Testing symmetry of a matrix in C programming

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/* Symmetry of matrix  */

#include<stdio.h>
#define r 10
#define c 10
int i, j;
float value;
float mat[r][c];
void display(int, int);
void display_o( float transp[r][c],int, int);
void input( float transp[r][c],int, int);
void transpose( float transp[r][c],int, int);
int Symmetry_Matrix(float transp[r][c], int , int );

/* Transpose function */

void transpose( float transp[r][c], int row, int col)
{
    for(i = 0; i < row; i++)
    {
        for(j = 0; j < col; j++)
        {
            mat[i][j] = transp[j][i] ;
        }
    }
}

/* Output function */

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

/* Output function */

void display_o(float transp[r][c], int row, int col)
{
    for(i = 0; i < row; i++)
    {
        for(j = 0; j < col; j++)
        {
            printf("  %f", transp[i][j]);
        }
        printf("\n");
    }
}

/* Input function */

void input( float transp[r][c], int row, int col)
{
    for(i = 0 ; i< row; i++)
    {
        for(j = 0 ;  j<col; j++)
        {
            printf("Input Value for : %d: %d: ", i+1,j+1);
            scanf(" %f", &value);
            transp[i][j] = value;
        }
    }
}

/* Test  for Symmetry */

int  Symmetry_Matrix(float transp[r][c], int row, int col)
{
    int status = 0;
    for(i = 0; i < row; i++)
    {
        for(j = 0; j<col; j++)
            if(mat[i][j] != transp[i][j])
                status = 1;
    }
    return(status);
}

/* main function */

void main()
{
    int status;
    int row, col;
    float transp[10][10];
    printf("\n Input number of rows:");
    scanf("%d", &row);
    printf("\n Input number of cols:");
    scanf("%d", &col);
    input(transp, row, col);
    printf("\n Entered Matrix is as follows:\n");
    display_o(transp, row, col);
    transpose(transp, col, row);
    printf(" \n Transpose of above matrix is as follows:\n");
    display(col,row);
    status = Symmetry_Matrix(transp, row, col);
    if(status)
        printf("\n Matrix is not symmetric ");
    else
        printf("\n Matrix is Symmetric ");
}

Posted in: Programming in C