// CSE 9A Fall 1996 UCSD
// Assignment 3
// This program converts mile to kilometers
// and kilometers to miles. It will repeat
// these claculations until the user quits the program.

#include <iostream.h>

const double MPK = 0.62137; //miles per kilometer

void new_line();
//Discards all the input remaining on the current input line.

char from_miles_or_kilometers();
//Returns 'M' if the user wants to convert from miles to kilometers.
//Returns 'K' if the user wants to convert from kilometers to miles.
//Gets the answer by asking the user.
//Keeps asking the user until it gets an appropriate answer.


void miles2kilometers(int precision_number);
//Carries on a dialogue with the user that
//converts an amount of miles to an equivalent
//amount of kilometers. The results are
//displayed with precision_number digits
//after the decimal point.

void kilometers2miles(int precision_number);
//Carries on a dialogue with the user that
//converts an amount of kilometers to an equivalent
//amount of miles. The results are
//displayed with precision_number digits
//after the decimal point.

int main()
{

    cout << "This program will let you convert from\n"
         << "miles to kilometers or\n"
         << "from kilometers to miles.\n"
         << endl
         << "You will be allowed to choose how many digits after\n"
         << "the decimal point that there will be in the answer.\n"
         << endl;

    int number_of_digits;
    char ans;

    do
    {
         YOU FILL IN THE CODE THAT GOES HERE.

        cout << "Do another calculation? (yes/no): ";
        cin >> ans;
        new_line(); //Discards the "es" in "yes" and the "o" in "no"
    } while ((ans == 'y') || (ans == 'Y'));
    
    return 0;
}



//You do not need to understand the following
//function definition. You just have to use it.
void new_line()
{
    char symbol;
    do
    {
        cin.get(symbol);
    } while (symbol != '\n');
}

YOU PUT THE REST OF THE FUNCTION DEFINITIONS HERE.
THE FUNCTION from_miles_or_kilometers()
MUST USE A LOCAL VARAIABLE NAMED ans THAT IS 
OF TYPE int.