[GiNaC-list] Possible bug in factor()

Alexei Sheplyakov alexei.sheplyakov at gmail.com
Sun May 18 16:27:54 CEST 2014


On Wed, May 14, 2014 at 02:20:12PM +0200, tluthe at physik.uni-bielefeld.de wrote:

> there appears to be a bug in the multivariate  factor() routine. For some
> expressions it seems to get stuck in an infinite loop, without any result
> or error messages appearing. The simplest expression I could find to
> reproduce this behaviour consistently is the expanded form of
> (3*x+2*y)*(x+y+x*y).

Fixed by commit edfa67d26b (`Fix an infinite loop in factor_multivariate.').
Thanks for a good test case.

Best regards,

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