/*
 * mainEven.c Lab Test 2 for even machine numbers
 */
#include <stdio.h>
#include <stdlib.h>
#define SIZE 50
typedef struct { int img, rel; } rm2int ;
typedef struct node {
        rm2int data;
        struct node *next;
} node, *list;

rm2int readrm2int();
void  printrm2int(rm2int a);
rm2int makerm2int(int i, int r);
rm2int addrm2int(rm2int a, rm2int b);
rm2int mulrm2int(rm2int a, rm2int b);
void readrm2intmat(rm2int x[][SIZE], int row, int col);
void printrm2intmat(rm2int x[][SIZE], int row, int col);
void readrm2intvect(rm2int v[], int n);
void printrm2intvect(rm2int v[], int n);
list rm2intmatvectmul(rm2int x[][SIZE], int row, int col, rm2int v[]); 
void printrm2intlst(list l);

int main()
{
    rm2int x, y, z, m[SIZE][SIZE], v[SIZE];
    int row, col;
    list l; 

    printf("Enter an rm2int data: ");
    x = readrm2int();
    printf("\nData I: ");
    printrm2int(x);
    putchar('\n');
    printf("Enter next rm2int data: ");
    y = readrm2int();
    printf("\nData II: ");
    printrm2int(y);
    putchar('\n');
    z = addrm2int(x,y);
    printf("Sum: ");
    printrm2int(z);
    putchar('\n');
    y = makerm2int(-2,1);
    printf("Data III: ");
    printrm2int(y);
    putchar('\n');
    z = addrm2int(z,y);
    printf("Sum II: ");
    printrm2int(z);
    putchar('\n');
    z = mulrm2int(x,y);
    printf("Product: ");
    printrm2int(z);
    putchar('\n');
    printf("Enter rows and column numbers: ");
    scanf("%d%d", &row, &col);
    printf("Enter the matrix in row-major order: ");
    readrm2intmat(m, row, col);
    printf("\nInput matrix:\n");
    printrm2intmat(m, row, col);
    printf("Enter a %d-dim vector: ", col);
    readrm2intvect(v, col);
    printf("\nThe vector is:\n");
    printrm2intvect(v, col); 
    putchar('\n');
    l = rm2intmatvectmul(m, row,  col, v);
    printf("\nThe product vector is:\n");
    printrm2intlst(l); 
    putchar('\n');
    return 0;
}