//Program using Template Function
#include<iostream>
#include<iomanip>
//void add(M, M);
int const size=3;
using namespace std;
//addition function
template <class M, class S>
void add(M a[][size],S b[][size])
{
S c[size][size];
for(int i=0;i<size;i++)
for(int j=0;j<size;j++)
{
c[i][j]=a[i][j]+b[i][j];
}
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cout<<" "<<c[i][j];
}
cout<<endl;
}
}
//substraction
template <class M,class S>
void sub(M a[][size],S b[][size])
{
S c[size][size];
for(int i=0;i<size;i++)
for(int j=0;j<size;j++)
{
c[i][j]=a[i][j]-b[i][j];
}
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cout<<" "<<c[i][j];
}
cout<<endl;
}
}
//multiplication
template <class M,class S>
void mul(M a[][size],S b[][size])
{
S c[size][size];
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
for(int k=0;k<size;k++)
c[i][j]=a[i][k]*b[k][j];
}
}
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cout<<" "<<c[i][j];
}
cout<<endl;
}
}
//transpose
template <class M>
void trans(M a[][size])
{
M c[size][size];
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
c[i][j]=a[j][i];
}
}
cout<<endl<<endl<<"Transpose of matrix :"<<endl;
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cout<<c[i][j]<<"\t";
}
cout<<endl;
}
}
int main()
{
int x[size][size],y[size][size];
float g[size][size],h[size][size];
int ch;
//Read matrices
cout<<endl<<"Enter values for Int matrix X:";
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cin>>x[i][j];
}
cout<<endl;
}
cout<<endl<<"Enter values for float matrix g:";
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cin>>g[i][j];
}
cout<<endl;
}
//Display matrices as entered by user
cout<<endl<<endl<<"Int matrix X:"<<endl;
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cout<<x[i][j]<<"\t";
}
cout<<endl;
}
cout<<endl<<endl<<"Float matrix G:"<<endl;
for(int i=0;i<size;i++)
{
for(int j=0;j<size;j++)
{
cout<<g[i][j]<<"\t";
}
cout<<endl;
}
do
{
cout<<endl<<"************* Operations **************** \n1.addition of matrix \n2.Substraction of Matrix \n3.Multiplication \n4.Transpose "<<endl<<endl<<"\t Enter Choice";;
cin>>ch;
switch(ch)
{
case 1 : cout<<endl<<"Result of Addition of matrix X and G : "<<endl;
add(x,g);
break;
case 2 : cout<<endl<<"Result of Substraction of matrix X and G : "<<endl;
sub(x,g);
break;
case 3 : cout<<endl<<"Result of Multiplication of matrix X and G : "<<endl;
mul(x,g);
break;
case 4 : trans(x);
trans(g);
break;
default : cout<<endl<<"Enter valid option"<<endl<<endl;
break;
}
}while(ch<6);
return 0;
}
********************************* *****************************************
//Program using class Template
#include<iostream.h>
#include<conio.h>
template <class t> class mat //defining class mat
{
int i,j;
t m[10][10];
public:
void getdata(int,int);
void putdata(int,int);
void sub(mat&,mat&,int,int);
void add(mat&,mat&,int,int);
void mul(mat&,mat&,int,int,int);
void trans(mat&,int,int);
};
//defining getdata function
template <class t> void mat <t> :: getdata(int r,int c)
{
//accepting data from user
int i=0,j=0;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
cout<<"Enter value a["<<i<<'] ["<<j<<"]";
cin>>m[i][j];
}
}
}
//defining add function
template <class t> void mat <t> :: add(mat<t> &a1,mat<t>&a2,int r,int c)
{
int i=0,j=0;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
//adding two values
M[i][j]=a1.m[i][j]+a2.m[i][j];
}
}
}
//defining subtract function
template <class t> void mat <t> :: sub(mat<t> &a1,mat<t>&a2,int r,int c)
{
int i=0,j=0;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
//adding two values
M[i][j]=a1.m[i][j]-a2.m[i][j];
}
}
}
//defining multiplication function
template <class t> void mat <t> :: mult(mat<t> &a1,mat<t>&a2,int r,int c)
{
int i=0,j=0,k=0;//declaring local variables
//initializing matrix all values to zero
for(i=0;i<r;i++)
for(j=0;j<c;j++)
m[i][j]=0
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
for(k=0;k<r;k++)
M[i][j]=m[i][j]+(a1.m[i][k]*a2.m[k][j]);
}
}
}
//defining transpose function
template <class t> void mat <t> :: trans(mat<t> &a1,mat<t>&a2,int r,int c)
{
int i=0,j=0;
for(i=0;i<r;i++)
{
for(j=0;j<c;j++)
{
//adding two values
M[i][j]=a1.m[j][i];
}
}
}
//defining putdata function
template <class t> void mat <t> :: putdata(mat<t> &a1,mat<t>&a2,int r,int c)
{
int i=0,j=0;
for(i=0;i<r;i++)
{
cout<<"\n";
for(j=0;j<c;j++)
{
cout<<"\t";
cout<<m[i][j];
}
}
}
int main()
{
int ch,m,n,x,y //declaring local variables
mat<double> p,q,s;
cout<<"Enter rows & columns of 1st matrix";
cin>>m>>n; //accepting rows and columns for 1st matrix;
cout<<"\n Enter 1st matrix\n";
p.getdata(m,n); //calling getdata function
cout<<"Enter rows and columns of 2nd matrix";
cin>>x>>y //accepting rows and columns of second matrix;
cout<<"\n Enter 2nd matrix\n";
q.getdata(x,y); //calling getdata function
do
{
//displaying menu
cout<<"\nMenu"
<<"\n1.addition"
<<"\n2.substraction"
<<"\n3.Multiplication"
<<"\n4.Transpose"
<<"\n Exit"
<<"\n Enter Your Choice: ;
cin>>ch; //accepting choice from user
switch(ch)
{
case 1:
if(m==x && n==y) //if rows and cols are same
{
cout<<"addition is";
s.add(p,q,m,n);
s.putdata(m,n);
}
else
{
cout<<"addition is not possible";
}
break;
case 2:
if(m==x && n==y) ) //if rows and cols are same
{
cout<<"sunstraction is";
s.sub(p,q,m,n);
s.putdata(m,n);
}
else
{
cout<<"substrction is not possible";
}
break;
case 3:
if (n==x) //if cols of first matrix is equal to rows of second matrix
{
cout<<"Multiplication is";
s.mult(p,q,m,n);
s.putdata(m,n);
}
else
{
cout<<"multiplication is not possible";
}
break;
case 4:
cout<<"Transpose is:\n";
s.trans(p,m,n);
s.putdata(m,n);
break;
case 5:
cout<<"\n Exiting..\n";
}\\end of switch
}while(ch!=5);//end of while
return 0;
}end of main
