diff options
Diffstat (limited to 'numpy/lib/nanfunctions.py')
| -rw-r--r-- | numpy/lib/nanfunctions.py | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/numpy/lib/nanfunctions.py b/numpy/lib/nanfunctions.py index 9a03d0b39..8e2a34e70 100644 --- a/numpy/lib/nanfunctions.py +++ b/numpy/lib/nanfunctions.py @@ -95,17 +95,18 @@ def _replace_nan(a, val): NaNs, otherwise return None. """ - a = np.array(a, subok=True, copy=True) + a = np.asanyarray(a) if a.dtype == np.object_: # object arrays do not support `isnan` (gh-9009), so make a guess - mask = a != a + mask = np.not_equal(a, a, dtype=bool) elif issubclass(a.dtype.type, np.inexact): mask = np.isnan(a) else: mask = None if mask is not None: + a = np.array(a, subok=True, copy=True) np.copyto(a, val, where=mask) return a, mask @@ -244,8 +245,8 @@ def nanmin(a, axis=None, out=None, keepdims=np._NoValue): out : ndarray, optional Alternate output array in which to place the result. The default is ``None``; if provided, it must have the same shape as the - expected output, but the type will be cast if necessary. See - `doc.ufuncs` for details. + expected output, but the type will be cast if necessary. See + `ufuncs-output-type` for more details. .. versionadded:: 1.8.0 keepdims : bool, optional @@ -359,8 +360,8 @@ def nanmax(a, axis=None, out=None, keepdims=np._NoValue): out : ndarray, optional Alternate output array in which to place the result. The default is ``None``; if provided, it must have the same shape as the - expected output, but the type will be cast if necessary. See - `doc.ufuncs` for details. + expected output, but the type will be cast if necessary. See + `ufuncs-output-type` for more details. .. versionadded:: 1.8.0 keepdims : bool, optional @@ -585,8 +586,8 @@ def nansum(a, axis=None, dtype=None, out=None, keepdims=np._NoValue): Alternate output array in which to place the result. The default is ``None``. If provided, it must have the same shape as the expected output, but the type will be cast if necessary. See - `doc.ufuncs` for details. The casting of NaN to integer can yield - unexpected results. + `ufuncs-output-type` for more details. The casting of NaN to integer + can yield unexpected results. .. versionadded:: 1.8.0 keepdims : bool, optional @@ -681,9 +682,9 @@ def nanprod(a, axis=None, dtype=None, out=None, keepdims=np._NoValue): out : ndarray, optional Alternate output array in which to place the result. The default is ``None``. If provided, it must have the same shape as the - expected output, but the type will be cast if necessary. See - `doc.ufuncs` for details. The casting of NaN to integer can yield - unexpected results. + expected output, but the type will be cast if necessary. See + `ufuncs-output-type` for more details. The casting of NaN to integer + can yield unexpected results. keepdims : bool, optional If True, the axes which are reduced are left in the result as dimensions with size one. With this option, the result will @@ -750,8 +751,8 @@ def nancumsum(a, axis=None, dtype=None, out=None): out : ndarray, optional Alternative output array in which to place the result. It must have the same shape and buffer length as the expected output - but the type will be cast if necessary. See `doc.ufuncs` - (Section "Output arguments") for more details. + but the type will be cast if necessary. See `ufuncs-output-type` for + more details. Returns ------- @@ -888,8 +889,8 @@ def nanmean(a, axis=None, dtype=None, out=None, keepdims=np._NoValue): out : ndarray, optional Alternate output array in which to place the result. The default is ``None``; if provided, it must have the same shape as the - expected output, but the type will be cast if necessary. See - `doc.ufuncs` for details. + expected output, but the type will be cast if necessary. See + `ufuncs-output-type` for more details. keepdims : bool, optional If this is set to True, the axes which are reduced are left in the result as dimensions with size one. With this option, @@ -1443,7 +1444,7 @@ def nanvar(a, axis=None, dtype=None, out=None, ddof=0, keepdims=np._NoValue): the variance of the flattened array. dtype : data-type, optional Type to use in computing the variance. For arrays of integer type - the default is `float32`; for arrays of float types it is the same as + the default is `float64`; for arrays of float types it is the same as the array type. out : ndarray, optional Alternate output array in which to place the result. It must have @@ -1473,7 +1474,7 @@ def nanvar(a, axis=None, dtype=None, out=None, ddof=0, keepdims=np._NoValue): mean : Average var : Variance while not ignoring NaNs nanstd, nanmean - numpy.doc.ufuncs : Section "Output arguments" + ufuncs-output-type Notes ----- @@ -1625,7 +1626,7 @@ def nanstd(a, axis=None, dtype=None, out=None, ddof=0, keepdims=np._NoValue): -------- var, mean, std nanvar, nanmean - numpy.doc.ufuncs : Section "Output arguments" + ufuncs-output-type Notes ----- |