Skip to content

GitLab

Switch branch/tag
Find file Normal viewHistoryPermalink
test_chained_assign.py 2.84 KB
Newer Older
dugupeiwen's avatar
init 0.58  
dugupeiwen committed
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
134
135
136
137
138
139
140
141
142
143
144
145 
from numba import jit
import unittest
import numpy as np
import copy
from numba.tests.support import MemoryLeakMixin


@jit
def inc(a):
    for i in range(len(a)):
        a[i] += 1
    return a

@jit
def inc1(a):
    a[0] += 1
    return a[0]

@jit
def inc2(a):
    a[0] += 1
    return a[0], a[0] + 1


def chain1(a):
    x = y = z = inc(a)
    return x + y + z


def chain2(v):
    a = np.zeros(2)
    a[0] = x = a[1] = v
    return a[0] + a[1] + (x / 2)


def unpack1(x, y):
    a, b = x, y
    return a + b / 2


def unpack2(x, y):
    a, b = c, d = inc1(x), inc1(y)
    return a + c / 2, b + d / 2


def chain3(x, y):
    a = (b, c) = (inc1(x), inc1(y))
    (d, e) = f = (inc1(x), inc1(y))
    return (a[0] + b / 2 + d + f[0]), (a[1] + c + e / 2 + f[1])


def unpack3(x):
    a, b = inc2(x)
    return a + b / 2


def unpack4(x):
    a, b = c, d = inc2(x)
    return a + c / 2, b + d / 2


def unpack5(x):
    a = b, c = inc2(x)
    d, e = f = inc2(x)
    return (a[0] + b / 2 + d + f[0]), (a[1] + c + e / 2 + f[1])


def unpack6(x, y):
    (a, b), (c, d) = (x, y), (y + 1, x + 1)
    return a + c / 2, b / 2 + d


class TestChainedAssign(MemoryLeakMixin, unittest.TestCase):
    def test_chain1(self):
        args = [
            [np.arange(2)],
            [np.arange(4, dtype=np.double)],
        ]
        self._test_template(chain1, args)

    def test_chain2(self):
        args = [
            [3],
            [3.0],
        ]
        self._test_template(chain2, args)

    def test_unpack1(self):
        args = [
            [1, 3.0],
            [1.0, 3],
        ]
        self._test_template(unpack1, args)

    def test_unpack2(self):
        args = [
            [np.array([2]), np.array([4.0])],
            [np.array([2.0]), np.array([4])],
        ]
        self._test_template(unpack2, args)

    def test_chain3(self):
        args = [
            [np.array([0]), np.array([1.5])],
            [np.array([0.5]), np.array([1])],
        ]
        self._test_template(chain3, args)

    def test_unpack3(self):
        args = [
            [np.array([1])],
            [np.array([1.0])],
        ]
        self._test_template(unpack3, args)

    def test_unpack4(self):
        args = [
            [np.array([1])],
            [np.array([1.0])],
        ]
        self._test_template(unpack4, args)

    def test_unpack5(self):
        args = [
            [np.array([2])],
            [np.array([2.0])],
        ]
        self._test_template(unpack5, args)

    def test_unpack6(self):
        args1 = 3.0, 2
        args2 = 3.0, 2.0
        self._test_template(unpack6, [args1, args2])

    def _test_template(self, pyfunc, argcases):
        cfunc = jit(pyfunc)
        for args in argcases:
            a1 = copy.deepcopy(args)
            a2 = copy.deepcopy(args)
            np.testing.assert_allclose(pyfunc(*a1), cfunc(*a2))


if __name__ == '__main__':
    unittest.main()