1
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/* Array Descr Object */
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2
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|
3
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#define PY_SSIZE_T_CLEAN
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4
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#include <Python.h>
|
5
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|
#include "structmember.h"
|
6
|
|
|
7
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|
#define NPY_NO_DEPRECATED_API NPY_API_VERSION
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8
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#define _MULTIARRAYMODULE
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9
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|
#include "numpy/arrayobject.h"
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10
|
|
|
11
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|
#include "npy_config.h"
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12
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#include "npy_pycompat.h"
|
13
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|
#include "npy_import.h"
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14
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|
|
15
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|
#include "common.h"
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16
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#include "conversion_utils.h"
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17
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|
#include "ctors.h"
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18
|
|
#include "scalartypes.h"
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19
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|
#include "descriptor.h"
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20
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#include "getset.h"
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21
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#include "arrayobject.h"
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22
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|
#include "mem_overlap.h"
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23
|
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#include "alloc.h"
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24
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#include "npy_buffer.h"
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25
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|
|
26
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/******************* array attribute get and set routines ******************/
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27
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|
|
28
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static PyObject *
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29
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1
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array_ndim_get(PyArrayObject *self)
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30
|
|
{
|
31
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1
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return PyLong_FromLong(PyArray_NDIM(self));
|
32
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|
}
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33
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|
|
34
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|
static PyObject *
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35
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1
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array_flags_get(PyArrayObject *self)
|
36
|
|
{
|
37
|
1
|
return PyArray_NewFlagsObject((PyObject *)self);
|
38
|
|
}
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39
|
|
|
40
|
|
static PyObject *
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41
|
1
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array_shape_get(PyArrayObject *self)
|
42
|
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{
|
43
|
1
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return PyArray_IntTupleFromIntp(PyArray_NDIM(self), PyArray_DIMS(self));
|
44
|
|
}
|
45
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|
|
46
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|
|
47
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static int
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48
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1
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array_shape_set(PyArrayObject *self, PyObject *val)
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49
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|
{
|
50
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int nd;
|
51
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PyArrayObject *ret;
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52
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|
|
53
|
1
|
if (val == NULL) {
|
54
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1
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PyErr_SetString(PyExc_AttributeError,
|
55
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"Cannot delete array shape");
|
56
|
1
|
return -1;
|
57
|
|
}
|
58
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/* Assumes C-order */
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59
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1
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ret = (PyArrayObject *)PyArray_Reshape(self, val);
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60
|
1
|
if (ret == NULL) {
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61
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|
return -1;
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62
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|
}
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63
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1
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if (PyArray_DATA(ret) != PyArray_DATA(self)) {
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64
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1
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Py_DECREF(ret);
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65
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1
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PyErr_SetString(PyExc_AttributeError,
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66
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"Incompatible shape for in-place modification. Use "
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67
|
|
"`.reshape()` to make a copy with the desired shape.");
|
68
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1
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return -1;
|
69
|
|
}
|
70
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|
|
71
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1
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nd = PyArray_NDIM(ret);
|
72
|
1
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if (nd > 0) {
|
73
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|
/* create new dimensions and strides */
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74
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1
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npy_intp *_dimensions = npy_alloc_cache_dim(2 * nd);
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75
|
1
|
if (_dimensions == NULL) {
|
76
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0
|
Py_DECREF(ret);
|
77
|
0
|
PyErr_NoMemory();
|
78
|
0
|
return -1;
|
79
|
|
}
|
80
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/* Free old dimensions and strides */
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81
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1
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npy_free_cache_dim_array(self);
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82
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1
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((PyArrayObject_fields *)self)->nd = nd;
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83
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1
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((PyArrayObject_fields *)self)->dimensions = _dimensions;
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84
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1
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((PyArrayObject_fields *)self)->strides = _dimensions + nd;
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85
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|
|
86
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if (nd) {
|
87
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1
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memcpy(PyArray_DIMS(self), PyArray_DIMS(ret), nd*sizeof(npy_intp));
|
88
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1
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memcpy(PyArray_STRIDES(self), PyArray_STRIDES(ret), nd*sizeof(npy_intp));
|
89
|
|
}
|
90
|
|
}
|
91
|
|
else {
|
92
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|
/* Free old dimensions and strides */
|
93
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1
|
npy_free_cache_dim_array(self);
|
94
|
1
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((PyArrayObject_fields *)self)->nd = 0;
|
95
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1
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((PyArrayObject_fields *)self)->dimensions = NULL;
|
96
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1
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((PyArrayObject_fields *)self)->strides = NULL;
|
97
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|
}
|
98
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|
|
99
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1
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Py_DECREF(ret);
|
100
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1
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PyArray_UpdateFlags(self, NPY_ARRAY_C_CONTIGUOUS | NPY_ARRAY_F_CONTIGUOUS);
|
101
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1
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return 0;
|
102
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|
}
|
103
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|
|
104
|
|
|
105
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static PyObject *
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106
