def _sparse_series_op(left, right, op, name):
left, right = left.align(right, join='outer', copy=False)
new_index = left.index
new_name = _maybe_match_name(left, right)
result = _sparse_array_op(left.values, right.values, op, name, series=True)
return left._constructor(result, index=new_index, name=new_name)
def _sparse_series_op(left, right, op, name):
left, right = left.align(right, join='outer', copy=False)
new_index = left.index
new_name = _maybe_match_name(left, right)
result = _sparse_array_op(left.values, right.values, op, name,
series=True)
return left._constructor(result, index=new_index, name=new_name)
def wrapper(self, other):
from pandas.core.sparse.array import (
SparseArray, _sparse_array_op, _wrap_result, _get_fill)
if isinstance(other, np.ndarray):
if len(self) != len(other):
raise AssertionError("length mismatch: {self} vs. {other}"
.format(self=len(self), other=len(other)))
if not isinstance(other, SparseArray):
dtype = getattr(other, 'dtype', None)
other = SparseArray(other, fill_value=self.fill_value,
dtype=dtype)
return _sparse_array_op(self, other, op, name)
elif is_scalar(other):
with np.errstate(all='ignore'):
fill = op(_get_fill(self), np.asarray(other))
result = op(self.sp_values, other)
return _wrap_result(name, result, self.sp_index, fill)
else: # pragma: no cover
raise TypeError('operation with {other} not supported'
.format(other=type(other)))
def wrapper(self, other):
from pandas.core.sparse.array import (
SparseArray, _sparse_array_op, _wrap_result, _get_fill)
if isinstance(other, np.ndarray):
if len(self) != len(other):
raise AssertionError("length mismatch: {self} vs. {other}"
.format(self=len(self), other=len(other)))
if not isinstance(other, SparseArray):
dtype = getattr(other, 'dtype', None)
other = SparseArray(other, fill_value=self.fill_value,
dtype=dtype)
return _sparse_array_op(self, other, op, name)
elif is_scalar(other):
with np.errstate(all='ignore'):
fill = op(_get_fill(self), np.asarray(other))
result = op(self.sp_values, other)
return _wrap_result(name, result, self.sp_index, fill)
else: # pragma: no cover
raise TypeError('operation with {other} not supported'
.format(other=type(other)))
