[overloading] Forum Topics

Hi All, in below class i wanted to have two friend function(overloading) one with default argument and other is without default argument. but during compilation it gives error. could you let me know how to fix (overload) this by not changing the function name , argument type or number of …

I am not sure why my program isn't writing to the text file. When I start the program it tells me that the file opens. Then I call the functions that are inherited from other classes and I would assume that it would write to the file and then display …

This assignment asks to add some code from to a previous assignment I had. I have been confused about this overload operators alot and im confused on how to do it in my code any help with this will be good A) overload the >> operator to allow for reading …

Dear Kind DaniWebbers, I am trying to overload the fstream operators (ofstream/ifstream), so that I can save a class to a 'Binary' file and also display it with cout. But the ways in which each need to be implemented is different. Please can you show me how to define different …

Hello, I have a particular set up of cast operators and constructors which is leading to a compile-time ambiguity error. I am wondering if somebody can explain why this is happening and what can be done to fix it. For example, here we have 2 classes: class A { int …

I have been told it is good to overload the stream extraction operator to load data from a file. Would I simple use this in my class: friend ifstream &operator>>( ifstream &input, Class &C ) { input >> C.variable1 >> C.variable2 >> C.variable3; return input; } What are the advantages …

Hi all, A question asks me to write overloading functions to square,circle ,rectangle and triangle.... But since the square and circle have only one parameter I had to change the parameter of area of circle to double...... Is this the only way to accomplish this..... Are there any other ways …

---------------------------------------------TSet.h------------------------------------------------------ #include <iostream> using namespace std; template <class V> class TSet { public: TSet(); TSet(int size); ~TSet(); void add(V new_item); void remove(V item_to_remove); int num_of_items(); bool isFull(); bool is_item_in_set(V item); friend bool operator==(const TSet<V>& left, const TSet<V>& right); friend bool operator!=(const TSet<V>& left, const TSet<V>& right); friend ostream& operator<<(ostream& outs,const …

Please Help me with this Date Operation Program. I think that this works....yet! Thanks #include <iostream.h> #include <conio.h> int a[7]={1,3,5,7,8,10,12}; int b[7]={4,6,9,11}; class manipdate { int date; int month; int year; public: int d,m,y; void getdata() { cout<<"\n\n Date : "; cin>>date; cout<<"\n Month : "; cin>>month; cout<<"\n Year : …

Hi -i've started using netbeans and compiling in it recently and I'm not sure what the problem is here. Not sure if it isn't reading the Element.cpp/.h files while building/running the main.cpp In my main: Element a, b(5); cout<<(5+b)<< endl; Then in the .h: Element operator+(const Element&obj); And in the …

Hi everyone, At the moment I'm trying to create a class that contains a DOMNode* pointer, something like this class MyDOMNode { public: MyDOMNode (DOMNode* node) : mDomNode (node) { } bool operator== (const MyDOMNode& rhs) { if (mDomNode == rhs.mDomNode) return true; return false; } bool operator!= (const MyDOMNode& …

Hi again and thanks in advance !Any help would be very appreciated cause i'm having a test tomorrow and i need some help! So i wanna have a class called Bag and a subclass Set.In bag we have 2 constructors, an insert function , getsize function , getsum (which adds …

Hello. I need to create a program to manipulate polynomials. It contains basic evaluation, addition, subtraction and multiplication of polynomials. Right now, I'm working on overloading the '+' operator to add two polynomials. While the function adds the two polynomials together correctly, when it goes to output through the overloaded …

Hello friends...I'm having confusion about binary operator overloading in the following program. The question goes like this. Qn. Create a class time with two member variables as hours and minutes of integer type,write default,parameterized and copy constructor. Overload necessary operators to compute T3=5+T1+T2, where T1,T2 and T3 are time objects. …

I can't figure out what this error is saying. Error: C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp||In function 'bool operator==(const statistic&, const statistic&)':| C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp|225|error: passing 'const statistic' as 'this' argument of 'float statistic::sum()' discards qualifiers| C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp|225|error: passing 'const statistic' as 'this' argument of 'float statistic::sum()' discards qualifiers| C:\Users\Kyle\School\CS 372\Statistician\Statistician.cpp|226|error: passing 'const statistic' as …

im trying to overload the operator+= and use that to implement operator+ in my string class. i keep getting a segmentation fault when i try to evaluate something like s1 += s2 where MyString s1("");and MyString s2("hello"); any suggestions as to why this is happening? this is my operator+= function …

[CODE]#include <iostream> using namespace std; class bike { public: bike () { cout << "Bike: no parameters\n"; } bike (int a) { cout << "Bike: int parameter\n"; } void color(int a,int b) { cout<<"Inside Bike Color"<<endl; } }; class ducati : public bike { public: ducati (int a) { cout …

hello my dear friends I have read a book that was simple to learn c++,recently But in operator ovorloading threads ,I dont underestand many example for ovoreloading in another books & booklets for example : in the example below 1 // Fig. 11.3: PhoneNumber.h 2 // PhoneNumber class definition 3 …

so i have this program written and i am getting a seg fault and the stack said in operator<<. I have no idea how to fix this...It is due in thirty minutes if someone can please help me asap. Here is where i think the problem lies: [CODE]#include <iostream> #include …

So I'm trying to write a program that is due tomorrow. I am trying to overload operators and dealing with template classes. I have everything written already but keep getting this error whenever i try to compile the driver file: NOTE: proj4.cpp has #include "box.h" and box.h compiles fine, but …

I am doing this assignment for my C++ class, and we have to instantiate 4 objects of the Student class, set the data members and then sort them according to the GPA variable. Ive whittled down the errors to just one, and I am stumped. Here is the error: error …

Hi, I need to finish a assignment on operator overloading but this one piece of code doesnt seem to make sense.. in my int main() i have int main() { Element a, b(5), c(7), d; cout << (5+b) << endl; this is just part of it, I have already implemented …

Hey guys! I hope what I'm about to do is not frowned upon :) I just would like some input/critics/heads up on my class definition and implementation I did for my project. I am by no means a trained programmer and I doubt my coding style is very good so …

I'm reading a big csv file into a data structure defined as such: [CODE]struct PriceInfo { double Open; double High; double Low; double Close; unsigned int Volume; unsigned int Time; std::string Date; };[/CODE] So somewhere in my main function, I have this line: // read contents of datafile by overloading …

Hi, I am working on an exercise in operator overloading. I've created a matrix class and I am supposed to overload operators so I can do arithmetic on matrices efficiently. My directions say that I am supposed to make two matrix arrays using the class constructor that has 2 parameters …

Is it possible to create operator overloads for non-objects (like typedef-ed arrays)?

Is it possible to overload an operator for a built-in type? And if so what is it's syntax? EG: [CODE]//Use of overloaded operator^ for types double and double (assuming it is overloaded for exponent): double a=10.0; double b=2.5; double pow=a^b;//pow is approximately 316.22....[/CODE]

Hello everyone, I am having some problems with my code and allowing it to do what I want. I need within main to have the account balance from my class to be allowed to change value through "transactions" adding negative numbers for a withdraw and positive numbers to put in …

This is an answer to a question in C++ area. [url]http://www.daniweb.com/software-development/cpp/threads/355232[/url] It should be ready to be modified to code in C++, C#, or Java, because VB.Net is fully OOP. Even though it can be used for vectors, you may still want to modify it to a Vector Class.

I am working on making a 'safetype' abstract class, which will have a complete set of pure virtual operator overloads to help make sure that a class inherited from it is safe to pass to virtual any function. The problem is that I don't know the syntax of a pure …