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1
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array_strides_get(PyArrayObject *self)
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107
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{
|
108
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1
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return PyArray_IntTupleFromIntp(PyArray_NDIM(self), PyArray_STRIDES(self));
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109
|
|
}
|
110
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|
|
111
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static int
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112
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1
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array_strides_set(PyArrayObject *self, PyObject *obj)
|
113
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|
{
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114
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1
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PyArray_Dims newstrides = {NULL, -1};
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115
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PyArrayObject *new;
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116
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1
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npy_intp numbytes = 0;
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117
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1
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npy_intp offset = 0;
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118
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1
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npy_intp lower_offset = 0;
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119
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1
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npy_intp upper_offset = 0;
|
120
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Py_buffer view;
|
121
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|
|
122
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1
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if (obj == NULL) {
|
123
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1
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PyErr_SetString(PyExc_AttributeError,
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124
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"Cannot delete array strides");
|
125
|
1
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return -1;
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126
|
|
}
|
127
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1
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if (!PyArray_OptionalIntpConverter(obj, &newstrides) ||
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128
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1
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newstrides.len == -1) {
|
129
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1
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PyErr_SetString(PyExc_TypeError, "invalid strides");
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130
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1
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return -1;
|
131
|
|
}
|
132
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1
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if (newstrides.len != PyArray_NDIM(self)) {
|
133
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0
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PyErr_Format(PyExc_ValueError, "strides must be " \
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134
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|
" same length as shape (%d)", PyArray_NDIM(self));
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135
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0
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goto fail;
|
136
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|
}
|
137
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|
new = self;
|
138
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1
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while(PyArray_BASE(new) && PyArray_Check(PyArray_BASE(new))) {
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139
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1
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new = (PyArrayObject *)(PyArray_BASE(new));
|
140
|
|
}
|
141
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|
/*
|
142
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* Get the available memory through the buffer interface on
|
143
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|
* PyArray_BASE(new) or if that fails from the current new
|
144
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|
*/
|
145
|
1
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if (PyArray_BASE(new) &&
|
146
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1
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PyObject_GetBuffer(PyArray_BASE(new), &view, PyBUF_SIMPLE) >= 0) {
|
147
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0
|
offset = PyArray_BYTES(self) - (char *)view.buf;
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148
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0
|
numbytes = view.len + offset;
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149
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0
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PyBuffer_Release(&view);
|
150
|
|
}
|
151
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|
else {
|
152
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1
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PyErr_Clear();
|
153
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1
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offset_bounds_from_strides(PyArray_ITEMSIZE(new), PyArray_NDIM(new),
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154
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1
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PyArray_DIMS(new), PyArray_STRIDES(new),
|
155
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&lower_offset, &upper_offset);
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156
|
|
|
157
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1
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offset = PyArray_BYTES(self) - (PyArray_BYTES(new) + lower_offset);
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158
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1
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numbytes = upper_offset - lower_offset;
|
159
|
|
}
|
160
|
|
|
161
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|
/* numbytes == 0 is special here, but the 0-size array case always works */
|
162
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1
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if (!PyArray_CheckStrides(PyArray_ITEMSIZE(self), PyArray_NDIM(self),
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163
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|
numbytes, offset,
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164
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1
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PyArray_DIMS(self), newstrides.ptr)) {
|
165
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1
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PyErr_SetString(PyExc_ValueError, "strides is not "\
|
166
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|
"compatible with available memory");
|
167
|
1
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goto fail;
|
168
|
|
}
|
169
|
1
|
if (newstrides.len) {
|
170
|
1
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memcpy(PyArray_STRIDES(self), newstrides.ptr, sizeof(npy_intp)*newstrides.len);
|
171
|
|
}
|
172
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1
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PyArray_UpdateFlags(self, NPY_ARRAY_C_CONTIGUOUS | NPY_ARRAY_F_CONTIGUOUS |
|
173
|
|
NPY_ARRAY_ALIGNED);
|
174
|
1
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npy_free_cache_dim_obj(newstrides);
|
175
|
1
|
return 0;
|
176
|
|
|
177
|
1
|
fail:
|
178
|
1
|
npy_free_cache_dim_obj(newstrides);
|
179
|
1
|
return -1;
|
180
|
|
}
|
181
|
|
|
182
|
|
|
183
|
|
|
184
|
|
static PyObject *
|
185
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1
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array_priority_get(PyArrayObject *NPY_UNUSED(self))
|
186
|
|
{
|
187
|
1
|
return PyFloat_FromDouble(NPY_PRIORITY);
|
188
|
|
}
|
189
|
|
|
190
|
|
static PyObject *
|
191
|
|
array_typestr_get(PyArrayObject *self)
|
192
|
|
{
|
193
|
1
|
return arraydescr_protocol_typestr_get(PyArray_DESCR(self));
|
194
|
|
}
|
195
|
|
|
196
|
|
static PyObject *
|
197
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1
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array_descr_get(PyArrayObject *self)
|
198
|
|
{
|
199
|
1
|
Py_INCREF(PyArray_DESCR(self));
|
200
|
1
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return (PyObject *)PyArray_DESCR(self);
|
201
|
|
}
|
202
|
|
|
203
|
|
static PyObject *
|
204
|
1
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array_protocol_descr_get(PyArrayObject *self)
|
205
|
|
{
|
206
|
|
PyObject *res;
|
207
|
|
PyObject *dobj;
|
208
|
|
|
209
|
1
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res = arraydescr_protocol_descr_get(PyArray_DESCR(self));
|
210
|
1
|
if (res) {
|
211
|
|
return res;
|
212
|
|
}
|
213
|
1
|
PyErr_Clear();
|
214
|
|
|
215
|
|
/* get default */
|
216
|
1
|
dobj = PyTuple_New(2);
|
217
|
1
|
if (dobj == NULL) {
|
218
|
|
return NULL;
|
219
|
|
}
|
220
|
1
|
PyTuple_SET_ITEM(dobj, 0, PyUnicode_FromString(""));
|
221
|
1
|
PyTuple_SET_ITEM(dobj, 1, array_typestr_get(self));
|
222
|
1
|
res = PyList_New(1);
|
223
|
1
|
if (res == NULL) {
|
224
|
0
|
Py_DECREF(dobj);
|
225
|
|
return NULL;
|
226
|
|
}
|
227
|
1
|
PyList_SET_ITEM(res, 0, dobj);
|
228
|
1
|
return res;
|
229
|
|
}
|
230
|
|
|
231
|
|
static PyObject *
|
232
|
1
|
array_protocol_strides_get(PyArrayObject *self)
|
233
|
|
{
|
234
|
1
|
if (PyArray_ISCONTIGUOUS(self)) {
|
235
|
1
|
Py_RETURN_NONE;
|
236
|
|
}
|
237
|
1
|
return PyArray_IntTupleFromIntp(PyArray_NDIM(self), PyArray_STRIDES(self));
|
238
|
|
}
|
239
|
|
|
240
|
|
|
241
|
|
|
242
|
|
static PyObject *
|
243
|
1
|
array_dataptr_get(PyArrayObject *self)
|
244
|
|
{
|
245
|
1
|
return Py_BuildValue("NO",
|
246
|
|
PyLong_FromVoidPtr(PyArray_DATA(self)),
|
247
|
1
|
((PyArray_FLAGS(self) & NPY_ARRAY_WRITEABLE) &&
|
248
|
1
|
!(PyArray_FLAGS(self) & NPY_ARRAY_WARN_ON_WRITE)) ?
