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/find-significant-set-bit-number/

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Find most significant set bit of a number - GeeksforGeeks

Given a number, find the greatest number less than the given a number which is the power of two or find the most significant bit number . Examples: Input: 10 Output: 8 Explanation: Greatest number which is a Power of 2 less than 10 is 8 Binary representation of 10 is 1010 The most significant bit corresponds to decimal number 8. Input: 18 ...

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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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.

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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. ...

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 (Most significant byte first) ...

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Clearing the most significant bit from an integer - code golf

The output isn with its most significant bit set to 0. Test Cases 1 -> 0 2 -> 0 10 -> 2 16 -> 0 100 -> 36 267 -> 11 350 -> 94 500 -> 244 For example: 350 in binary is 101011110. Setting its most significant bit (i.e. the leftmost 1 bit) to 0 turns it into 001011110 which is equivalent to the decimal integer 94, the output.

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 ...

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