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Fix Ruff formatting

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Blank lines with spaces, trailing spaces at end of line, etc.
This commit is contained in:
Bill Breitmayer 2024-05-28 20:14:29 -04:00
parent bb46e1af8b
commit b501f227f5
1 changed files with 127 additions and 133 deletions
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240
bit_manipulation/multibit_manipulation.py
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@ -67,170 +67,164 @@ bit_length = int.bit_length
and for bit_length(value) > bit_len, which can cause silent errors. and for bit_length(value) > bit_len, which can cause silent errors.
Anything like int(None) is going to cause a loud error. """ Anything like int(None) is going to cause a loud error. """
def bit_get(bint: int, index: int): def bit_get(bint: int, index: int):
"""Get value of bit at index in bint. """Get value of bit at index in bint.
>>> bit_get(15, 0) >>> bit_get(15, 0)
1 1
>>> bit_get(15, 4) >>> bit_get(15, 4)
0 0
>>> bit_get(0, 4) >>> bit_get(0, 4)
0 0
>>> bit_get(-1, 2) is None >>> bit_get(-1, 2) is None
True True
>>> bit_get(0, -1) is None >>> bit_get(0, -1) is None
True True
""" """
return multibit_get(bint, index, 1)
return multibit_get(bint, index, 1)
def bit_set(bint: int, index: int, value: int = 1): def bit_set(bint: int, index: int, value: int = 1):
"""Set bit at index to value 1 or 0, like set() or unset(). """Set bit at index to value 1 or 0, like set() or unset().
>>> bit_set(15, 0, 0) >>> bit_set(15, 0, 0)
14 14
>>> bit_set(15, 4, 1) >>> bit_set(15, 4, 1)
31 31
>>> bit_set(31, 6, 0) >>> bit_set(31, 6, 0)
31 31
>>> bit_set(31, 6, 3) is None >>> bit_set(31, 6, 3) is None
True True
""" """
if value not in [0, 1]: if value not in [0, 1]:
return None # error return None # error
return multibit_set(bint, index, 1, value)
return multibit_set(bint, index, 1, value)
def bit_insert(bint: int, index: int, value: int = 1): def bit_insert(bint: int, index: int, value: int = 1):
"""Insert bit value before index. """Insert bit value before index.
>>> bit_insert(15, 0, 0) >>> bit_insert(15, 0, 0)
30 30
>>> bit_insert(15, 0, 1) >>> bit_insert(15, 0, 1)
31 31
>>> bit_insert(15, 4, 1) >>> bit_insert(15, 4, 1)
31 31
>>> bit_insert(31, 6, 0) >>> bit_insert(31, 6, 0)
31 31
""" """
if value not in [0, 1]: if value not in [0, 1]:
return None # error return None # error
return multibit_insert(bint, index, 1, value)
return multibit_insert(bint, index, 1, value)
def bit_remove(bint: int, index: int) -> int: def bit_remove(bint: int, index: int) -> int:
"""Remove the bit at index from bint. """Remove the bit at index from bint.
>>> bit_remove(15, 0) >>> bit_remove(15, 0)
7 7
>>> bit_remove(15, 1) >>> bit_remove(15, 1)
7 7
>>> bit_remove(31, 4) >>> bit_remove(31, 4)
15 15
>>> bit_remove(31, 6) >>> bit_remove(31, 6)
31 31
""" """
return multibit_remove(bint, index, 1)
return multibit_remove(bint, index, 1)
def multibit_get(bint: int, index: int, bit_len: int) -> int: def multibit_get(bint: int, index: int, bit_len: int) -> int:
"""Get bit_len number of bits starting from index. """Get bit_len number of bits starting from index.
819 = 1100110011. 819 = 1100110011.
