array-in-a-matrix/hamming-code
1
0
Fork 0
Code Issues 1 Pull requests Projects Releases Wiki Activity

create message & induce and error on it

Browse source
This commit is contained in:
array-in-a-matrix 2021-07-06 02:03:14 -04:00
parent 7bd481275e
commit 4919e79c09
1 changed files with 89 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

89
index.c Normal file
View file

@ -0,0 +1,89 @@
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define GRID_SIZE 4
#define LOWER 0
#define UPPER 3
void print_matrix(int matrix[GRID_SIZE][GRID_SIZE]);
int random_number(int lower, int upper);
void introduce_noise(int matrix[GRID_SIZE][GRID_SIZE]);
int main()
{
srand(time(0));
int message[GRID_SIZE][GRID_SIZE] = {
{ 1, 1, 0, 1},
{ 0, 1, 0, 0},
{ 1, 1, 0, 1},
{ 1, 0, 1, 1}};
// { 0, 1, 2, 3},
// { 4, 5, 6, 7},
// { 8, 9, 10, 11},
// { 12, 13, 14, 15}};
print_matrix(message);
introduce_noise(message);
print_matrix(message);
return 0;
};
void print_matrix(int matrix[GRID_SIZE][GRID_SIZE])
{
for (int i = 0; i < GRID_SIZE; i++)
{
for (int j = 0; j < GRID_SIZE; j++)
{
printf("%3i", matrix[i][j]);
}
printf("\n");
}
};
int random_number(int lower, int upper)
{
int num = (rand() % (upper - lower + 1)) + lower;
return num;
};
void introduce_noise(int matrix[GRID_SIZE][GRID_SIZE])
{
int random_X = random_number(LOWER, UPPER);
int random_Y = random_number(LOWER, UPPER);
printf("\n (Y, X)");
printf("\n (%i, %i)\n\n", random_Y, random_X);
if (matrix[random_Y][random_X] == 0)
{
matrix[random_Y][random_X] = 1;
}
else if (matrix[random_Y][random_X] == 1)
{
matrix[random_Y][random_X] = 0;
};
};
// void parity_check_1(int matrix[GRID_SIZE][GRID_SIZE]){
// int parity_bit = matrix[0][1];
// };
// void parity_check_2(int matrix[GRID_SIZE][GRID_SIZE]){
// int parity_bit = matrix[0][2];
// };
// void parity_check_3(int matrix[GRID_SIZE][GRID_SIZE]){
// int parity_bit = matrix[1][0];
// };
// void parity_check_4(int matrix[GRID_SIZE][GRID_SIZE]){
// int parity_bit = matrix[2][0];
// };