Section 2.13 Check Point Questions6 questions 

Can different types of numeric values be used together in a computation?

What does an explicit casting from a double to an int do with the fractional part of the double value? Does casting change the variable being cast?

Show the output of the following code:

double f = 12.5;
int i = f;
cout << "f is " << f << endl;
cout << "i is " << i << endl;

If you change static_cast<int>(tax * 100) / 100.0 to static_cast<int>(tax * 100) / 100 in line 12 in Listing 2.10, what will be the output for the input purchase amount of 197.556?

Show the output of the following code:

double amount = 5;
cout << amount / 2 << endl;
cout << 5 / 2 << endl;

Write an expression that rounds down a double value in variable d to an integer. Write an expression that rounds a double value in variable d to an integer.