original_docstring: Reverse the bits of a 64-bit integer.
  
    Args:
      v: Input integer of type 'int' or 'long'.
  
    Returns:
      Bit-reversed input as 'int' on 64-bit machines or as 'long' otherwise.
    
docstring: Reverse the bits of a 64-bit integer.
docstring_tokens: Reverse the bits of a 64 - bit integer .
code: def ReverseBitsInt64(v):
    """Reverse the bits of a 64-bit integer.
  
    Args:
      v: Input integer of type 'int' or 'long'.
  
    Returns:
      Bit-reversed input as 'int' on 64-bit machines or as 'long' otherwise.
    """
  
    v = ((v >> 1) & 0x5555555555555555) | ((v & 0x5555555555555555) << 1)
    v = ((v >> 2) & 0x3333333333333333) | ((v & 0x3333333333333333) << 2)
    v = ((v >> 4) & 0x0F0F0F0F0F0F0F0F) | ((v & 0x0F0F0F0F0F0F0F0F) << 4)
    v = ((v >> 8) & 0x00FF00FF00FF00FF) | ((v & 0x00FF00FF00FF00FF) << 8)
    v = ((v >> 16) & 0x0000FFFF0000FFFF) | ((v & 0x0000FFFF0000FFFF) << 16)
    v = int((v >> 32) | (v << 32) & 0xFFFFFFFFFFFFFFFF)
    return v
code_tokens: def ReverseBitsInt64 ( v ) : v = ( ( v >> 1 ) & 0x5555555555555555 ) | ( ( v & 0x5555555555555555 ) << 1 ) v = ( ( v >> 2 ) & 0x3333333333333333 ) | ( ( v & 0x3333333333333333 ) << 2 ) v = ( ( v >> 4 ) & 0x0F0F0F0F0F0F0F0F ) | ( ( v & 0x0F0F0F0F0F0F0F0F ) << 4 ) v = ( ( v >> 8 ) & 0x00FF00FF00FF00FF ) | ( ( v & 0x00FF00FF00FF00FF ) << 8 ) v = ( ( v >> 16 ) & 0x0000FFFF0000FFFF ) | ( ( v & 0x0000FFFF0000FFFF ) << 16 ) v = int ( ( v >> 32 ) | ( v << 32 ) & 0xFFFFFFFFFFFFFFFF ) return v
short_docstring: Reverse the bits of a 64-bit integer.
short_docstring_tokens: Reverse the bits of a 64 - bit integer .
comment: """Reverse the bits of a 64-bit integer.
  
    Args:
      v: Input integer of type 'int' or 'long'.
  
    Returns:
      Bit-reversed input as 'int' on 64-bit machines or as 'long' otherwise.
    """