1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
#include <torch/csrc/Dtype.h>
#include <cstring>
#include <structmember.h>
#include <torch/csrc/Exceptions.h>
#include <torch/csrc/utils/object_ptr.h>
#include <torch/csrc/utils/python_strings.h>
#include <torch/csrc/utils/tensor_dtypes.h>
#include <torch/csrc/utils/tensor_types.h>
#include <torch/csrc/Exceptions.h>
PyObject * THPDtype_New(at::ScalarType scalar_type, const std::string& name)
{
AT_ASSERT(name.length() < DTYPE_NAME_LEN);
auto type = (PyTypeObject*)&THPDtypeType;
auto self = THPObjectPtr{type->tp_alloc(type, 0)};
if (!self) throw python_error();
auto self_ = reinterpret_cast<THPDtype*>(self.get());
self_->scalar_type = scalar_type;
std::strncpy(self_->name, name.c_str(), DTYPE_NAME_LEN);
return self.release();
}
PyObject *THPDtype_is_floating_point(THPDtype *self, PyObject *noargs)
{
if (at::isFloatingType(self->scalar_type)) {
Py_RETURN_TRUE;
} else {
Py_RETURN_FALSE;
}
}
PyObject *THPDtype_is_complex(THPDtype *self, PyObject *noargs)
{
if (at::isComplexType(self->scalar_type)) {
Py_RETURN_TRUE;
} else {
Py_RETURN_FALSE;
}
}
PyObject *THPDtype_is_signed(THPDtype *self, PyObject *noargs)
{
HANDLE_TH_ERRORS
if (at::isSignedType(self->scalar_type)) {
Py_RETURN_TRUE;
} else {
Py_RETURN_FALSE;
}
END_HANDLE_TH_ERRORS
}
PyObject *THPDtype_reduce(THPDtype *self, PyObject *noargs)
{
/*
* For singletons, a string is returned. The string should be interpreted
* as the name of a global variable.
*/
return THPUtils_packString(self->name);
}
typedef PyObject *(*getter)(PyObject *, void *);
static struct PyGetSetDef THPDtype_properties[] = {
{"is_floating_point", (getter)THPDtype_is_floating_point, nullptr, nullptr, nullptr},
{"is_complex", (getter)THPDtype_is_complex, nullptr, nullptr, nullptr},
{"is_signed", (getter)THPDtype_is_signed, nullptr, nullptr, nullptr},
{nullptr}
};
static PyMethodDef THPDtype_methods[] = {
{"__reduce__", (PyCFunction)THPDtype_reduce, METH_NOARGS, nullptr},
{nullptr} /* Sentinel */
};
PyObject *THPDtype_repr(THPDtype *self)
{
std::string name = self->name;
return THPUtils_packString("torch." + name);
}
PyTypeObject THPDtypeType = {
PyVarObject_HEAD_INIT(nullptr, 0)
"torch.dtype", /* tp_name */
sizeof(THPDtype), /* tp_basicsize */
0, /* tp_itemsize */
nullptr, /* tp_dealloc */
0, /* tp_vectorcall_offset */
nullptr, /* tp_getattr */
nullptr, /* tp_setattr */
nullptr, /* tp_reserved */
(reprfunc)THPDtype_repr, /* tp_repr */
nullptr, /* tp_as_number */
nullptr, /* tp_as_sequence */
nullptr, /* tp_as_mapping */
nullptr, /* tp_hash */
nullptr, /* tp_call */
nullptr, /* tp_str */
nullptr, /* tp_getattro */
nullptr, /* tp_setattro */
nullptr, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
nullptr, /* tp_doc */
nullptr, /* tp_traverse */
nullptr, /* tp_clear */
nullptr, /* tp_richcompare */
0, /* tp_weaklistoffset */
nullptr, /* tp_iter */
nullptr, /* tp_iternext */
THPDtype_methods, /* tp_methods */
nullptr, /* tp_members */
THPDtype_properties, /* tp_getset */
nullptr, /* tp_base */
nullptr, /* tp_dict */
nullptr, /* tp_descr_get */
nullptr, /* tp_descr_set */
0, /* tp_dictoffset */
nullptr, /* tp_init */
nullptr, /* tp_alloc */
nullptr, /* tp_new */
};
void THPDtype_init(PyObject *module)
{
if (PyType_Ready(&THPDtypeType) < 0) {
throw python_error();
}
Py_INCREF(&THPDtypeType);
if (PyModule_AddObject(module, "dtype", (PyObject *)&THPDtypeType) != 0) {
throw python_error();
}
}
|
