Example of switch case statement, C/C++ Programming

Assignment Help:

#include
#include
#include

void* memorycopy (void *des, const void *src, size_t count)
{

  size_t n = (count + 7) / 8;
  char* destination = (char *) des;
  char* source = (char *) src;

  switch (count % 8)
  {
      case 0:  do{  *destination++ = *source++;
      case 7:  *destination++ = *source++;
      case 6:  *destination++ = *source++;
      case 5:  *destination++ = *source++;
      case 4:  *destination++ = *source++;
      case 3:  *destination++ = *source++;
      case 2:  *destination++ = *source++;
      case 1:  *destination++ = *source++;

    } while (--n > 0);
  }

  return des;
}

void tworegistervarswap (int *x, int *y)
{
  if (x != y)
  {
    *x = *x ^ *y;
    *y = *x ^ *y;
    *x = *x ^ *y;
  }
}

int bigintegeraverage (int x, int y)
{
  return (x & y) + ((x ^ y) >> 1);
}

int main (void)
{
  char *testArray = "This is a test.";
  char buffer[50];
  int x = 10;
  int y = 20;
  int m = 2000000000;
  int n = 1000000000;
 
  printf ("\nmemorycopy test before: %s", testArray);
  memorycopy (buffer, testArray, strlen(testArray) + 1);
  printf ("\nmemorycopy test after: %s", buffer);
  printf ("\n");

  printf ("\ntworegistervarswap test before: %d %d", x, y);
  tworegistervarswap (&x, &y);
  printf ("\ntworegistervarswap test after: %d %d", x, y);
  printf ("\n");

  printf ("\nbigintegeraverage regular code test: %d ", (m + n) / 2);
  printf ("\nbigintegeraverage function test: %d", bigintegeraverage (m, n) );
  printf ("\n");

  return 0;
}


Related Discussions:- Example of switch case statement

Program, write a c++ program which finds minimum of three numbers

write a c++ program which finds minimum of three numbers

Charity Ball Organizer, Charity Ball Organizer Many charities support good...

Charity Ball Organizer Many charities support good causes, but one of the difficulties each of them has is organizing their fundraising events. After nearly a semester of C progra

Addition in a existing c++ unification algorithm, Addition in a existing c+...

Addition in a existing c++ unification algorithm Project Description: I have a existing code for a algorithm and need to add two modules into it, it is a unification algorith

UltimateCarRadio Project, In this assignment, you will be modifying your As...

In this assignment, you will be modifying your Assign-05 code to use more inheritance. As well, in this assignment, you will be asked to use newand delete, throw and catch except

Pebble merchant, there is a pebble merchant. he sells the pebbles,that are ...

there is a pebble merchant. he sells the pebbles,that are used for shining the floor.his main duty is to take the length of the room side but he sometines mistakes doing that and m

I need voting bot, Project Description: Seeking a Voting Bot Script / Pr...

Project Description: Seeking a Voting Bot Script / Program Skills required are ASP, Javascript, C Programming, PHP, Software Architecture

String, palindrome is a string that reads the same from both the ends. Give...

palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindromes

Determine the types of container class, Determine the types of Container cl...

Determine the types of Container class Container class can be of 2 types: - Heterogeneous container - Here container class comprise a group of mixed objects - Homogeneou

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd