For this function, you must return the largest power of 2 that // is less than or equal to x (which will be positive). You may // not use multiplication or some sort of power function to do this, // and should instead rely on bitwise operations and the underlying // binary representation of x. If x is 0, then you should return 0. unsigned largest_po2_le(unsigned x) { return x; }
For this function, you must return the largest power of 2 that // is less than or equal to x (which will be positive). You may // not use multiplication or some sort of power function to do this, // and should instead rely on bitwise operations and the underlying // binary representation of x. If x is 0, then you should return 0. unsigned largest_po2_le(unsigned x) { return x; }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
// Task 3
// For this function, you must return the largest power of 2 that
// is less than or equal to x (which will be positive). You may
// not use multiplication or some sort of power function to do this,
// and should instead rely on bitwise operations and the underlying
// binary representation of x. If x is 0, then you should return 0.
unsigned largest_po2_le(unsigned x) {
return x;
}
Expert Solution
Introduction :
Note : Answering in C++ as no programming language is required.
Input :
- Input x
Output :
- Number whose power of 2 is <=x.
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