python get highest bit - PrivacyWall

https://stackoverflow.com/questions/32039478/python-how-to-get-se...

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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://www.geeksforgeeks.org/all-about-bit-manipulation/

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All about Bit Manipulation - GeeksforGeeks

Get Bit: This method is used to find the bit at a particular position(say i) of the given number N. ... Python bitwise operators are used to perform bitwise calculations on integers. ... the task is to print the binary representation of the number. Note: The given number will be maximum of 32 bits, so append 0's to the left if the result string ...

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

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Python/bit_manipulation/highest_set_bit.py at master - GitHub

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

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

Lowest/highest bit set in integer. 13 Years Ago Updated 10 Years Ago Gribouillis 1 Tallied Votes 2K Views Share These two functions compute the orders of the lowest bit and the highest bit set in the binary representation of an integer.

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://stackoverflow.com/questions/9298865/get-n-th-bit-of-an-in...

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python - Get n-th bit of an integer - Stack Overflow

Shift the bit to the last position, mask out everthing else: bit = (a >> n) & 1 This assumes that the bits are indexed in the usual way, i.e. the least significant bit is bit 0. Edit: I'm not sure if this is the fastest way to do it in your version of Python, but

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

Given a number and the bit position, the task is to get the bit that is present at that position (in the binary representation of a number). Bitwise & Operator: If both bits are 1, sets each bit to 1. Examples: Example1: Input: Given Number = 2 Bit position(in range 0-31)= 0. Output: The bit present at the given position{ 0 } for a given number ...

https://post.bytes.com/forum/topic/python/749881-how-to-get-the-t...

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how to get the thighest bit position in big integers? - Post.Byes

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://www.geeksforgeeks.org/position-of-rightmost-set-bit/

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Position of rightmost set bit - GeeksforGeeks

Given an integer n, the task is to return the position of the first set bit from right to left in the binary representation n. If n is equal to 0 (no set bits present), then return 0. Note: Position of rightmost bit is 1. Examples: Input: n = 18 Output: 2 Explanation: Binary Representation of 18 is 10010, hence position of first set bit from right is 2. ...

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