On Wednesday, May 20, 2020 at 3:42:57 PM UTC-7, mathzeta2 wrote: > > This seems to be the case: > > https://git.sagemath.org/sage.git/tree/src/sage/rings/complex_number.pyx#n1176 > > > https://git.sagemath.org/sage.git/tree/src/sage/rings/complex_double.pyx#n807 > > The latter even says: "We order the complex numbers in dictionary order > by real parts then imaginary parts. > > This is a painful legacy from python's early approach of "everything should be ordered", that sage at that time sort-of adopted. With complex numbers, python (even py2) quickly came to its senses and in Python3, objects are usually not ordered unless it intrinsically makes sense. Sage is now still stuck with the flawed design of the past. It would be nice to deprecate that behaviour now that we're released from python2.
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