def na_op(x, y):
try:
result = expressions.evaluate(op, str_rep, x, y,
raise_on_error=True, **eval_kwargs)
except TypeError:
xrav = x.ravel()
if isinstance(y, (np.ndarray, ABCSeries)):
dtype = np.find_common_type([x.dtype, y.dtype], [])
result = np.empty(x.size, dtype=dtype)
yrav = y.ravel()
mask = notnull(xrav) & notnull(yrav)
xrav = xrav[mask]
yrav = yrav[mask]
if np.prod(xrav.shape) and np.prod(yrav.shape):
result[mask] = op(xrav, yrav)
elif hasattr(x, 'size'):
result = np.empty(x.size, dtype=x.dtype)
mask = notnull(xrav)
xrav = xrav[mask]
if np.prod(xrav.shape):
result[mask] = op(xrav, y)
else:
raise TypeError("cannot perform operation {op} between "
"objects of type {x} and {y}".format(
op=name, x=type(x), y=type(y)))
result, changed = com._maybe_upcast_putmask(result, ~mask, np.nan)
result = result.reshape(x.shape)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
try:
result = expressions.evaluate(op, str_rep, x, y, raise_on_error=True, **eval_kwargs)
except TypeError:
# TODO: might need to find_common_type here?
result = np.empty(len(x), dtype=x.dtype)
mask = notnull(x)
result[mask] = op(x[mask], y)
result, changed = com._maybe_upcast_putmask(result, ~mask, np.nan)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y,
errors='raise',
**eval_kwargs)
except TypeError:
result = op(x, y)
# handles discrepancy between numpy and numexpr on division/mod
# by 0 though, given that these are generally (always?)
# non-scalars, I'm not sure whether it's worth it at the moment
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y,
errors='raise',
**eval_kwargs)
except TypeError:
result = op(x, y)
# handles discrepancy between numpy and numexpr on division/mod
# by 0 though, given that these are generally (always?)
# non-scalars, I'm not sure whether it's worth it at the moment
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y, **eval_kwargs)
except TypeError:
xrav = x.ravel()
if isinstance(y, (np.ndarray, ABCSeries)):
dtype = np.find_common_type([x.dtype, y.dtype], [])
result = np.empty(x.size, dtype=dtype)
yrav = y.ravel()
mask = notna(xrav) & notna(yrav)
xrav = xrav[mask]
if yrav.shape != mask.shape:
# FIXME: GH#5284, GH#5035, GH#19448
# Without specifically raising here we get mismatched
# errors in Py3 (TypeError) vs Py2 (ValueError)
raise ValueError('Cannot broadcast operands together.')
yrav = yrav[mask]
if xrav.size:
with np.errstate(all='ignore'):
result[mask] = op(xrav, yrav)
elif isinstance(x, np.ndarray):
# mask is only meaningful for x
result = np.empty(x.size, dtype=x.dtype)
mask = notna(xrav)
xrav = xrav[mask]
if xrav.size:
with np.errstate(all='ignore'):
result[mask] = op(xrav, y)
else:
raise TypeError("cannot perform operation {op} between "
"objects of type {x} and {y}".format(
op=name, x=type(x), y=type(y)))
result, changed = maybe_upcast_putmask(result, ~mask, np.nan)
result = result.reshape(x.shape)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y, **eval_kwargs)
except TypeError:
xrav = x.ravel()
if isinstance(y, (np.ndarray, ABCSeries)):
dtype = np.find_common_type([x.dtype, y.dtype], [])
result = np.empty(x.size, dtype=dtype)
yrav = y.ravel()
mask = notna(xrav) & notna(yrav)
xrav = xrav[mask]
if yrav.shape != mask.shape:
# FIXME: GH#5284, GH#5035, GH#19448
# Without specifically raising here we get mismatched
# errors in Py3 (TypeError) vs Py2 (ValueError)
raise ValueError('Cannot broadcast operands together.')