|
249
|
|
Py_False : Py_True);
|
250
|
|
}
|
251
|
|
|
252
|
|
static PyObject *
|
253
|
1
|
array_ctypes_get(PyArrayObject *self)
|
254
|
|
{
|
255
|
|
PyObject *_numpy_internal;
|
256
|
|
PyObject *ret;
|
257
|
1
|
_numpy_internal = PyImport_ImportModule("numpy.core._internal");
|
258
|
1
|
if (_numpy_internal == NULL) {
|
259
|
|
return NULL;
|
260
|
|
}
|
261
|
1
|
ret = PyObject_CallMethod(_numpy_internal, "_ctypes", "ON", self,
|
262
|
|
PyLong_FromVoidPtr(PyArray_DATA(self)));
|
263
|
1
|
Py_DECREF(_numpy_internal);
|
264
|
|
return ret;
|
265
|
|
}
|
266
|
|
|
267
|
|
static PyObject *
|
268
|
1
|
array_interface_get(PyArrayObject *self)
|
269
|
|
{
|
270
|
|
PyObject *dict;
|
271
|
|
PyObject *obj;
|
272
|
|
|
273
|
1
|
dict = PyDict_New();
|
274
|
1
|
if (dict == NULL) {
|
275
|
|
return NULL;
|
276
|
|
}
|
277
|
|
|
278
|
|
int ret;
|
279
|
|
|
280
|
|
/* dataptr */
|
281
|
1
|
obj = array_dataptr_get(self);
|
282
|
1
|
ret = PyDict_SetItemString(dict, "data", obj);
|
283
|
1
|
Py_DECREF(obj);
|
284
|
1
|
if (ret < 0) {
|
285
|
0
|
Py_DECREF(dict);
|
286
|
|
return NULL;
|
287
|
|
}
|
288
|
|
|
289
|
1
|
obj = array_protocol_strides_get(self);
|
290
|
1
|
ret = PyDict_SetItemString(dict, "strides", obj);
|
291
|
1
|
Py_DECREF(obj);
|
292
|
1
|
if (ret < 0) {
|
293
|
0
|
Py_DECREF(dict);
|
294
|
|
return NULL;
|
295
|
|
}
|
296
|
|
|
297
|
1
|
obj = array_protocol_descr_get(self);
|
298
|
1
|
ret = PyDict_SetItemString(dict, "descr", obj);
|
299
|
1
|
Py_DECREF(obj);
|
300
|
1
|
if (ret < 0) {
|
301
|
0
|
Py_DECREF(dict);
|
302
|
|
return NULL;
|
303
|
|
}
|
304
|
|
|
305
|
1
|
obj = arraydescr_protocol_typestr_get(PyArray_DESCR(self));
|
306
|
1
|
ret = PyDict_SetItemString(dict, "typestr", obj);
|
307
|
1
|
Py_DECREF(obj);
|
308
|
1
|
if (ret < 0) {
|
309
|
0
|
Py_DECREF(dict);
|
310
|
|
return NULL;
|
311
|
|
}
|
312
|
|
|
313
|
1
|
obj = array_shape_get(self);
|
314
|
1
|
ret = PyDict_SetItemString(dict, "shape", obj);
|
315
|
1
|
Py_DECREF(obj);
|
316
|
1
|
if (ret < 0) {
|
317
|
0
|
Py_DECREF(dict);
|
318
|
|
return NULL;
|
319
|
|
}
|
320
|
|
|
321
|
1
|
obj = PyLong_FromLong(3);
|
322
|
1
|
ret = PyDict_SetItemString(dict, "version", obj);
|
323
|
1
|
Py_DECREF(obj);
|
324
|
1
|
if (ret < 0) {
|
325
|
0
|
Py_DECREF(dict);
|
326
|
|
return NULL;
|
327
|
|
}
|
328
|
|
|
329
|
|
return dict;
|
330
|
|
}
|
331
|
|
|
332
|
|
static PyObject *
|
333
|
1
|
array_data_get(PyArrayObject *self)
|
334
|
|
{
|
335
|
1
|
return PyMemoryView_FromObject((PyObject *)self);
|
336
|
|
}
|
337
|
|
|
338
|
|
static int
|
339
|
1
|
array_data_set(PyArrayObject *self, PyObject *op)
|
340
|
|
{
|
341
|
|
void *buf;
|
342
|
|
Py_ssize_t buf_len;
|
343
|
1
|
int writeable=1;
|
344
|
|
Py_buffer view;
|
345
|
|
|
346
|
|
/* 2016-19-02, 1.12 */
|
347
|
1
|
int ret = DEPRECATE("Assigning the 'data' attribute is an "
|
348
|
|
"inherently unsafe operation and will "
|
349
|
|
"be removed in the future.");
|
350
|
1
|
if (ret < 0) {
|
351
|
|
return -1;
|
352
|
|
}
|
353
|
|
|
354
|
1
|
if (op == NULL) {
|
355
|
1
|
PyErr_SetString(PyExc_AttributeError,
|
356
|
|
"Cannot delete array data");
|
357
|
1
|
return -1;
|
358
|
|
}
|
359
|
1
|
if (PyObject_GetBuffer(op, &view, PyBUF_WRITABLE|PyBUF_SIMPLE) < 0) {
|
360
|
0
|
writeable = 0;
|
361
|
0
|
PyErr_Clear();
|
362
|
0
|
if (PyObject_GetBuffer(op, &view, PyBUF_SIMPLE) < 0) {
|
363
|
|
return -1;
|
364
|
|
}
|
365
|
|
}
|
366
|
1
|
buf = view.buf;
|
367
|
1
|
buf_len = view.len;
|
368
|
|
/*
|
369
|
|
* In Python 3 both of the deprecated functions PyObject_AsWriteBuffer and
|
370
|
|
* PyObject_AsReadBuffer that this code replaces release the buffer. It is
|
371
|
|
* up to the object that supplies the buffer to guarantee that the buffer
|
372
|
|
* sticks around after the release.
