def calc_missingremoterelease_v1(self):
    """Calculate the portion of the required remote demand that could not
    be met by the actual discharge release.

    Required flux sequences:
      |RequiredRemoteRelease|
      |ActualRelease|

    Calculated flux sequence:
      |MissingRemoteRelease|

    Basic equation:
      :math:`MissingRemoteRelease = max(
      RequiredRemoteRelease-ActualRelease, 0)`

    Example:

        >>> from hydpy.models.dam import *
        >>> parameterstep()
        >>> fluxes.requiredremoterelease = 2.0
        >>> fluxes.actualrelease = 1.0
        >>> model.calc_missingremoterelease_v1()
        >>> fluxes.missingremoterelease
        missingremoterelease(1.0)
        >>> fluxes.actualrelease = 3.0
        >>> model.calc_missingremoterelease_v1()
        >>> fluxes.missingremoterelease
        missingremoterelease(0.0)
    """
    flu = self.sequences.fluxes.fastaccess
    flu.missingremoterelease = max(
        flu.requiredremoterelease-flu.actualrelease, 0.)
Calculate the portion of the required remote demand that could not
    be met by the actual discharge release.

    Required flux sequences:
      |RequiredRemoteRelease|
      |ActualRelease|

    Calculated flux sequence:
      |MissingRemoteRelease|

    Basic equation:
      :math:`MissingRemoteRelease = max(
      RequiredRemoteRelease-ActualRelease, 0)`

    Example:

        >>> from hydpy.models.dam import *
        >>> parameterstep()
        >>> fluxes.requiredremoterelease = 2.0
        >>> fluxes.actualrelease = 1.0
        >>> model.calc_missingremoterelease_v1()
        >>> fluxes.missingremoterelease
        missingremoterelease(1.0)
        >>> fluxes.actualrelease = 3.0
        >>> model.calc_missingremoterelease_v1()
        >>> fluxes.missingremoterelease
        missingremoterelease(0.0)