yrav = yrav[mask]
if xrav.size:
with np.errstate(all='ignore'):
result[mask] = op(xrav, yrav)
elif isinstance(x, np.ndarray):
# mask is only meaningful for x
result = np.empty(x.size, dtype=x.dtype)
mask = notna(xrav)
xrav = xrav[mask]
if xrav.size:
with np.errstate(all='ignore'):
result[mask] = op(xrav, y)
else:
raise TypeError("cannot perform operation {op} between "
"objects of type {x} and {y}".format(
op=name, x=type(x), y=type(y)))
result, changed = maybe_upcast_putmask(result, ~mask, np.nan)
result = result.reshape(x.shape)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y, **eval_kwargs)
except TypeError:
xrav = x.ravel()
if isinstance(y, (np.ndarray, ABCSeries)):
dtype = np.find_common_type([x.dtype, y.dtype], [])
result = np.empty(x.size, dtype=dtype)
yrav = y.ravel()
mask = notna(xrav) & notna(yrav)
xrav = xrav[mask]
# we may need to manually
# broadcast a 1 element array
if yrav.shape != mask.shape:
yrav = np.empty(mask.shape, dtype=yrav.dtype)
yrav.fill(yrav.item())
yrav = yrav[mask]
if np.prod(xrav.shape) and np.prod(yrav.shape):
with np.errstate(all='ignore'):
result[mask] = op(xrav, yrav)
elif hasattr(x, 'size'):
result = np.empty(x.size, dtype=x.dtype)
mask = notna(xrav)
xrav = xrav[mask]
if np.prod(xrav.shape):
with np.errstate(all='ignore'):
result[mask] = op(xrav, y)
else:
raise TypeError("cannot perform operation {op} between "
"objects of type {x} and {y}".format(
op=name, x=type(x), y=type(y)))
result, changed = maybe_upcast_putmask(result, ~mask, np.nan)
result = result.reshape(x.shape)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y, **eval_kwargs)
except TypeError:
xrav = x.ravel()
if isinstance(y, (np.ndarray, ABCSeries)):
dtype = np.find_common_type([x.dtype, y.dtype], [])
result = np.empty(x.size, dtype=dtype)
yrav = y.ravel()
mask = notna(xrav) & notna(yrav)
xrav = xrav[mask]
# we may need to manually
# broadcast a 1 element array
if yrav.shape != mask.shape:
yrav = np.empty(mask.shape, dtype=yrav.dtype)
yrav.fill(yrav.item())
yrav = yrav[mask]
if np.prod(xrav.shape) and np.prod(yrav.shape):
with np.errstate(all='ignore'):
result[mask] = op(xrav, yrav)
elif hasattr(x, 'size'):
result = np.empty(x.size, dtype=x.dtype)
mask = notna(xrav)
xrav = xrav[mask]
if np.prod(xrav.shape):
with np.errstate(all='ignore'):
result[mask] = op(xrav, y)
else:
raise TypeError("cannot perform operation {op} between "
"objects of type {x} and {y}".format(
op=name, x=type(x), y=type(y)))
result, changed = maybe_upcast_putmask(result, ~mask, np.nan)
result = result.reshape(x.shape)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
try:
result = expressions.evaluate(op, str_rep, x, y, raise_on_error=True, **eval_kwargs)
except TypeError:
if isinstance(y, (np.ndarray, ABCSeries, pd.Index)):
dtype = np.find_common_type([x.dtype, y.dtype], [])
result = np.empty(x.size, dtype=dtype)
mask = notnull(x) & notnull(y)
result[mask] = op(x[mask], _values_from_object(y[mask]))
elif isinstance(x, np.ndarray):
result = np.empty(len(x), dtype=x.dtype)
mask = notnull(x)
result[mask] = op(x[mask], y)
else:
raise TypeError("{typ} cannot perform the operation " "{op}".format(typ=type(x).__name__, op=str_rep))
result, changed = com._maybe_upcast_putmask(result, ~mask, np.nan)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y, **eval_kwargs)
except TypeError:
if isinstance(y, (np.ndarray, ABCSeries, pd.Index)):
dtype = find_common_type([x.dtype, y.dtype])
result = np.empty(x.size, dtype=dtype)
mask = notna(x) & notna(y)
result[mask] = op(x[mask], com._values_from_object(y[mask]))
else:
assert isinstance(x, np.ndarray)
result = np.empty(len(x), dtype=x.dtype)
mask = notna(x)
result[mask] = op(x[mask], y)
result, changed = maybe_upcast_putmask(result, ~mask, np.nan)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result
def na_op(x, y):
import pandas.core.computation.expressions as expressions
try:
result = expressions.evaluate(op, str_rep, x, y, **eval_kwargs)
except TypeError:
if isinstance(y, (np.ndarray, ABCSeries, pd.Index)):
dtype = find_common_type([x.dtype, y.dtype])
result = np.empty(x.size, dtype=dtype)
mask = notna(x) & notna(y)
result[mask] = op(x[mask], com._values_from_object(y[mask]))
else:
assert isinstance(x, np.ndarray)
result = np.empty(len(x), dtype=x.dtype)
mask = notna(x)
result[mask] = op(x[mask], y)
result, changed = maybe_upcast_putmask(result, ~mask, np.nan)
result = missing.fill_zeros(result, x, y, name, fill_zeros)
return result