|
373
|
|
*/
|
374
|
1
|
PyBuffer_Release(&view);
|
375
|
|
|
376
|
1
|
if (!PyArray_ISONESEGMENT(self)) {
|
377
|
0
|
PyErr_SetString(PyExc_AttributeError,
|
378
|
|
"cannot set single-segment buffer for discontiguous array");
|
379
|
0
|
return -1;
|
380
|
|
}
|
381
|
1
|
if (PyArray_NBYTES(self) > buf_len) {
|
382
|
0
|
PyErr_SetString(PyExc_AttributeError, "not enough data for array");
|
383
|
0
|
return -1;
|
384
|
|
}
|
385
|
1
|
if (PyArray_FLAGS(self) & NPY_ARRAY_OWNDATA) {
|
386
|
1
|
PyArray_XDECREF(self);
|
387
|
1
|
PyDataMem_FREE(PyArray_DATA(self));
|
388
|
|
}
|
389
|
1
|
if (PyArray_BASE(self)) {
|
390
|
0
|
if ((PyArray_FLAGS(self) & NPY_ARRAY_WRITEBACKIFCOPY) ||
|
391
|
0
|
(PyArray_FLAGS(self) & NPY_ARRAY_UPDATEIFCOPY)) {
|
392
|
0
|
PyArray_ENABLEFLAGS((PyArrayObject *)PyArray_BASE(self),
|
393
|
|
NPY_ARRAY_WRITEABLE);
|
394
|
0
|
PyArray_CLEARFLAGS(self, NPY_ARRAY_WRITEBACKIFCOPY);
|
395
|
|
PyArray_CLEARFLAGS(self, NPY_ARRAY_UPDATEIFCOPY);
|
396
|
|
}
|
397
|
0
|
Py_DECREF(PyArray_BASE(self));
|
398
|
0
|
((PyArrayObject_fields *)self)->base = NULL;
|
399
|
|
}
|
400
|
1
|
Py_INCREF(op);
|
401
|
1
|
if (PyArray_SetBaseObject(self, op) < 0) {
|
402
|
|
return -1;
|
403
|
|
}
|
404
|
1
|
((PyArrayObject_fields *)self)->data = buf;
|
405
|
1
|
((PyArrayObject_fields *)self)->flags = NPY_ARRAY_CARRAY;
|
406
|
1
|
if (!writeable) {
|
407
|
|
PyArray_CLEARFLAGS(self, ~NPY_ARRAY_WRITEABLE);
|
408
|
|
}
|
409
|
|
return 0;
|
410
|
|
}
|
411
|
|
|
412
|
|
|
413
|
|
static PyObject *
|
414
|
1
|
array_itemsize_get(PyArrayObject *self)
|
415
|
|
{
|
416
|
1
|
return PyLong_FromLong((long) PyArray_DESCR(self)->elsize);
|
417
|
|
}
|
418
|
|
|
419
|
|
static PyObject *
|
420
|
1
|
array_size_get(PyArrayObject *self)
|
421
|
|
{
|
422
|
1
|
npy_intp size=PyArray_SIZE(self);
|
423
|
|
#if NPY_SIZEOF_INTP <= NPY_SIZEOF_LONG
|
424
|
1
|
return PyLong_FromLong((long) size);
|
425
|
|
#else
|
426
|
|
if (size > NPY_MAX_LONG || size < NPY_MIN_LONG) {
|
427
|
|
return PyLong_FromLongLong(size);
|
428
|
|
}
|
429
|
|
else {
|
430
|
|
return PyLong_FromLong((long) size);
|
431
|
|
}
|
432
|
|
#endif
|
433
|
|
}
|
434
|
|
|
435
|
|
static PyObject *
|
436
|
1
|
array_nbytes_get(PyArrayObject *self)
|
437
|
|
{
|
438
|
1
|
npy_intp nbytes = PyArray_NBYTES(self);
|
439
|
|
#if NPY_SIZEOF_INTP <= NPY_SIZEOF_LONG
|
440
|
1
|
return PyLong_FromLong((long) nbytes);
|
441
|
|
#else
|
442
|
|
if (nbytes > NPY_MAX_LONG || nbytes < NPY_MIN_LONG) {
|
443
|
|
return PyLong_FromLongLong(nbytes);
|
444
|
|
}
|
445
|
|
else {
|
446
|
|
return PyLong_FromLong((long) nbytes);
|
447
|
|
}
|
448
|
|
#endif
|
449
|
|
}
|
450
|
|
|
451
|
|
|
452
|
|
/*
|
453
|
|
* If the type is changed.
|
454
|
|
* Also needing change: strides, itemsize
|
455
|
|
*
|
456
|
|
* Either itemsize is exactly the same or the array is single-segment
|
457
|
|
* (contiguous or fortran) with compatible dimensions The shape and strides
|
458
|
|
* will be adjusted in that case as well.
|
459
|
|
*/
|
460
|
|
static int
|
461
|
1
|
array_descr_set(PyArrayObject *self, PyObject *arg)
|
462
|
|
{
|
463
|
1
|
PyArray_Descr *newtype = NULL;
|
464
|
|
|
465
|
1
|
if (arg == NULL) {
|
466
|
1
|
PyErr_SetString(PyExc_AttributeError,
|
467
|
|
"Cannot delete array dtype");
|
468
|
1
|
return -1;
|
469
|
|
}
|
470
|
|
|
471
|
1
|
if (!(PyArray_DescrConverter(arg, &newtype)) ||
|
472
|
1
|
newtype == NULL) {
|
473
|
0
|
PyErr_SetString(PyExc_TypeError,
|
474
|
|
"invalid data-type for array");
|
475
|
0
|
return -1;
|
476
|
|
}
|
477
|
|
|
478
|
|
/* check that we are not reinterpreting memory containing Objects. */
|
479
|
1
|
if (_may_have_objects(PyArray_DESCR(self)) || _may_have_objects(newtype)) {
|
480
|
|
static PyObject *checkfunc = NULL;
|
481
|
|
PyObject *safe;
|
482
|
|
|
483
|
1
|
npy_cache_import("numpy.core._internal", "_view_is_safe", &checkfunc);
|
484
|
1
|
if (checkfunc == NULL) {
|
485
|
|
goto fail;
|
486
|
|
}
|
487
|
|
|
488
|
1
|
safe = PyObject_CallFunction(checkfunc, "OO",
|
489
|
|
PyArray_DESCR(self), newtype);
|
490
|
1
|
if (safe == NULL) {
|
491
|
|
goto fail;
|
492
|
|
}
|
493
|
1
|
Py_DECREF(safe);
|
494
|
|
}
|
495
|
|
|
496
|
|
/*
|
497
|
|
* Viewing as an unsized void implies a void dtype matching the size of the
|
498
|
|
* current dtype.
