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KANTAPONG SONG-NGAM
numer-60-2
Commits
2853fa16
Commit
2853fa16
authored
Feb 01, 2018
by
KANTAPONG SONG-NGAM
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assience.py
week03/assience.py
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week03/assience.py
View file @
2853fa16
def
value
(
v
,
pos
=
4
,
neg
=
3
):
def
value
(
v
,
pos
,
neg
):
"""รับ v มาเพื่อหาค่าเป็นเลขฐานสิบ binary -> digital.
โดยค่ากำหนดเริ่มต้น
pos เป็น 4 หลัก
neg เป็น 3 หลัก
sign bit เป็นหลักแรกเสมอ
"""
sign
=
-
1
if
v
[
0
]
==
1
else
1
return
sign
*
sum
([
v
[
i
]
*
2
**
(
4
-
i
)
for
i
in
range
(
1
,
8
)])
# ทดสอบ
sign
=
-
1
if
int
(
v
[
0
])
==
1
else
1
v
=
[
0
,
0
,
0
,
0
,
1
1
,
0
,
0
]
return
sign
*
sum
([
int
(
v
[
i
])
*
2
**
(
pos
-
i
)
for
i
in
range
(
1
,
pos
+
neg
+
1
)])
print
(
v
)
print
(
value
(
v
))
v
=
[
1
,
0
,
1
,
0
,
1
0
,
1
,
1
]
print
(
value
(
'0001011'
,
3
,
3
))
print
(
v
)
print
(
value
(
v
))
\ No newline at end of file
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