Lines Matching refs:bit_length
880 k = x.bit_length()
888 # Alternative definition: x.bit_length() == 1 + floor(log_2(x))
897 self.assertEqual((0L).bit_length(), 0)
898 self.assertEqual((1L).bit_length(), 1)
899 self.assertEqual((-1L).bit_length(), 1)
900 self.assertEqual((2L).bit_length(), 2)
901 self.assertEqual((-2L).bit_length(), 2)
904 self.assertEqual((a-1).bit_length(), i)
905 self.assertEqual((1-a).bit_length(), i)
906 self.assertEqual((a).bit_length(), i+1)
907 self.assertEqual((-a).bit_length(), i+1)
908 self.assertEqual((a+1).bit_length(), i+1)
909 self.assertEqual((-a-1).bit_length(), i+1)
