array-in-a-matrix
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hamming-code
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locate error

This commit is contained in:
array-in-a-matrix 2021-07-07 18:20:39 -04:00
parent 356a7c9e6a
commit cf05bf5a42
1 changed files with 20 additions and 10 deletions
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30
index.c
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@ -6,12 +6,13 @@
#define GRID_SIZE 4
#define LOWER 0
#define UPPER 3
#define TWO 2
int random_number(int lower, int upper);
void print_matrix(int matrix[GRID_SIZE][GRID_SIZE]);
void induce_noise(int matrix[GRID_SIZE][GRID_SIZE]);
void parity_check(int matrix[GRID_SIZE][GRID_SIZE]);
int error_check(int matrix[GRID_SIZE][GRID_SIZE]);
int error_check(int matrix[GRID_SIZE][GRID_SIZE], int array[TWO]);
void parity_check_1(int matrix[GRID_SIZE][GRID_SIZE]);
void parity_check_2(int matrix[GRID_SIZE][GRID_SIZE]);
@ -26,7 +27,7 @@ int error_check_4(int matrix[GRID_SIZE][GRID_SIZE]);
int main()
{
srand(time(0));
int error_location[2];
int message[GRID_SIZE][GRID_SIZE] = {
{1, 0, 0, 1},
{0, 1, 0, 0},
@ -38,13 +39,21 @@ int main()
printf("\n");
print_matrix(message);
printf("\n");
printf("\n");
printf("Message now corrupt!\n");
induce_noise(message);
print_matrix(message);
printf("\n");
printf("\n");
error_check(message);
error_check(message, error_location);
if (error_location[1] == 0 && error_location[0] == 0)
{
printf("No error or error location: (%i, %i).\n", error_location[0], error_location[1]);
}
else if (!(error_location[1] == 0 && error_location[0] == 0))
{
printf("Error location: (%i, %i).\n", error_location[0], error_location[1]);
};
return 0;
};
@ -92,10 +101,9 @@ void parity_check(int matrix[GRID_SIZE][GRID_SIZE])
parity_check_4(matrix);
};
int error_check(int matrix[GRID_SIZE][GRID_SIZE])
int error_check(int matrix[GRID_SIZE][GRID_SIZE], int array[TWO])
{
int error_X, error_Y;
int error_location[2];
int sus_1 = error_check_1(matrix);
int sus_2 = error_check_2(matrix);
int sus_3 = error_check_3(matrix);
@ -120,7 +128,7 @@ int error_check(int matrix[GRID_SIZE][GRID_SIZE])
}
else if (!sus_2)
{
error_X = -1;
error_X = 0;
};
};
@ -143,11 +151,13 @@ int error_check(int matrix[GRID_SIZE][GRID_SIZE])
}
else if (!sus_4)
{
error_Y = -1;
error_Y = 0;
};
};
printf("%i, %i\n", error_Y, error_X);
array[0] = error_Y;
array[1] = error_X;
//TODO: eliminate the need for error_Y && error_X by just using an array
return 0;
};