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Programming and Problem Solving with C++

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  <td><font face="Times New Roman, Times, Serif" size="3">totalTime (integer)</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">Outgoing</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">velocity (floating point)</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">outOfFuel (Boolean)</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">3. Write a void function that reads in a specified number of </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">float</font><font face="Times New Roman, Times, Serif" size="3"> values and returns their average. A call to this function might look like</font></td>
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  <td><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">GetMeanOf(5,聽mean);</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">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 /* </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">in</font><font face="Times New Roman, Times, Serif" size="3"> */, /* </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">out</font><font face="Times New Roman, Times, Serif" size="3"> */, or /* </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">inout</font><font face="Times New Roman, Times, Serif" size="3"> */.</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">4. Given the function heading</font></td>
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  <td><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">void聽Halve(聽/*聽inout聽*/聽int&amp;聽firstNumber,<br />
聽聽聽聽聽聽聽聽聽聽聽聽/*聽inout聽*/聽int&amp;聽secondNumber聽)</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">write the body of the function so that when it returns, the original values in </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">firstNumber</font><font face="Times New Roman, Times, Serif" size="3"> and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">secondNumber</font><font face="Times New Roman, Times, Serif" size="3"> are halved.</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">5. Add comments to the preceding </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">Halve</font><font face="Times New Roman, Times, Serif" size="3"> function that state the function precondition and postcondition.</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">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 /* </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">in</font><font face="Times New Roman, Times, Serif" size="3"> */, /* </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">out</font><font face="Times New Roman, Times, Serif" size="3"> */, or /* </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">inout</font><font face="Times New Roman, Times, Serif" size="3"> */. Include comments giving the function precondition and postcondition.</font></td>
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  <td><font face="Times New Roman, Times, Serif" size="3">b. Show the function calls with actual parameters.</font></td>
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聽




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