docstr: I4_BIT_LO0 returns the position of the low 0 bit base 2 in an integer.
  
  Example:
    +------+------------+----
    |    N |     Binary | BIT
    +------+------------+----
    |    0 |          0 |   1
    |    1 |          1 |   2
    |    2 |         10 |   1
    |    3 |         11 |   3
    |    4 |        100 |   1
    |    5 |        101 |   2
    |    6 |        110 |   1
    |    7 |        111 |   4
    |    8 |       1000 |   1
    |    9 |       1001 |   2
    |   10 |       1010 |   1
    |   11 |       1011 |   3
    |   12 |       1100 |   1
    |   13 |       1101 |   2
    |   14 |       1110 |   1
    |   15 |       1111 |   5
    |   16 |      10000 |   1
    |   17 |      10001 |   2
    | 1023 | 1111111111 |   1
    | 1024 | 0000000000 |   1
    | 1025 | 0000000001 |   1
  
  Parameters:
    Input, integer N, the integer to be measured.
    N should be nonnegative.
  
    Output, integer BIT, the position of the low 1 bit.
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code: def i4_bit_lo0(self, n):
      """
      I4_BIT_LO0 returns the position of the low 0 bit base 2 in an integer.
  
      Example:
        +------+------------+----
        |    N |     Binary | BIT
        +------+------------+----
        |    0 |          0 |   1
        |    1 |          1 |   2
        |    2 |         10 |   1
        |    3 |         11 |   3
        |    4 |        100 |   1
        |    5 |        101 |   2
        |    6 |        110 |   1
        |    7 |        111 |   4
        |    8 |       1000 |   1
        |    9 |       1001 |   2
        |   10 |       1010 |   1
        |   11 |       1011 |   3
        |   12 |       1100 |   1
        |   13 |       1101 |   2
        |   14 |       1110 |   1
        |   15 |       1111 |   5
        |   16 |      10000 |   1
        |   17 |      10001 |   2
        | 1023 | 1111111111 |   1
        | 1024 | 0000000000 |   1
        | 1025 | 0000000001 |   1
  
      Parameters:
        Input, integer N, the integer to be measured.
        N should be nonnegative.
  
        Output, integer BIT, the position of the low 1 bit.
      """
      bit = 1
      i = np.floor(n)
      while i != 2 * (i // 2):
          bit += 1
          i //= 2
      return bit
  
imports: import numpy
label_desc: Use image node_id 4 for calling the Sobol obj's underlying member method code with example usage: obj.i4_bit_lo0(n) and returns: bit