litex/gen/migen/util/misc.py

   1 from fractions import gcd
   2 import collections
   3
   4
   5 def flat_iteration(l):
   6     for element in l:
   7         if isinstance(element, collections.Iterable):
   8             for element2 in flat_iteration(element):
   9                 yield element2
  10         else:
  11             yield element
  12
  13
  14 def xdir(obj, return_values=False):
  15     for attr in dir(obj):
  16         if attr[:2] != "__" and attr[-2:] != "__":
  17             if return_values:
  18                 yield attr, getattr(obj, attr)
  19             else:
  20                 yield attr
  21
  22
  23 def gcd_multiple(numbers):
  24     l = len(numbers)
  25     if l == 1:
  26         return numbers[0]
  27     else:
  28         s = l//2
  29         return gcd(gcd_multiple(numbers[:s]), gcd_multiple(numbers[s:]))