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void DoThis( int& value1,
int& value2 )
{
int value3;
_____ cin >> value3 valuel;
_____ value2 = valuel + 10;
} |
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14. If the program in Exercise 13 were run with the data values 10 and 15, what would be the values of the following variables just before execution of the return statement in the main function? |
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number1 _____ number2 _____ value3 _____ |
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Programming Warm-Up Exercises |
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1. Write the function heading for a void function named PrintMax that accepts a pair of integers and prints out the greater of the two. Document the data flow of each parameter with /* in */, /* out */, or /* inout */. |
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2. Write the heading for a void function that corresponds to the following list. |
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| | | | | | | | | | |
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velocity (floating point) |
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3. Write a void function that reads in a specified number of float values and returns their average. A call to this function might look like |
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GetMeanOf(5, mean); |
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where the first parameter specifies the number of values to be read, and the second parameter contains the result. Document the data flow of each parameter with /* in */, /* out */, or /* inout */. |
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4. Given the function heading |
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void Halve( /* inout */ int& firstNumber,
/* inout */ int& secondNumber ) |
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write the body of the function so that when it returns, the original values in firstNumber and secondNumber are halved. |
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5. Add comments to the preceding Halve function that state the function precondition and postcondition. |
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6. a. Write a single void function to replace the repeated pattern of statements you identified in Case Study Follow-Up Exercise 3 of Chapter 3. Document the data flow of the formal parameters with /* in */, /* out */, or /* inout */. Include comments giving the function precondition and postcondition. |
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b. Show the function calls with actual parameters. |
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