|
499
|
|
*/
|
500
|
1
|
if (newtype->type_num == NPY_VOID &&
|
501
|
1
|
PyDataType_ISUNSIZED(newtype) &&
|
502
|
1
|
newtype->elsize != PyArray_DESCR(self)->elsize) {
|
503
|
0
|
PyArray_DESCR_REPLACE(newtype);
|
504
|
0
|
if (newtype == NULL) {
|
505
|
|
return -1;
|
506
|
|
}
|
507
|
0
|
newtype->elsize = PyArray_DESCR(self)->elsize;
|
508
|
|
}
|
509
|
|
|
510
|
|
/* Changing the size of the dtype results in a shape change */
|
511
|
1
|
if (newtype->elsize != PyArray_DESCR(self)->elsize) {
|
512
|
|
int axis;
|
513
|
|
npy_intp newdim;
|
514
|
|
|
515
|
|
/* forbidden cases */
|
516
|
1
|
if (PyArray_NDIM(self) == 0) {
|
517
|
0
|
PyErr_SetString(PyExc_ValueError,
|
518
|
|
"Changing the dtype of a 0d array is only supported "
|
519
|
|
"if the itemsize is unchanged");
|
520
|
0
|
goto fail;
|
521
|
|
}
|
522
|
1
|
else if (PyDataType_HASSUBARRAY(newtype)) {
|
523
|
0
|
PyErr_SetString(PyExc_ValueError,
|
524
|
|
"Changing the dtype to a subarray type is only supported "
|
525
|
|
"if the total itemsize is unchanged");
|
526
|
0
|
goto fail;
|
527
|
|
}
|
528
|
|
|
529
|
|
/* determine which axis to resize */
|
530
|
1
|
if (PyArray_IS_C_CONTIGUOUS(self)) {
|
531
|
1
|
axis = PyArray_NDIM(self) - 1;
|
532
|
|
}
|
533
|
1
|
else if (PyArray_IS_F_CONTIGUOUS(self)) {
|
534
|
|
/* 2015-11-27 1.11.0, gh-6747 */
|
535
|
1
|
if (DEPRECATE(
|
536
|
|
"Changing the shape of an F-contiguous array by "
|
537
|
|
"descriptor assignment is deprecated. To maintain the "
|
538
|
|
"Fortran contiguity of a multidimensional Fortran "
|
539
|
|
"array, use 'a.T.view(...).T' instead") < 0) {
|
540
|
|
goto fail;
|
541
|
|
}
|
542
|
|
axis = 0;
|
543
|
|
}
|
544
|
|
else {
|
545
|
|
/* Don't mention the deprecated F-contiguous support */
|
546
|
0
|
PyErr_SetString(PyExc_ValueError,
|
547
|
|
"To change to a dtype of a different size, the array must "
|
548
|
|
"be C-contiguous");
|
549
|
0
|
goto fail;
|
550
|
|
}
|
551
|
|
|
552
|
1
|
if (newtype->elsize < PyArray_DESCR(self)->elsize) {
|
553
|
|
/* if it is compatible, increase the size of the relevant axis */
|
554
|
1
|
if (newtype->elsize == 0 ||
|
555
|
1
|
PyArray_DESCR(self)->elsize % newtype->elsize != 0) {
|
556
|
1
|
PyErr_SetString(PyExc_ValueError,
|
557
|
|
"When changing to a smaller dtype, its size must be a "
|
558
|
|
"divisor of the size of original dtype");
|
559
|
1
|
goto fail;
|
560
|
|
}
|
561
|
1
|
newdim = PyArray_DESCR(self)->elsize / newtype->elsize;
|
562
|
1
|
PyArray_DIMS(self)[axis] *= newdim;
|
563
|
1
|
PyArray_STRIDES(self)[axis] = newtype->elsize;
|
564
|
|
}
|
565
|
1
|
else if (newtype->elsize > PyArray_DESCR(self)->elsize) {
|
566
|
|
/* if it is compatible, decrease the size of the relevant axis */
|
567
|
1
|
newdim = PyArray_DIMS(self)[axis] * PyArray_DESCR(self)->elsize;
|
568
|
1
|
if ((newdim % newtype->elsize) != 0) {
|
569
|
0
|
PyErr_SetString(PyExc_ValueError,
|
570
|
|
"When changing to a larger dtype, its size must be a "
|
571
|
|
"divisor of the total size in bytes of the last axis "
|
572
|
|
"of the array.");
|
573
|
0
|
goto fail;
|
574
|
|
}
|
575
|
1
|
PyArray_DIMS(self)[axis] = newdim / newtype->elsize;
|
576
|
1
|
PyArray_STRIDES(self)[axis] = newtype->elsize;
|
577
|
|
}
|
578
|
|
}
|
579
|
|
|
580
|
|
/* Viewing as a subarray increases the number of dimensions */
|
581
|
1
|
if (PyDataType_HASSUBARRAY(newtype)) {
|
582
|
|
/*
|
583
|
|
* create new array object from data and update
|
584
|
|
* dimensions, strides and descr from it
|
585
|
|
*/
|
586
|
|
PyArrayObject *temp;
|
587
|
|
/*
|
588
|
|
* We would decref newtype here.
|
589
|
|
* temp will steal a reference to it
|
590
|
|
*/
|
591
|
1
|
temp = (PyArrayObject *)
|
592
|
1
|
PyArray_NewFromDescr(&PyArray_Type, newtype, PyArray_NDIM(self),
|
593
|
1
|
PyArray_DIMS(self), PyArray_STRIDES(self),
|
594
|
|
PyArray_DATA(self), PyArray_FLAGS(self), NULL);
|
595
|
1
|
if (temp == NULL) {
|
596
|
|
return -1;
|
597
|
|
}
|
598
|
1
|
npy_free_cache_dim_array(self);
|
599
|
1
|
((PyArrayObject_fields *)self)->dimensions = PyArray_DIMS(temp);
|
600
|
1
|
((PyArrayObject_fields *)self)->nd = PyArray_NDIM(temp);
|
601
|
1
|
((PyArrayObject_fields *)self)->strides = PyArray_STRIDES(temp);
|
602
|
1
|
newtype = PyArray_DESCR(temp);
|
603
|
1
|
Py_INCREF(PyArray_DESCR(temp));
|
604
|
|
/* Fool deallocator not to delete these*/
|
605
|
1
|
((PyArrayObject_fields *)temp)->nd = 0;
|
606
|
1
|
((PyArrayObject_fields *)temp)->dimensions = NULL;
|
607
|
1
|
Py_DECREF(temp);
|
608
|
|
}
|
609
|
|
|
610
|
1
|
Py_DECREF(PyArray_DESCR(self));
|
611
|
1
|
((PyArrayObject_fields *)self)->descr = newtype;
|
612
|
1
|
PyArray_UpdateFlags(self, NPY_ARRAY_UPDATE_ALL);
|
613
|
1
|
return 0;
|
614
|
|
|
615
|
1
|
fail:
|
616
|
1
|
Py_DECREF(newtype);
|
617
|
|
return -1;
|
618
|
|
}
|
619
|
|
|
620
|
|
static PyObject *
|
621
|
1
|
array_struct_get(PyArrayObject *self)
|
622
|
|
{
|
623
|
|
PyArrayInterface *inter;
|
624
|
|
|
625
|
1
|
inter = (PyArrayInterface *)PyArray_malloc(sizeof(PyArrayInterface));
|
626
|
1
|
if (inter==NULL) {
|
627
|
0
|
return PyErr_NoMemory();
|
628
|
|
}
|
629
|
1
|
inter->two = 2;
|
630
|
1
|
inter->nd = PyArray_NDIM(self);
|
631
|
1
|
inter->typekind = PyArray_DESCR(self)->kind;
|
632
|
1
|
inter->itemsize = PyArray_DESCR(self)->elsize;
|
633
|
1
|
inter->flags = PyArray_FLAGS(self);
|
634
|
1
|
if (inter->flags & NPY_ARRAY_WARN_ON_WRITE) {
|
635
|
|
/* Export a warn-on-write array as read-only */
|
636
|
1
|
inter->flags = inter->flags & ~NPY_ARRAY_WARN_ON_WRITE;
|
637
|
1
|
inter->flags = inter->flags & ~NPY_ARRAY_WRITEABLE;
|
638
|
|
}
|
639
|
|
/* reset unused flags */
|
640
|
1
|
inter->flags &= ~(NPY_ARRAY_WRITEBACKIFCOPY | NPY_ARRAY_UPDATEIFCOPY |NPY_ARRAY_OWNDATA);
|
641
|
1
|
if (PyArray_ISNOTSWAPPED(self)) inter->flags |= NPY_ARRAY_NOTSWAPPED;
|
642
|
|
/*
|
643
|
|
* Copy shape and strides over since these can be reset
|
644
|
|
*when the array is "reshaped".
