def _getslice(self, index):
if index.step is not None:
new_delta_f = self._delta_f * index.step
else:
new_delta_f = self._delta_f
return FrequencySeries(Array._getslice(self, index),
delta_f=new_delta_f,
epoch=self._epoch,
copy=False)
def _getslice(self, index):
if index.step is not None:
new_delta_f = self._delta_f * index.step
else:
new_delta_f = self._delta_f
return FrequencySeries(Array._getslice(self, index),
delta_f=new_delta_f,
epoch=self._epoch,
copy=False)
def _getslice(self, index):
# Set the new epoch---note that index.start may also be None
if index.start is None:
new_epoch = self._epoch
else:
if index.start < 0:
raise ValueError(('Negative start index ({})'
' not supported').format(index.start))
new_epoch = self._epoch + index.start * self._delta_t
if index.step is not None:
new_delta_t = self._delta_t * index.step
else:
new_delta_t = self._delta_t
return TimeSeries(Array._getslice(self, index), new_delta_t,
new_epoch, copy=False)
def _getslice(self, index):
# Set the new epoch---note that index.start may also be None
if self._epoch is None:
new_epoch = None
elif index.start is None:
new_epoch = self._epoch
else:
if index.start < 0:
raise ValueError('Negative start index not supported')
new_epoch = self._epoch + index.start * self._delta_t
if index.step is not None:
new_delta_t = self._delta_t * index.step
else:
new_delta_t = self._delta_t
return TimeSeries(Array._getslice(self, index), new_delta_t,
new_epoch, copy=False)
