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bit manipulation - Python How to get set bit - Stack Overflow

To get the bit number of the highest bit set, you could use. int.bit_length()-1 This is much more efficient then using math.log() or the other function you had posted. EDIT: As requested, timeit results are posted: python -m timeit -s 'import math;x=100' 'int(math.log(x,2))' 1000000 loops, best of 3: 0.5 usec per loop

https://wiki.python.org/moin/BitManipulation

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BitManipulation - Python Wiki

The number of the highest bit set is the highest power of 2 less than or equal to the input integer. This is the same as the exponent of the floating point representation of the integer, and is also called its "integer log base 2".(ref.1) In versions before 3.1, the easiest way to determine the highest bit set is*:

https://github.com/TheAlgorithms/Python/blob/master/bit_manipulat...

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Python/bit_manipulation/highest_set_bit.py at master - GitHub

Contribute to TheAlgorithms/Python development by creating an account on GitHub. Skip to content. Navigation Menu Toggle navigation. Sign in Product GitHub Copilot. Write better code with AI GitHub Advanced Security. Find and fix vulnerabilities Actions. Automate any workflow Codespaces ...

https://www.sourcetrail.com/python/python-get-bits-from-byte/

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Solved: get bits from byte in Python - SourceTrail

3. Use bitwise AND: Finally, we apply the bitwise AND operator (&) between the shifted byte and the mask.This operation will extract only the desired bits, leaving the rest unchanged. Python’s Bitwise Operators and Libraries. Python’s bitwise operators play a significant role in extracting bits from bytes. These operators perform operations at the bit level, allowing us to manipulate ...

https://realpython.com/python-bitwise-operators/

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Bitwise Operators in Python

In this tutorial, you'll learn how to use Python's bitwise operators to manipulate individual bits of data at the most granular level. With the help of hands-on examples, you'll see how you can apply bitmasks and overload bitwise operators to control binary data in your code.

https://www.daniweb.com/programming/software-development/code/406...

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python - Lowest/highest bit set in integer. | DaniWeb

These two functions compute the orders of the lowest bit and the highest bit set in the binary representation of an integer. I expect them to. Menu Menu DaniWeb. Log In Sign Up . Read ; Contribute ; Meet ; Search Search. ... Notice that in python 3, integers have a method bit_length() which computes the number of bits. The high_bit ...

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how to get the thighest bit position in big integers?

Hi, I'm using python to develop some proof-of-concept code for a cryptographic application. My code makes extended use of python's native bignum capabilities. In many cryptographic applications there is the need for a function 'get_highest_bit_num' that returns the position number of the highest set bit of a given integer.

https://btechgeeks.com/python-program-to-get-nth-bit-of-a-number/

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Python Program to Get nth Bit of a Number - BTech Geeks

Python Program to Find the Total Number of Bits Needed to be Flipped; Python Program to Check whether kth Bit is Set or not; Example2: Input: Given Number = 14 Bit position(in range 0-31)= 3. Output: The bit present at the given position{ 3 } for a given number is 1 Program to Get nth Bit of a Number in Python

https://stackoverflow.com/questions/32834963/most-significant-byt...

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python - Most Significant Byte Calculation - Stack Overflow

Is the goal to get the top aligned byte, or the highest eight bits set? Makes a big difference. – ShadowRanger. Commented Sep 29, 2015 at 3:05. ... return index of least significant bit in Python. 1. Get the x Least Significant Bits from a String in Python. 0. Arbitrary length integer to byte array conversion ...

https://www.geeksforgeeks.org/sys-maxint-in-python/

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sys.maxint in Python - GeeksforGeeks

In Python 2, sys.maxint refers to the maximum value an integer can hold on a given platform. This value is: 2³¹ - 1 = 2147483647 on a 32-bit system; 2⁶³ - 1 = 9223372036854775807 on a 64-bit system; sys.maxint was typically used as a very large number in algorithms requiring an upper bound, like finding minimum values in a list.. Note: sys.maxint has been removed in Python 3.

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