|
645
|
|
*/
|
646
|
1
|
if (PyArray_NDIM(self) > 0) {
|
647
|
1
|
inter->shape = (npy_intp *)PyArray_malloc(2*sizeof(npy_intp)*PyArray_NDIM(self));
|
648
|
1
|
if (inter->shape == NULL) {
|
649
|
0
|
PyArray_free(inter);
|
650
|
0
|
return PyErr_NoMemory();
|
651
|
|
}
|
652
|
1
|
inter->strides = inter->shape + PyArray_NDIM(self);
|
653
|
1
|
if (PyArray_NDIM(self)) {
|
654
|
1
|
memcpy(inter->shape, PyArray_DIMS(self), sizeof(npy_intp)*PyArray_NDIM(self));
|
655
|
1
|
memcpy(inter->strides, PyArray_STRIDES(self), sizeof(npy_intp)*PyArray_NDIM(self));
|
656
|
|
}
|
657
|
|
}
|
658
|
|
else {
|
659
|
1
|
inter->shape = NULL;
|
660
|
1
|
inter->strides = NULL;
|
661
|
|
}
|
662
|
1
|
inter->data = PyArray_DATA(self);
|
663
|
1
|
if (PyDataType_HASFIELDS(PyArray_DESCR(self))) {
|
664
|
1
|
inter->descr = arraydescr_protocol_descr_get(PyArray_DESCR(self));
|
665
|
1
|
if (inter->descr == NULL) {
|
666
|
0
|
PyErr_Clear();
|
667
|
|
}
|
668
|
|
else {
|
669
|
1
|
inter->flags &= NPY_ARR_HAS_DESCR;
|
670
|
|
}
|
671
|
|
}
|
672
|
|
else {
|
673
|
1
|
inter->descr = NULL;
|
674
|
|
}
|
675
|
1
|
PyObject *ret = PyCapsule_New(inter, NULL, gentype_struct_free);
|
676
|
1
|
if (ret == NULL) {
|
677
|
|
return NULL;
|
678
|
|
}
|
679
|
1
|
Py_INCREF(self);
|
680
|
1
|
if (PyCapsule_SetContext(ret, self) < 0) {
|
681
|
|
return NULL;
|
682
|
|
}
|
683
|
1
|
return ret;
|
684
|
|
}
|
685
|
|
|
686
|
|
static PyObject *
|
687
|
1
|
array_base_get(PyArrayObject *self)
|
688
|
|
{
|
689
|
1
|
if (PyArray_BASE(self) == NULL) {
|
690
|
1
|
Py_RETURN_NONE;
|
691
|
|
}
|
692
|
|
else {
|
693
|
1
|
Py_INCREF(PyArray_BASE(self));
|
694
|
1
|
return PyArray_BASE(self);
|
695
|
|
}
|
696
|
|
}
|
697
|
|
|
698
|
|
/*
|
699
|
|
* Create a view of a complex array with an equivalent data-type
|
700
|
|
* except it is real instead of complex.
|
701
|
|
*/
|
702
|
|
static PyArrayObject *
|
703
|
1
|
_get_part(PyArrayObject *self, int imag)
|
704
|
|
{
|
705
|
|
int float_type_num;
|
706
|
|
PyArray_Descr *type;
|
707
|
|
PyArrayObject *ret;
|
708
|
|
int offset;
|
709
|
|
|
710
|
1
|
switch (PyArray_DESCR(self)->type_num) {
|
711
|
|
case NPY_CFLOAT:
|
712
|
|
float_type_num = NPY_FLOAT;
|
713
|
|
break;
|
714
|
1
|
case NPY_CDOUBLE:
|
715
|
1
|
float_type_num = NPY_DOUBLE;
|
716
|
1
|
break;
|
717
|
1
|
case NPY_CLONGDOUBLE:
|
718
|
1
|
float_type_num = NPY_LONGDOUBLE;
|
719
|
1
|
break;
|
720
|
0
|
default:
|
721
|
0
|
PyErr_Format(PyExc_ValueError,
|
722
|
|
"Cannot convert complex type number %d to float",
|
723
|
0
|
PyArray_DESCR(self)->type_num);
|
724
|
0
|
return NULL;
|
725
|
|
|
726
|
|
}
|
727
|
1
|
type = PyArray_DescrFromType(float_type_num);
|
728
|
|
|
729
|
1
|
offset = (imag ? type->elsize : 0);
|
730
|
|
|
731
|
1
|
if (!PyArray_ISNBO(PyArray_DESCR(self)->byteorder)) {
|
732
|
|
PyArray_Descr *new;
|
733
|
1
|
new = PyArray_DescrNew(type);
|
734
|
1
|
new->byteorder = PyArray_DESCR(self)->byteorder;
|
735
|
1
|
Py_DECREF(type);
|
736
|
|
type = new;
|
737
|
|
}
|
738
|
1
|
ret = (PyArrayObject *)PyArray_NewFromDescrAndBase(
|
739
|
1
|
Py_TYPE(self),
|
740
|
|
type,
|
741
|
|
PyArray_NDIM(self),
|
742
|
1
|
PyArray_DIMS(self),
|
743
|
1
|
PyArray_STRIDES(self),
|
744
|
1
|
PyArray_BYTES(self) + offset,
|
745
|
|
PyArray_FLAGS(self), (PyObject *)self, (PyObject *)self);
|
746
|
1
|
if (ret == NULL) {
|
747
|
|
return NULL;
|
748
|
|
}
|
749
|
1
|
return ret;
|
750
|
|
}
|
751
|
|
|
752
|
|
/* For Object arrays, we need to get and set the
|
753
|
|
real part of each element.
