matrix operation using array(c program)

/*write a program on matrix operation using array
 coded by KoDes4U.com*/




// list of include files
#include<stdio.h>
#include<conio.h>
#define SIZE 10


//Function definition for reading the matrix


void ReadMatrix(int mat[SIZE][SIZE],int *row,int *col)
{
 int i,j;
  for(i=0;i<*row;i++)
for(j=0;j<*col;j++)
 {
printf("\nEnter the element no:[%d][%]:",i,j);
  scanf("%d",&mat[i][j]);
 }
}
//Function definition for printing the matrix


void PrintMatrix(int mat[SIZE][SIZE],int row,int col)
{
 int i,j;
   for(i=0;i<row;i++)
{
for(j=0;j<col;j++)
  printf("  %d",mat[i][j]);
  printf("\n\a");
}
}


//Function definition for addition of matrix


int AddMatrix(int mat1[SIZE][SIZE],int mat2[SIZE][SIZE],int mat3[SIZE][SIZE],int row1,int row2,int col1,int col2,int *row3,int *col3)
{
  int i,j;
  if(row1==row2&&col1==col2)   //size should be same
   {
for(i=0;i<row1;i++)
for(j=0;j<col1;j++)
 mat3[i][j]=mat1[i][j]+mat2[i][j];
*row3=row1;
  *col3=col1;
return(1);
   }
else
 {
printf("\nAddition is no possible");
return(-1);
 }
}


//Function of multiplication


int MulMatrix(int mat1[SIZE][SIZE],int mat2[SIZE][SIZE],int mat3[SIZE][SIZE],int row1,int row2,int col1,int col2,int *row3,int *col3)
{
 int i,j,k;
  if(col1==row2)
{
  for(i=0;i<row1;i++)
for(j=0;j<col2;j++)
{
  mat3[i][j]=0;
  for(k=0;k<col1;k++)
mat3[i][j]=mat3[i][i]+mat1[i][k]*mat2[k][j];
}
*row3=row1;
*col3=col2;
return(1);
}
  else
{
 printf("\nMultiplication is not possible:");
 return(-1);
}
}


//Function definition for transpose of the matrix
void Transpose(int mat1[SIZE][SIZE],int row1,int col1,int mat3[SIZE][SIZE],int *row3,int *col3)
{
  int i,j;
   for(i=0;i<col1;i++)
{
 for(j=0;j<row1;j++)
  {
mat3[i][j]=mat1[j][i];
  }
}
*row3=col1;
*col3=row1;
}


//Main Function definition
 void main()
 {
  int mat1[SIZE][SIZE],mat2[SIZE][SIZE],mat3[SIZE][SIZE];
int row1,row2,row3,col1,col2,col3;
  int choice,val;
clrscr();
  printf("\nEnter the rows and columns of 1st matrix:");
scanf("%d %d",&row1,&col1);
printf("\nRead matrix 1");
ReadMatrix(mat1,&row1,&col1);
printf("\nPrint matrix 1");
  PrintMatrix(mat1,row1,col1);
 printf("\nEnter the rows and columns of 2nd matrix:");
   scanf("%d %d",&row2,&col2);
 printf("\nRead matrix 2:");
ReadMatrix(mat2,&row2,&col2);
printf("\nprint matrix 2:");
PrintMatrix(mat2,row2,col2);
do
 {
  printf("\n1)ADD\n2)Multiplication\n3)Transpose\n4)Exit");
  printf("\nEnter your choice:");
  scanf("%d",&choice);
switch(choice)
{
 case 1:val=AddMatrix(mat1,mat2,mat3,row1,row2,col1,col2,&row3,&col3);
if(val!=-1)
 {
printf("Addition matrix is:");
PrintMatrix(mat3,row3,col3);
 }
break;
 case 2:val=MulMatrix(mat1,mat2,mat3,row1,row2,col1,col2,&row3,&col3);
  if(val!=-1)
  {
printf("\nMultiplication of matrices is:");
PrintMatrix(mat3,row3,col3);
  }
break;
 case 3:Transpose(mat1,row1,col1,mat3,&row3,&col3);
printf("\ntranspose matrix is:");
 PrintMatrix(mat3,row3,col3);
 break;
 case 4:break;
}


 }
while(choice!=4);
 }