# intTools: Tools for working with integer values

fontTools.misc.intTools.popCount(self, /)

  Number of ones in the binary representation of the absolute value of self.

  Also known as the population count.

      >>> bin(13)
      '0b1101'
      >>> (13).bit_count()
      3

fontTools.misc.intTools.bit_count(self, /)

  Number of ones in the binary representation of the absolute value of self.

  Also known as the population count.

      >>> bin(13)
      '0b1101'
      >>> (13).bit_count()
      3

fontTools.misc.intTools.bit_indices(v)

  Return list of indices where bits are set, 0 being the index of the least significant bit.

      >>> bit_indices(0b101)
      [0, 2]