|
754
|
|
*/
|
755
|
|
|
756
|
|
static PyObject *
|
757
|
1
|
array_real_get(PyArrayObject *self)
|
758
|
|
{
|
759
|
|
PyArrayObject *ret;
|
760
|
|
|
761
|
1
|
if (PyArray_ISCOMPLEX(self)) {
|
762
|
1
|
ret = _get_part(self, 0);
|
763
|
1
|
return (PyObject *)ret;
|
764
|
|
}
|
765
|
|
else {
|
766
|
1
|
Py_INCREF(self);
|
767
|
1
|
return (PyObject *)self;
|
768
|
|
}
|
769
|
|
}
|
770
|
|
|
771
|
|
|
772
|
|
static int
|
773
|
1
|
array_real_set(PyArrayObject *self, PyObject *val)
|
774
|
|
{
|
775
|
|
PyArrayObject *ret;
|
776
|
|
PyArrayObject *new;
|
777
|
|
int retcode;
|
778
|
|
|
779
|
1
|
if (val == NULL) {
|
780
|
1
|
PyErr_SetString(PyExc_AttributeError,
|
781
|
|
"Cannot delete array real part");
|
782
|
1
|
return -1;
|
783
|
|
}
|
784
|
1
|
if (PyArray_ISCOMPLEX(self)) {
|
785
|
1
|
ret = _get_part(self, 0);
|
786
|
1
|
if (ret == NULL) {
|
787
|
|
return -1;
|
788
|
|
}
|
789
|
|
}
|
790
|
|
else {
|
791
|
0
|
Py_INCREF(self);
|
792
|
0
|
ret = self;
|
793
|
|
}
|
794
|
1
|
new = (PyArrayObject *)PyArray_FROM_O(val);
|
795
|
1
|
if (new == NULL) {
|
796
|
0
|
Py_DECREF(ret);
|
797
|
|
return -1;
|
798
|
|
}
|
799
|
1
|
retcode = PyArray_MoveInto(ret, new);
|
800
|
1
|
Py_DECREF(ret);
|
801
|
1
|
Py_DECREF(new);
|
802
|
|
return retcode;
|
803
|
|
}
|
804
|
|
|
805
|
|
/* For Object arrays we need to get
|
806
|
|
and set the imaginary part of
|
807
|
|
each element
|
808
|
|
*/
|
809
|
|
|
810
|
|
static PyObject *
|
811
|
1
|
array_imag_get(PyArrayObject *self)
|
812
|
|
{
|
813
|
|
PyArrayObject *ret;
|
814
|
|
|
815
|
1
|
if (PyArray_ISCOMPLEX(self)) {
|
816
|
1
|
ret = _get_part(self, 1);
|
817
|
|
}
|
818
|
|
else {
|
819
|
1
|
Py_INCREF(PyArray_DESCR(self));
|
820
|
1
|
ret = (PyArrayObject *)PyArray_NewFromDescr(Py_TYPE(self),
|
821
|
|
PyArray_DESCR(self),
|
822
|
|
PyArray_NDIM(self),
|
823
|
1
|
PyArray_DIMS(self),
|
824
|
|
NULL, NULL,
|
825
|
1
|
PyArray_ISFORTRAN(self),
|
826
|
|
(PyObject *)self);
|
827
|
1
|
if (ret == NULL) {
|
828
|
|
return NULL;
|
829
|
|
}
|
830
|
1
|
if (_zerofill(ret) < 0) {
|
831
|
|
return NULL;
|
832
|
|
}
|
833
|
|
PyArray_CLEARFLAGS(ret, NPY_ARRAY_WRITEABLE);
|
834
|
|
}
|
835
|
|
return (PyObject *) ret;
|
836
|
|
}
|
837
|
|
|
838
|
|
static int
|
839
|
1
|
array_imag_set(PyArrayObject *self, PyObject *val)
|
840
|
|
{
|
841
|
1
|
if (val == NULL) {
|
842
|
1
|
PyErr_SetString(PyExc_AttributeError,
|
843
|
|
"Cannot delete array imaginary part");
|
844
|
1
|
return -1;
|
845
|
|
}
|
846
|
1
|
if (PyArray_ISCOMPLEX(self)) {
|
847
|
|
PyArrayObject *ret;
|
848
|
|
PyArrayObject *new;
|
849
|
|
int retcode;
|
850
|
|
|
851
|
1
|
ret = _get_part(self, 1);
|
852
|
1
|
if (ret == NULL) {
|
853
|
|
return -1;
|
854
|
|
}
|
855
|
1
|
new = (PyArrayObject *)PyArray_FROM_O(val);
|
856
|
1
|
if (new == NULL) {
|
857
|
0
|
Py_DECREF(ret);
|
858
|
|
return -1;
|
859
|
|
}
|
860
|
1
|
retcode = PyArray_MoveInto(ret, new);
|
861
|
1
|
Py_DECREF(ret);
|
862
|
1
|
Py_DECREF(new);
|
863
|
|
return retcode;
|
864
|
|
}
|
865
|
|
else {
|
866
|
0
|
PyErr_SetString(PyExc_TypeError,
|
867
|
|
"array does not have imaginary part to set");
|
868
|
0
|
return -1;
|
869
|
|
}
|
870
|
|
}
|
871
|
|
|
872
|
|
static PyObject *
|
873
|
1
|
array_flat_get(PyArrayObject *self)
|
874
|
|
{
|
875
|
1
|
return PyArray_IterNew((PyObject *)self);
|
876
|
|
}
|
877
|
|
|
878
|
|
static int
|
879
|
1
|
array_flat_set(PyArrayObject *self, PyObject *val)
|
880
|
|
{
|
881
|
1
|
PyArrayObject *arr = NULL;
|
882
|
1
|
int retval = -1;
|
883
|
1
|
PyArrayIterObject *selfit = NULL, *arrit = NULL;
|
884
|
|
PyArray_Descr *typecode;
|
885
|
|
int swap;
|
886
|
|
PyArray_CopySwapFunc *copyswap;
|
887
|
|
|
888
|
1
|
if (val == NULL) {
|
889
|
1
|
PyErr_SetString(PyExc_AttributeError,
|
890
|
|
"Cannot delete array flat iterator");
|
891
|
1
|
return -1;
|
892
|
|
}
|
893
|
1
|
if (PyArray_FailUnlessWriteable(self, "array") < 0) return -1;
|
894
|
1
|
typecode = PyArray_DESCR(self);
|
895
|
1
|
Py_INCREF(typecode);
|
896
|
1
|
arr = (PyArrayObject *)PyArray_FromAny(val, typecode,
|
897
|
1
|
0, 0, NPY_ARRAY_FORCECAST | PyArray_FORTRAN_IF(self), NULL);
|
898
|
1
|
if (arr == NULL) {
|
899
|
|
return -1;
|
900
|
|
}
|
901
|
1
|
arrit = (PyArrayIterObject *)PyArray_IterNew((PyObject *)arr);
