Gael Guennebaud 450dc97c6b Various fixes in polynomial solver and its unit tests:
- cleanup noise in imaginary part of real roots
 - take into account the magnitude of the derivative to check roots.
 - use <= instead of < at appropriate places
2018-12-09 22:54:39 +01:00
..
2016-08-30 10:01:53 +02:00
2018-09-20 18:30:10 +02:00