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-rw-r--r--numpy/core/src/arrayobject.c49
-rw-r--r--numpy/core/src/multiarraymodule.c15
-rw-r--r--numpy/core/tests/test_regression.py19
3 files changed, 54 insertions, 29 deletions
diff --git a/numpy/core/src/arrayobject.c b/numpy/core/src/arrayobject.c
index 7398a2263..83dd9e8ad 100644
--- a/numpy/core/src/arrayobject.c
+++ b/numpy/core/src/arrayobject.c
@@ -6641,6 +6641,26 @@ array_base_get(PyArrayObject *self)
}
}
+
+static int
+_zerofill(PyArrayObject *ret)
+{
+ intp n;
+
+ if (PyDataType_REFCHK(ret->descr)) {
+ PyObject *zero = PyInt_FromLong(0);
+ PyArray_FillObjectArray(ret, zero);
+ Py_DECREF(zero);
+ if (PyErr_Occurred()) {Py_DECREF(ret); return -1;}
+ }
+ else {
+ n = PyArray_NBYTES(ret);
+ memset(ret->data, 0, n);
+ return 0;
+ }
+}
+
+
/* Create a view of a complex array with an equivalent data-type
except it is real instead of complex.
*/
@@ -6722,29 +6742,26 @@ static PyObject *
array_imag_get(PyArrayObject *self)
{
PyArrayObject *ret;
- PyArray_Descr *type;
if (PyArray_ISCOMPLEX(self)) {
ret = _get_part(self, 1);
- return (PyObject *) ret;
}
else {
- type = self->descr;
- Py_INCREF(type);
- ret = (PyArrayObject *)PyArray_Zeros(self->nd,
- self->dimensions,
- type,
- PyArray_ISFORTRAN(self));
+ Py_INCREF(self->descr);
+ ret = (PyArrayObject *)PyArray_NewFromDescr(self->ob_type,
+ self->descr,
+ self->nd,
+ self->dimensions,
+ NULL, NULL,
+ PyArray_ISFORTRAN(self),
+ (PyObject *)self);
+ if (ret == NULL) return NULL;
+
+ if (_zerofill(ret) < 0) return NULL;
+
ret->flags &= ~WRITEABLE;
- if (PyArray_CheckExact(self))
- return (PyObject *)ret;
- else {
- PyObject *newret;
- newret = PyArray_View(ret, NULL, self->ob_type);
- Py_DECREF(ret);
- return newret;
- }
}
+ return (PyObject *) ret;
}
static int
diff --git a/numpy/core/src/multiarraymodule.c b/numpy/core/src/multiarraymodule.c
index 8b883f391..1b752d653 100644
--- a/numpy/core/src/multiarraymodule.c
+++ b/numpy/core/src/multiarraymodule.c
@@ -1345,7 +1345,7 @@ PyArray_Clip(PyArrayObject *self, PyObject *min, PyObject *max, PyArrayObject *o
self->dimensions,
NULL, NULL,
PyArray_ISFORTRAN(self),
- NULL);
+ (PyObject *)self);
if (out == NULL) goto fail;
outgood = 1;
}
@@ -5886,7 +5886,6 @@ array_scalar(PyObject *ignored, PyObject *args, PyObject *kwds)
return ret;
}
-
/* steal a reference */
/* accepts NULL type */
/*NUMPY_API
@@ -5896,7 +5895,6 @@ static PyObject *
PyArray_Zeros(int nd, intp *dims, PyArray_Descr *type, int fortran)
{
PyArrayObject *ret;
- intp n;
if (!type) type = PyArray_DescrFromType(PyArray_DEFAULT);
ret = (PyArrayObject *)PyArray_NewFromDescr(&PyArray_Type,
@@ -5906,16 +5904,7 @@ PyArray_Zeros(int nd, intp *dims, PyArray_Descr *type, int fortran)
fortran, NULL);
if (ret == NULL) return NULL;
- if (PyDataType_REFCHK(type)) {
- PyObject *zero = PyInt_FromLong(0);
- PyArray_FillObjectArray(ret, zero);
- Py_DECREF(zero);
- if (PyErr_Occurred()) {Py_DECREF(ret); return NULL;}
- }
- else {
- n = PyArray_NBYTES(ret);
- memset(ret->data, 0, n);
- }
+ if (_zerofill(ret) < 0) return NULL;
return (PyObject *)ret;
}
diff --git a/numpy/core/tests/test_regression.py b/numpy/core/tests/test_regression.py
index 390c80093..ae6695d80 100644
--- a/numpy/core/tests/test_regression.py
+++ b/numpy/core/tests/test_regression.py
@@ -1053,6 +1053,25 @@ class TestRegression(NumpyTestCase):
except TypeError:
pass
+ def check_attributes(self, level=rlevel):
+ """Ticket #791
+ """
+ import numpy as np
+ class TestArray(np.ndarray):
+ def __new__(cls, data, info):
+ result = np.array(data)
+ result = result.view(cls)
+ result.info = info
+ return result
+ def __array_finalize__(self, obj):
+ self.info = getattr(obj, 'info', '')
+ dat = TestArray([[1,2,3,4],[5,6,7,8]],'jubba')
+ assert dat.info == 'jubba'
+ assert dat.mean(1).info == 'jubba'
+ assert dat.std(1).info == 'jubba'
+ assert dat.clip(2,7).info == 'jubba'
+ assert dat.imag.info == 'jubba'
+
def check_recarray_tolist(self, level=rlevel):
"""Ticket #793, changeset r5215