|
902
|
1
|
if (arrit == NULL) {
|
903
|
|
goto exit;
|
904
|
|
}
|
905
|
1
|
selfit = (PyArrayIterObject *)PyArray_IterNew((PyObject *)self);
|
906
|
1
|
if (selfit == NULL) {
|
907
|
|
goto exit;
|
908
|
|
}
|
909
|
1
|
if (arrit->size == 0) {
|
910
|
|
retval = 0;
|
911
|
|
goto exit;
|
912
|
|
}
|
913
|
1
|
swap = PyArray_ISNOTSWAPPED(self) != PyArray_ISNOTSWAPPED(arr);
|
914
|
1
|
copyswap = PyArray_DESCR(self)->f->copyswap;
|
915
|
1
|
if (PyDataType_REFCHK(PyArray_DESCR(self))) {
|
916
|
0
|
while (selfit->index < selfit->size) {
|
917
|
0
|
PyArray_Item_XDECREF(selfit->dataptr, PyArray_DESCR(self));
|
918
|
0
|
PyArray_Item_INCREF(arrit->dataptr, PyArray_DESCR(arr));
|
919
|
0
|
memmove(selfit->dataptr, arrit->dataptr, sizeof(PyObject **));
|
920
|
0
|
if (swap) {
|
921
|
0
|
copyswap(selfit->dataptr, NULL, swap, self);
|
922
|
|
}
|
923
|
0
|
PyArray_ITER_NEXT(selfit);
|
924
|
0
|
PyArray_ITER_NEXT(arrit);
|
925
|
0
|
if (arrit->index == arrit->size) {
|
926
|
0
|
PyArray_ITER_RESET(arrit);
|
927
|
|
}
|
928
|
|
}
|
929
|
|
retval = 0;
|
930
|
|
goto exit;
|
931
|
|
}
|
932
|
|
|
933
|
1
|
while(selfit->index < selfit->size) {
|
934
|
1
|
copyswap(selfit->dataptr, arrit->dataptr, swap, self);
|
935
|
1
|
PyArray_ITER_NEXT(selfit);
|
936
|
1
|
PyArray_ITER_NEXT(arrit);
|
937
|
1
|
if (arrit->index == arrit->size) {
|
938
|
1
|
PyArray_ITER_RESET(arrit);
|
939
|
|
}
|
940
|
|
}
|
941
|
|
retval = 0;
|
942
|
|
|
943
|
1
|
exit:
|
944
|
1
|
Py_XDECREF(selfit);
|
945
|
1
|
Py_XDECREF(arrit);
|
946
|
1
|
Py_XDECREF(arr);
|
947
|
|
return retval;
|
948
|
|
}
|
949
|
|
|
950
|
|
static PyObject *
|
951
|
1
|
array_transpose_get(PyArrayObject *self)
|
952
|
|
{
|
953
|
1
|
return PyArray_Transpose(self, NULL);
|
954
|
|
}
|
955
|
|
|
956
|
|
/* If this is None, no function call is made
|
957
|
|
--- default sub-class behavior
|
958
|
|
*/
|
959
|
|
static PyObject *
|
960
|
1
|
array_finalize_get(PyArrayObject *NPY_UNUSED(self))
|
961
|
|
{
|
962
|
1
|
Py_RETURN_NONE;
|
963
|
|
}
|
964
|
|
|
965
|
|
NPY_NO_EXPORT PyGetSetDef array_getsetlist[] = {
|
966
|
|
{"ndim",
|
967
|
|
(getter)array_ndim_get,
|
968
|
|
NULL,
|
969
|
|
NULL, NULL},
|
970
|
|
{"flags",
|
971
|
|
(getter)array_flags_get,
|
972
|
|
NULL,
|
973
|
|
NULL, NULL},
|
974
|
|
{"shape",
|
975
|
|
(getter)array_shape_get,
|
976
|
|
(setter)array_shape_set,
|
977
|
|
NULL, NULL},
|
978
|
|
{"strides",
|
979
|
|
(getter)array_strides_get,
|
980
|
|
(setter)array_strides_set,
|
981
|
|
NULL, NULL},
|
982
|
|
{"data",
|
983
|
|
(getter)array_data_get,
|
984
|
|
(setter)array_data_set,
|
985
|
|
NULL, NULL},
|
986
|
|
{"itemsize",
|
987
|
|
(getter)array_itemsize_get,
|
988
|
|
NULL,
|
989
|
|
NULL, NULL},
|
990
|
|
{"size",
|
991
|
|
(getter)array_size_get,
|
992
|
|
NULL,
|
993
|
|
NULL, NULL},
|
994
|
|
{"nbytes",
|
995
|
|
(getter)array_nbytes_get,
|
996
|
|
NULL,
|
997
|
|
NULL, NULL},
|
998
|
|
{"base",
|
999
|
|
(getter)array_base_get,
|
1000
|
|
NULL,
|
1001
|
|
NULL, NULL},
|
1002
|
|
{"dtype",
|
1003
|
|
(getter)array_descr_get,
|
1004
|
|
(setter)array_descr_set,
|
1005
|
|
NULL, NULL},
|
1006
|
|
{"real",
|
1007
|
|
(getter)array_real_get,
|
1008
|
|
(setter)array_real_set,
|
1009
|
|
NULL, NULL},
|
1010
|
|
{"imag",
|
1011
|
|
(getter)array_imag_get,
|
1012
|
|
(setter)array_imag_set,
|
1013
|
|
NULL, NULL},
|
1014
|
|
{"flat",
|
1015
|
|
(getter)array_flat_get,
|
1016
|
|
(setter)array_flat_set,
|
1017
|
|
NULL, NULL},
|
1018
|
|
{"ctypes",
|
1019
|
|
(getter)array_ctypes_get,
|
1020
|
|
NULL,
|
1021
|
|
NULL, NULL},
|
1022
|
|
{"T",
|
1023
|
|
(getter)array_transpose_get,
|
1024
|
|
NULL,
|
1025
|
|
NULL, NULL},
|
1026
|
|
{"__array_interface__",
|
1027
|
|
(getter)array_interface_get,
|
1028
|
|
NULL,
|
1029
|
|
NULL, NULL},
|
1030
|
|
{"__array_struct__",
|
1031
|
|
(getter)array_struct_get,
|
1032
|
|
NULL,
|
1033
|
|
NULL, NULL},
|
1034
|
|
{"__array_priority__",
|
1035
|
|
(getter)array_priority_get,
|
1036
|
|
NULL,
|
1037
|
|
NULL, NULL},
|
1038
|
|
{"__array_finalize__",
|
1039
|
|
(getter)array_finalize_get,
|
1040
|
|
NULL,
|
1041
|
|
NULL, NULL},
|
1042
|
|
{NULL, NULL, NULL, NULL, NULL}, /* Sentinel */
|
1043
|
|
};
|
1044
|
|
|
1045
|
|
/****************** end of attribute get and set routines *******************/
|