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
|
# Owner(s): ["module: inductor"]
from sympy import Symbol
import torch
from torch._inductor.test_case import run_tests, TestCase
from torch._inductor.utils import sympy_subs
class TestUtils(TestCase):
def test_zip_schema(self):
def foo(x: torch.Tensor) -> None:
pass
result = torch.library.custom_op("mylib::foo", foo, mutates_args={"x"})
schema = result._opoverload._schema
g = torch.tensor([11, 2])
found = False
for arg, val in torch._library.utils.zip_schema(schema, [], {"x": g}):
if arg.name == "x":
found = True
self.assertTrue(found)
found = False
for arg, val in torch._library.utils.zip_schema(schema, [g], {}):
if arg.name == "x":
found = True
self.assertTrue(found)
def testSympySubs(self):
# integer and nonnegetaive attributes are preserved.
expr = Symbol("x")
result = sympy_subs(expr, {expr: "y"})
self.assertEqual(result.name, "y")
self.assertEqual(result.is_integer, None)
self.assertEqual(result.is_nonnegative, None)
expr = Symbol("x", integer=True, nonnegative=False)
result = sympy_subs(expr, {expr: "y"})
self.assertEqual(result.name, "y")
self.assertEqual(result.is_integer, True)
self.assertEqual(result.is_nonnegative, False)
# invalid replacement.
expr = Symbol("x", integer=True)
result = sympy_subs(expr, {Symbol("x"): Symbol("y")})
self.assertEqual(result.name, "x")
# valid replacement since properties match.
expr = Symbol("x", integer=True)
result = sympy_subs(expr, {Symbol("x", integer=True): Symbol("y")})
self.assertEqual(result.name, "y")
# invalid replacement.
expr = Symbol("x", integer=None)
result = sympy_subs(expr, {Symbol("x", integer=False): Symbol("y")})
self.assertEqual(result.name, "x")
# replaced cant be string
self.assertRaises(AssertionError, sympy_subs, expr, {"x": "y"})
# replaced can be an expression
expr = Symbol("x")
expr = abs(expr)
self.assertEqual(expr.is_integer, None)
self.assertEqual(expr.is_nonnegative, None)
# replace abs(x) with y
# propagte abs(x) sympy properties.
result = sympy_subs(expr, {expr: Symbol("y")})
self.assertEqual(result.name, "y")
self.assertEqual(result.is_integer, None)
self.assertEqual(result.is_nonnegative, None)
if __name__ == "__main__":
run_tests()
|
