def check_valid(self, values, flag=None):
        """Check if the data contains any non-valid status information

        Parameters
        ----------
        values: pycbc.types.Array
            Array of status information
        flag: str, optional
            Override the default valid mask with a user defined mask.

        Returns
        -------
        status: boolean
            Returns True if all of the status information if valid,
             False if any is not.
        """
        if self.valid_on_zero:
            valid = values.numpy() == 0
        else:
            if flag is None:
                flag = self.valid_mask
            valid = numpy.bitwise_and(values.numpy(), flag) == flag
        return bool(numpy.all(valid))
Check if the data contains any non-valid status information

        Parameters
        ----------
        values: pycbc.types.Array
            Array of status information
        flag: str, optional
            Override the default valid mask with a user defined mask.

        Returns
        -------
        status: boolean
            Returns True if all of the status information if valid,
             False if any is not.