On Tue, Mar 02, 2021 at 11:38:19AM +0800, Qian Yun wrote:
> I guess this is fixed by=20
> https://github.com/fricas/fricas/commit/321784b54aec497d3049c56f14b654bf8b1=
> 99ea0
I think so. In core integrator we should work with differential
field, which in practice means use some fixed set of kernels.
Apparently, before svn r2510 two wrongs cancelled...
> On 11/26/20 6:24 PM, Qian Yun wrote:
> > There 27 integrals from the BWD test set are affected by this.
> > =20
> > Examples are
> > =20
> > int(-3*x^2- 2 - 1/(sqrt(1 - atan(x)^2)*(x^2 + 1)*asin(atan(x))), x)
> > =20
> > int(-1/(sqrt(1-(x - 5 + atan(4))^2)*acos(x - 5 + atan(4))^2), x)
> > =20
> > The regression is svn r2510 or git=20
> > c9474effcc2a0218ab641ab96d081a3538b38674.
> > (between 1.3.4 and 1.3.5)
--
Waldek Hebisch
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