(4/5) (Gamma[1/5, -32] - Gamma[1/5, -1])}


Notice the factor of (-1)^(4/5).