page_1042.html

Programming and Problem Solving with C++

</tr><tr><td></td>
  <td><font face="Times New Roman, Times, Serif" size="3">These functions can be thought of as <i>deep comparison</i> operations because the dynamic arrays on the free store are to be compared element by element. In other words, the function call</font></td>
<td></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td colspan="3" height="1"></td>
</tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="24" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></td>
  <td colspan="3" height="12"></td>
  <td rowspan="5"></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td></td>
  <td><font face="Courier New, Courier, Mono New, Courier, Mono" size="2">arr1.LessThan(arr2)</font></td>
<td></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td colspan="3" height="1"></td>
</tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="29" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></td>
  <td colspan="3" height="12"></td>
  <td rowspan="5"></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td></td>
  <td><font face="Times New Roman, Times, Serif" size="3">returns TRUE if </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">arr1</font><font face="Times New Roman, Times, Serif" size="3">'s array elements are pairwise less than </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">arr2</font><font face="Times New Roman, Times, Serif" size="3">'s elements.</font></td>
<td></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td colspan="3" height="1"></td>
</tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="29" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></td>
  <td colspan="3" height="12"></td>
  <td rowspan="5"></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td></td>
  <td><font face="Times New Roman, Times, Serif" size="3">Test your two new functions with suitable test drivers and comprehensive sets of test data.</font></td>
<td></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td colspan="3" height="1"></td>
</tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"></td>
  <td colspan="3" height="12"></td>
  <td rowspan="5"></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td></td>
  <td><font face="Times New Roman, Times, Serif" size="3">4. Referring to Programming Problem 3, the client code can simulate the other four relational operators (</font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">!=</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">&lt;=</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">&gt;</font><font face="Times New Roman, Times, Serif" size="3">, and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">&gt;=</font><font face="Times New Roman, Times, Serif" size="3">) using only the </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">Equal</font><font face="Times New Roman, Times, Serif" size="3"> and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">LessThan</font><font face="Times New Roman, Times, Serif" size="3"> functions. However, you could make the class easier to use by supplying additional member functions </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">NotEqual</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">LessOrEqual</font><font face="Times New Roman, Times, Serif" size="3">, </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">GreaterThan</font><font face="Times New Roman, Times, Serif" size="3">, and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">GreaterOrEqual</font><font face="Times New Roman, Times, Serif" size="3">. Add these functions to the </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">DynArray</font><font face="Times New Roman, Times, Serif" size="3"> class in addition to </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">Equal</font><font face="Times New Roman, Times, Serif" size="3"> and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">LessThan</font><font face="Times New Roman, Times, Serif" size="3">. (<i>Hint:</i> Instead of writing each of the algorithms from scratch, simply have the function bodies invoke the existing functions </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">Equal</font><font face="Times New Roman, Times, Serif" size="3"> and </font><font face="Courier New, Courier, Mono New, Courier, Mono" size="3">LessThan</font><font face="Times New Roman, Times, Serif" size="3">. And remember: Class members can refer to each other directly without using dot notation.)</font></td>
<td></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td colspan="3" height="1"></td>
</tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"><img src="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" border="0" width="29" height="1" alt="3e26ecb1b6ac508ae10a0e39d2fb98b2.gif" /></td>
  <td colspan="3" height="12"></td>
  <td rowspan="5"></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td></td>
  <td><font face="Times New Roman, Times, Serif" size="3">Test your new functions with suitable test drivers and comprehensive sets of test data.</font></td>
<td></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td colspan="3" height="1"></td>
</tr></table><table border="0" cellspacing="0" cellpadding="0"><tr><td rowspan="5"></td>
  <td colspan="3" height="12"></td>
  <td rowspan="5"></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td></td>
  <td><font face="Times New Roman, Times, Serif" size="3">5. The size of a built-in array is fixed statically (at compile time). The size of a dynamic array can be specified dynamically (at run time). In both cases, however,</font></td>
<td></td>
</tr><tr><td colspan="3"></td>
</tr><tr><td colspan="3" height="1"></td>
</tr></table>







</td>
</tr></table><p><font size="0"></font></p>
聽




  </td>
			</tr>
	
			<tr>
				<td align="left" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_1041.html">&lt;&nbsp;previous page</a></td>
				<td align="center" width="40%" style="background: #EEF3E2"><strong style="color: #2F4F4F; font-size: 120%;">page_1042</strong></td>
				<td align="right" width="30%" style="background: #EEF3E2"><a style="color: blue; font-size: 120%; font-weight: bold; text-decoration: none; font-family: verdana;" href="page_1043.html">next page&nbsp;&gt;</a></td>
			</tr>
		</table>
		</body>
	</html>