Commits on Aug 11, 2018

1. Improve FFE code a bit and add tests …

   * add more FFE test cases, now finfield.c has almost full coverage
   * simplify `FuncLOG_FFE_DEFAULT` input validation
   * remove some comments pointing out problem when extending FFV to UInt4: we
     don't plan to do that (and it'd be impractical in the current setup anyway),
     and even if: those comments are not really helpful
   * make Z(p,d) stricter about verifying that `p` is a prime; and fixing an edge
     case on 32 bit systems, where Z(65536,2) lead to an overflow (which luckily
     had no consequences whatsoever)
   * adjust the error message of the kernel function `PowFFEFFE` (for
     "conjugating" FFE elements) to match those for +, -, *, / in case of
     arguments which have different characteristic.
   * fix bug in RootOfDefiningPolynomial

   

   fingolfin committed Aug 11, 2018
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