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
|
# Test struct pack/unpack with 'e' typecode.
try:
import struct
except ImportError:
print("SKIP")
raise SystemExit
test_values = (
1e-7,
2e-7,
1e-6,
1e-5,
1e-4,
1e-3,
1e-2,
0.1,
0,
1,
2,
4,
8,
10,
100,
1e3,
1e4,
6e4,
float("inf"),
)
for j in test_values:
for i in (j, -j):
x = struct.pack("<e", i)
v = struct.unpack("<e", x)[0]
print("%.7f %s %.15f %s" % (i, x, v, i == v))
# In CPython, packing a float that doesn't fit into a half-float raises OverflowError.
# But in MicroPython it does not, but rather stores the value as inf.
# This test is here for coverage.
try:
struct.pack("e", 1e15)
except OverflowError:
pass
|
