#include #include using namespace std; // declare functions void display_menu(); void convert_temp(); double to_celsius(double fahrenheit); double to_fahrenheit(double celsius); int main() { cout << "Convert Temperatures\n\n"; display_menu(); char again = 'y'; while (again == 'y') { convert_temp(); cout << "Convert another temperature? (y/n): "; cin >> again; cout << endl; } cout << "Bye!\n"; } // define functions void display_menu() { cout << "MENU\n" << "1. Fahrenheit to Celsius\n" << "2. Celsius to Fahrenheit\n\n"; } void convert_temp() { int option; cout << "Enter a menu option: "; cin >> option; double f = 0.0; double c = 0.0; switch (option) { case 1: cout << "Enter degrees Fahrenheit: "; cin >> f; c = to_celsius(f); c = round(c * 10) / 10; // round to one decimal place cout << "Degrees Celsius: " << c << endl; break; case 2: cout << "Enter degrees Celsius: "; cin >> c; f = to_fahrenheit(c); f = round(f * 10) / 10; // round to one decimal place cout << "Degrees Fahrenheit: " << f << endl; break; default: cout << "You must enter a valid menu number.\n"; break; } } double to_celsius(double fahrenheit) { double celsius = (fahrenheit - 32.0) * 5.0 / 9.0; return celsius; } double to_fahrenheit(double celsius) { double fahrenheit = celsius * 9.0 / 5.0 + 32.0; return fahrenheit; } Now, modify it to do the following: Modify the while loop to utilize tolower() or toupper(). Add default values to the to_celsius() and to_fahrenheit() functions. Use the temperature when water freezes! Add two more functions to handle another type of conversion (kilograms to pounds) and use function overloading. Overload the functions with double and int data types. Example (requiring four new functions): Kilograms to Pounds (using double) Pounds to Kilograms (using double) Kilograms to Pounds (using int) Pounds to Kilograms (using int) Add the factorial function that works by using recursion.

#include #include using namespace std; // declare functions void display_menu(); void convert_temp(); double to_celsius(double fahrenheit); double to_fahrenheit(double celsius); int main() { cout << "Convert Temperatures\n\n"; display_menu(); char again = 'y'; while (again == 'y') { convert_temp(); cout << "Convert another temperature? (y/n): "; cin >> again; cout << endl; } cout << "Bye!\n"; } // define functions void display_menu() { cout << "MENU\n" << "1. Fahrenheit to Celsius\n" << "2. Celsius to Fahrenheit\n\n"; } void convert_temp() { int option; cout << "Enter a menu option: "; cin >> option; double f = 0.0; double c = 0.0; switch (option) { case 1: cout << "Enter degrees Fahrenheit: "; cin >> f; c = to_celsius(f); c = round(c * 10) / 10; // round to one decimal place cout << "Degrees Celsius: " << c << endl; break; case 2: cout << "Enter degrees Celsius: "; cin >> c; f = to_fahrenheit(c); f = round(f * 10) / 10; // round to one decimal place cout << "Degrees Fahrenheit: " << f << endl; break; default: cout << "You must enter a valid menu number.\n"; break; } } double to_celsius(double fahrenheit) { double celsius = (fahrenheit - 32.0) * 5.0 / 9.0; return celsius; } double to_fahrenheit(double celsius) { double fahrenheit = celsius * 9.0 / 5.0 + 32.0; return fahrenheit; } Now, modify it to do the following: Modify the while loop to utilize tolower() or toupper(). Add default values to the to_celsius() and to_fahrenheit() functions. Use the temperature when water freezes! Add two more functions to handle another type of conversion (kilograms to pounds) and use function overloading. Overload the functions with double and int data types. Example (requiring four new functions): Kilograms to Pounds (using double) Pounds to Kilograms (using double) Kilograms to Pounds (using int) Pounds to Kilograms (using int) Add the factorial function that works by using recursion.

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

#include <iostream>

#include <cmath>

using namespace std;

// declare functions

void display_menu();

void convert_temp();

double to_celsius(double fahrenheit);

double to_fahrenheit(double celsius);

int main() {

cout << "Convert Temperatures\n\n";

display_menu();

char again = 'y';

while (again == 'y')

{

convert_temp();

cout << "Convert another temperature? (y/n): ";

cin >> again;

cout << endl;

}

cout << "Bye!\n";

}

// define functions

void display_menu()

{

cout << "MENU\n"

<< "1. Fahrenheit to Celsius\n"

<< "2. Celsius to Fahrenheit\n\n";

}

void convert_temp()

{

int option;

cout << "Enter a menu option: ";

cin >> option;

double f = 0.0;

double c = 0.0;

switch (option)

{

case 1:

cout << "Enter degrees Fahrenheit: ";

cin >> f;

c = to_celsius(f);

c = round(c * 10) / 10; // round to one decimal place

cout << "Degrees Celsius: " << c << endl;

break;

case 2:

cout << "Enter degrees Celsius: ";

cin >> c;

f = to_fahrenheit(c);

f = round(f * 10) / 10; // round to one decimal place

cout << "Degrees Fahrenheit: " << f << endl;

break;

default:

cout << "You must enter a valid menu number.\n";

break;

}

double to_celsius(double fahrenheit)

{

double celsius = (fahrenheit - 32.0) * 5.0 / 9.0;

return celsius;

}

double to_fahrenheit(double celsius)

{

double fahrenheit = celsius * 9.0 / 5.0 + 32.0;

return fahrenheit;

}

Now, modify it to do the following:
- Modify the while loop to utilize tolower() or toupper().

- Add default values to the to_celsius() and to_fahrenheit() functions.
  - Use the temperature when water freezes!
- Add two more functions to handle another type of conversion (kilograms to pounds) and use function overloading.
  - Overload the functions with double and int data types.
  - Example (requiring four new functions):
    - Kilograms to Pounds (using double)
    - Pounds to Kilograms (using double)
    - Kilograms to Pounds (using int)
    - Pounds to Kilograms (using int)

- Add the factorial function that works by using recursion.

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