Absolute C++ (4th Edition) part 32 pptx

... function. friend class 08_CH08.fm Page 323 Wednesday, August 13, 2003 1:02 PM Friend Functions and Automatic Type Conversion 321 Display 8.3 Overloading Operators as Friends (part 1 of 2) 1 #include <iostream> 2 ... August 13, 2003 1:02 PM Friend Functions and Automatic Type Conversion 323 Pitfall C OMPILERS WITHOUT F RIENDS On some C++ compilers friend functions simply do n...

Ngày tải lên: 04/07/2014, 05:21

... might be called as follows: showResults (32. 5, 0.3); If the above statement were executed in a program, it would cause the following to appear on the screen: 32. 5 degrees Fahrenheit is equivalent ... is for the function declaration and the main part of the program to appear in one or more files, with the function declaration before the main part of the program, and for the function de...

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... used by C++ for plugging in an argument for a formal parameter when a function is invoked. There are two basic kinds of parameters and therefore two basic plugging-in mecha- nisms in C++. The ... next few subsections describe the call-by-reference mechanism in more detail and also explain the particular functions used in Display 4.2. ■ CALL-BY-REFERENCE MECHANISM IN DETAIL In most situatio...

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... P IZZA The large “economy” size of an item is not always a better buy than the smaller size. This is partic- ularly true when buying pizzas. Pizza sizes are given as the diameter of the pizza in inches. ... parameters 04_CH04.fm Page 145 Wednesday, August 13, 2003 12:49 PM Parameters 149 Display 4.5 Buying Pizza (part 1 of 2) 1 //Determines which of two pizza sizes is the best buy. 2 #incl...

Ngày tải lên: 04/07/2014, 05:21

... do something like this. However, C++ overloading allows for a more elegant solution. In C++ you can simply use the same function name ave for both functions. In C++ you can use the following function ... << mpg(45, 2) << " miles per gallon"; When C++ sees the function call mpg(45, 2), which has two arguments of type int, C++ first looks for a function defin...

Ngày tải lên: 04/07/2014, 05:21

... 189 production figures for each department, such as the teaspoon department, soup spoon depart- ment, plain cocktail spoon department, colored cocktail spoon department, and so forth. More- over, ... PM Arrays in Functions 191 Display 5.4 Production Graph Program (part 3 of 4) 50 cout << "Enter number of units produced by each department.\n" 51 << "Append a negati...

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... Constructors 273 Display 7.2 Bank Account Class (part 5 of 5) 161 return static_cast<int>(amount); 162 } 163 //Uses cmath: 164 int BankAccount::centsPart(double amount) 165 { 166 double doubleCents ... of the const modifier is an all-or-nothing proposition. If you use const for one parameter of a particular type, then you should use it for every other parameter that has that type an...

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... try to make the stack exceed any stack size limit. ■ RECURSION VERSUS ITERATION Recursion is not absolutely necessary. In fact, some programming languages do not allow it. Any task that can be ... the screen backward. That is, if the argument is 1234, it outputs the following to the screen: 4321 564 Recursion Self-Test Exercises resumes the suspended computation. The resumed computation .....

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... to test the modified class PFArray. 2. (Based on a problem in Stroustrup, The C++ Programming Language, 3 rd edition) Write a program consisting of functions calling one another to a calling ... things besides simply giving a warning message, but the details of what you do will depend on your particular programming task. The definition of bad_alloc is in the library with header file <...

Ngày tải lên: 04/07/2014, 05:21

Ngày tải lên: 04/07/2014, 05:21