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Improve Quine–McCluskey algorithm (#4935)

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* Syntax improvements (I hope) to boolean algebra

* Reverted certain index variables to i

* remove extra line on decimal_to_binary

* Update quine_mc_cluskey.py

Co-authored-by: John Law <johnlaw.po@gmail.com>
This commit is contained in:
RenatoLopes771 2021-12-16 06:28:31 -03:00 committed by GitHub
parent 6680e435a7
commit 9af2eef9b3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 21 additions and 23 deletions
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44
boolean_algebra/quine_mc_cluskey.py
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@ -1,5 +1,7 @@
from __future__ import annotations
from typing import Sequence
def compare_string(string1: str, string2: str) -> str:
"""
@ -9,17 +11,17 @@ def compare_string(string1: str, string2: str) -> str:
>>> compare_string('0110','1101')
'X'
"""
l1 = list(string1)
l2 = list(string2)
list1 = list(string1)
list2 = list(string2)
count = 0
for i in range(len(l1)):
if l1[i] != l2[i]:
for i in range(len(list1)):
if list1[i] != list2[i]:
count += 1
l1[i] = "_"
list1[i] = "_"
if count > 1:
return "X"
else:
return "".join(l1)
return "".join(list1)
def check(binary: list[str]) -> list[str]:
@ -28,7 +30,7 @@ def check(binary: list[str]) -> list[str]:
['0.00.01.5']
"""
pi = []
while 1:
while True:
check1 = ["$"] * len(binary)
temp = []
for i in range(len(binary)):
@ -46,19 +48,18 @@ def check(binary: list[str]) -> list[str]:
binary = list(set(temp))
def decimal_to_binary(no_of_variable: int, minterms: list[float]) -> list[str]:
def decimal_to_binary(no_of_variable: int, minterms: Sequence[float]) -> list[str]:
"""
>>> decimal_to_binary(3,[1.5])
['0.00.01.5']
"""
temp = []
s = ""
for m in minterms:
for minterm in minterms:
string = ""
for i in range(no_of_variable):
s = str(m % 2) + s
m //= 2
temp.append(s)
s = ""
string = str(minterm % 2) + string
minterm //= 2
temp.append(string)
return temp
@ -70,16 +71,13 @@ def is_for_table(string1: str, string2: str, count: int) -> bool:
>>> is_for_table('01_','001',1)
False
"""
l1 = list(string1)
l2 = list(string2)
list1 = list(string1)
list2 = list(string2)
count_n = 0
for i in range(len(l1)):
if l1[i] != l2[i]:
for i in range(len(list1)):
if list1[i] != list2[i]:
count_n += 1
if count_n == count:
return True
else:
return False
return count_n == count
def selection(chart: list[list[int]], prime_implicants: list[str]) -> list[str]:
@ -108,7 +106,7 @@ def selection(chart: list[list[int]], prime_implicants: list[str]) -> list[str]:
for k in range(len(chart)):
chart[k][j] = 0
temp.append(prime_implicants[i])
while 1:
while True:
max_n = 0
rem = -1
count_n = 0