Computer Systems: A Programmer's Perspective (3rd Edition)
Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
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Chapter 2, Problem 2.79HW

Explanation of Solution

Function definition for "mul3div4()" function:

The implementation for "mul3div4()" function is given below:

//Header file

#include <stdio.h>

#include <assert.h>

#include <limits.h>

//Function definition for divide by power of "2"

int divide_power2(int x, int k)

{

//Determine negation value

int isNegation = x & INT_MIN;

//Check condition

(isNegation && (x = x + (1 << k) - 1));

//Returns value by using "x >> k" that is "x/(2^k)"

return x >> k;

}

//Function definition for mul3div4 function

int mul3div4(int x)

{

//Compute multiply "3"

int m3 = (x << 1) + x;

/* Returns the value of "3 * x/4" by calling function "divide_power2" */

return divide_power2(m3, 2);

}

//Main function

int main(int argc, char* argv[])

{

//Assign the value for "x"

int xValue = 0x87651234;

/* Call function "mul3div4" with checking "x * 3 / 4" value using assert function */

assert(mul3div4(xValue) == xValue * 3 / 4);

return 0;

}

The given code is used to compute the value of "3*x4"

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Chapter 2 Solutions

Computer Systems: A Programmer's Perspective (3rd Edition)

Chapter 2.1, Problem 2.11PP Chapter 2.1, Problem 2.12PP Chapter 2.1, Problem 2.13PP Chapter 2.1, Problem 2.14PP Chapter 2.1, Problem 2.15PP Chapter 2.1, Problem 2.16PP Chapter 2.2, Problem 2.17PP Chapter 2.2, Problem 2.18PP Chapter 2.2, Problem 2.19PP Chapter 2.2, Problem 2.20PP Chapter 2.2, Problem 2.21PP Chapter 2.2, Problem 2.22PP Chapter 2.2, Problem 2.23PP Chapter 2.2, Problem 2.24PP Chapter 2.2, Problem 2.25PP Chapter 2.2, Problem 2.26PP Chapter 2.3, Problem 2.27PP Chapter 2.3, Problem 2.28PP Chapter 2.3, Problem 2.29PP Chapter 2.3, Problem 2.30PP Chapter 2.3, Problem 2.31PP Chapter 2.3, Problem 2.32PP Chapter 2.3, Problem 2.33PP Chapter 2.3, Problem 2.34PP Chapter 2.3, Problem 2.35PP Chapter 2.3, Problem 2.36PP Chapter 2.3, Problem 2.37PP Chapter 2.3, Problem 2.38PP Chapter 2.3, Problem 2.39PP Chapter 2.3, Problem 2.40PP Chapter 2.3, Problem 2.41PP Chapter 2.3, Problem 2.42PP Chapter 2.3, Problem 2.43PP Chapter 2.3, Problem 2.44PP Chapter 2.4, Problem 2.45PP Chapter 2.4, Problem 2.46PP Chapter 2.4, Problem 2.47PP Chapter 2.4, Problem 2.48PP Chapter 2.4, Problem 2.49PP Chapter 2.4, Problem 2.50PP Chapter 2.4, Problem 2.51PP Chapter 2.4, Problem 2.52PP Chapter 2.4, Problem 2.53PP Chapter 2.4, Problem 2.54PP Chapter 2, Problem 2.55HW Chapter 2, Problem 2.56HW Chapter 2, Problem 2.57HW Chapter 2, Problem 2.58HW Chapter 2, Problem 2.59HW Chapter 2, Problem 2.60HW Chapter 2, Problem 2.61HW Chapter 2, Problem 2.62HW Chapter 2, Problem 2.63HW Chapter 2, Problem 2.64HW Chapter 2, Problem 2.65HW Chapter 2, Problem 2.66HW Chapter 2, Problem 2.67HW Chapter 2, Problem 2.68HW Chapter 2, Problem 2.69HW Chapter 2, Problem 2.70HW Chapter 2, Problem 2.71HW Chapter 2, Problem 2.72HW Chapter 2, Problem 2.73HW Chapter 2, Problem 2.74HW Chapter 2, Problem 2.75HW Chapter 2, Problem 2.76HW Chapter 2, Problem 2.77HW Chapter 2, Problem 2.78HW Chapter 2, Problem 2.79HW Chapter 2, Problem 2.80HW Chapter 2, Problem 2.81HW Chapter 2, Problem 2.82HW Chapter 2, Problem 2.83HW Chapter 2, Problem 2.84HW Chapter 2, Problem 2.85HW Chapter 2, Problem 2.86HW Chapter 2, Problem 2.87HW Chapter 2, Problem 2.88HW Chapter 2, Problem 2.89HW Chapter 2, Problem 2.90HW Chapter 2, Problem 2.91HW Chapter 2, Problem 2.92HW Chapter 2, Problem 2.93HW Chapter 2, Problem 2.94HW Chapter 2, Problem 2.95HW Chapter 2, Problem 2.96HW Chapter 2, Problem 2.97HW
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