Como heredar de una clase
Publicado por MyMail (2 intervenciones) el 21/10/2013 18:56:38
Hi there
I have a Base Class with pure virtual function and 3 private variables like this
**I need to implement the derived class call Matriz
But I dont have the minimal idea how to do that
The main program has to be like this**
I have a Base Class with pure virtual function and 3 private variables like this
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class IMatriz {int **m;
int numRows;
int numColumns;
public:IMatriz()
{ numRows = 0; numColumns = 0; m = NULL; }IMatriz(int r, int c)
{ numRows = r; numColumns = c;m = new int* [numRows];
for(int i=0; i<numRows; i++)
m[i] = new int [numColumns];
}virtual void setSize(int r, int c) = 0;
virtual void setValue(int row, int col, int val) = 0;
virtual int getValue(int row, int col) = 0;
virtual int getNumRows() = 0;
virtual int getNumColumns() = 0;
virtual void mult(IMatriz a, IMatriz b) = 0;
virtual void print(void) = 0;
};**I need to implement the derived class call Matriz
But I dont have the minimal idea how to do that
The main program has to be like this**
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main()
{Matriz m;
Matriz a(3,2);
Matriz b(2,3);
a.setValue(0,0,7);
a.setValue(1,0,1);
a.setValue(2,0,8);
a.setValue(0,1,2);
a.setValue(1,1,5);
a.setValue(2,1,6);
b.setValue(0,0,2);
b.setValue(1,0,3);
b.setValue(0,1,5);
b.setValue(1,1,4);
b.setValue(0,2,8);
b.setValue(1,2,9);
m.mult(a,b);
m.print();
}Valora esta pregunta
0