>>> multibit_get(0, 1, 1) >>> multibit_get(0, 1, 1)
0 0
>>> multibit_get(15, 0, 3) >>> multibit_get(15, 0, 3)
7 7
>>> multibit_get(819, 2, 4) >>> multibit_get(819, 2, 4)
12 12
>>> multibit_get(819, 4, 6) >>> multibit_get(819, 4, 6)
51 51
""" """
if bint < 0 or index < 0 or bit_len < 0: if bint < 0 or index < 0 or bit_len < 0:
return None # error return None # error
return (bint >> index) & ((1 << bit_len) - 1)
return (bint >> index) & ((1 << bit_len) - 1)
def multibit_set(bint: int, index: int, bit_len: int, value: int) -> int: def multibit_set(bint: int, index: int, bit_len: int, value: int) -> int:
"""Overlay bint at index with value for bit_len bits. """Overlay bint at index with value for bit_len bits.
>>> multibit_set(0, 1, 1, 0) >>> multibit_set(0, 1, 1, 0)
0 0
>>> multibit_set(15, 0, 2, 0) >>> multibit_set(15, 0, 2, 0)
12 12
>>> multibit_set(22, 0, 1, 1) >>> multibit_set(22, 0, 1, 1)
23 23
>>> multibit_set(22, 2, 1, 0) >>> multibit_set(22, 2, 1, 0)
18 18
>>> multibit_set(22, 2, 1, 3) is None >>> multibit_set(22, 2, 1, 3) is None
True True
""" """
if bint < 0 or index < 0 or bit_len < 0 or value < 0: if bint < 0 or index < 0 or bit_len < 0 or value < 0:
return None # error return None # error
if bit_length(value) > bit_len: if bit_length(value) > bit_len:
return None return None
return ((((bint >> (index + bit_len)) << bit_len) | value) << index) | ( return ((((bint >> (index + bit_len)) << bit_len) | value) << index) | (
bint & (1 << index) - 1 bint & (1 << index) - 1
) )
def multibit_insert(bint: int, index: int, bit_len: int, value: int) -> int: def multibit_insert(bint: int, index: int, bit_len: int, value: int) -> int:
"""Insert before index-th slot """Insert before index-th slot
>>> multibit_insert(0, 1, 1, 1) >>> multibit_insert(0, 1, 1, 1)
2 2
>>> multibit_insert(15, 1, 2, 0) >>> multibit_insert(15, 1, 2, 0)
57 57
>>> multibit_insert(22, 0, 1, 1) >>> multibit_insert(22, 0, 1, 1)
45 45
>>> multibit_insert(22, 2, 1, 0) >>> multibit_insert(22, 2, 1, 0)
42 42
>>> multibit_insert(22, 2, 1, 3) is None >>> multibit_insert(22, 2, 1, 3) is None
True True
""" """
if bint < 0 or index < 0 or bit_len < 0 or value < 0: if bint < 0 or index < 0 or bit_len < 0 or value < 0:
return None # error return None # error
if bit_length(value) > bit_len: if bit_length(value) > bit_len:
return None return None
return ((((bint >> index) << bit_len) | value) << index) | bint & ((1 << index) - 1) return ((((bint >> index) << bit_len) | value) << index) | bint & ((1 << index) - 1)
def multibit_remove(bint: int, index: int, bit_len: int) -> int: def multibit_remove(bint: int, index: int, bit_len: int) -> int:
"""Remove bits in bint from index to index+bit_len. """Remove bits in bint from index to index+bit_len.
>>> multibit_remove(3, 1, 1) >>> multibit_remove(3, 1, 1)
1 1
>>> multibit_remove(15, 1, 2) >>> multibit_remove(15, 1, 2)
3 3
>>> multibit_remove(22, 0, 1) >>> multibit_remove(22, 0, 1)
11 11
>>> multibit_remove(22, 2, 2) >>> multibit_remove(22, 2, 2)
6 6
>>> multibit_remove(22, 2, 6) >>> multibit_remove(22, 2, 6)
2 2
""" """
if bint < 0 or index < 0: if bint < 0 or index < 0:
return None # error return None # error
return ((bint >> index + bit_len) << index) | bint & ((1 << index) - 1) return ((bint >> index + bit_len) << index) | bint & ((1 << index) - 1)
if __name__ == "__main__": if __name__ == "__main__":
import doctest import doctest
doctest.testmod() doctest.testmod()