//This program rounds a number to the nearest hundreths
//File name Round.cpp
#include <iostream>
using namespace std;
int main()
{
//first code section does conversion line by line and outputs to show what is happening
    float myBill;
    int myBillasInt;
    myBill = 45.76891;          //test value with too many decimal places
    cout << "Rounding an amount to nearest dollars and cents in multiple steps\n";
    cout << myBill << endl;
    myBill = myBill + 0.005;    //cause rounding to cents
    cout << myBill << endl;
    myBill = 100*myBill;        //this statement keeps only the dollars and cents part of the number
    cout << myBill << endl;
    myBillasInt = myBill;       //type cast to int, losing the unwanted decimal places
    cout << myBillasInt << endl;
    myBill = (float)myBillasInt/100.0;  //restore bill to its normal value
    cout << myBill << endl;
//second code section does conversion in one statement using type casting and coercion
    cout << "\nRounding an amount to the nearest dollars and cents in one statement\n";
    myBill = 45.76891;
    cout << "The original computed bill is " << myBill << endl;
    myBill = int((myBill + 0.005)*100)/100.0;     //this statement does everything!
    cout << "My rounded bill is " << myBill << endl;
    return 0;
}