Method _isinfinity

Lib/_pydecimal.py:683–694

Returns whether the number is infinite 0 if finite or not a number 1 if +INF -1 if -INF

(self)

        return 0

    def _isinfinity(self):
        """Returns whether the number is infinite

        0 if finite or not a number
        1 if +INF
        -1 if -INF
        """
        if self._exp == 'F':
            if self._sign:
                return -1
            return 1
        return 0

    def _check_nans(self, other=None, context=None):
        """Returns whether the number is not actually one.