[bugfix] fix sqrfree(poly) for zero polynomials in disguise.
authorRichard Kreckel <kreckel@ginac.de>
Wed, 3 Feb 2016 07:13:58 +0000 (08:13 +0100)
committerRichard Kreckel <kreckel@ginac.de>
Wed, 3 Feb 2016 07:30:49 +0000 (08:30 +0100)
commit63f9b0510fecd2b50f75df37c9525bc215dc2578
tree0ac2de8bf9b293ad5bd4c59fff6113bda0230a31
parent0052e44b34c982b13b08454fd6c9429fe7a90f71
[bugfix] fix sqrfree(poly) for zero polynomials in disguise.

Yun's algorithm now handles polynomials which would become zero after
expanding.
check/exam_paranoia.cpp
ginac/normal.cpp