making-hw-3.main

#include <matrix.h>


int main(void) {
    size_t cols = 0;
    size_t rows = 0;
    double elem = 0;
    Matrix *matrix_left = create_matrix_from_file("left.txt");
    if (matrix_left == NULL) {
        return EXIT_FAILURE;
    }

    Matrix *matrix_right = create_matrix_from_file("right.txt");
    if (matrix_right == NULL) {
        free_matrix(matrix_left);
        return EXIT_FAILURE;
    }


    int rc = get_rows(matrix_left, &rows);
    if (rc) {
        free_matrix(matrix_left);
        free_matrix(matrix_right);
        return EXIT_FAILURE;
    }
    rc = get_cols(matrix_left, &cols);
    if (rc) {
        free_matrix(matrix_left);
        free_matrix(matrix_right);
        return EXIT_FAILURE;
    }
    rc = get_elem(matrix_left, 0, 0, &elem);
    if (rc) {
        free_matrix(matrix_left);
        free_matrix(matrix_right);
        return EXIT_FAILURE;
    }

    rc = set_elem(matrix_left, 0, 0, elem);
    if (rc) {
        free_matrix(matrix_left);
        free_matrix(matrix_right);
        return EXIT_FAILURE;
    }

    Matrix *matrix_sum    = sum(matrix_left, matrix_right);
    Matrix *matrix_sub    = sub(matrix_left, matrix_right);
    Matrix *matrix_scalar = mul_scalar(matrix_left, elem);
    Matrix *matrix_mul    = mul(matrix_left, matrix_right);
    Matrix *matrix_inv    = inv(matrix_left);


    printf("\nMatrix sum:");
    matrix_print(matrix_sum);
    printf("\nMatrix sub:");
    matrix_print(matrix_sub);
    printf("\nMatrix scalar:");
    matrix_print(matrix_scalar);
    printf("\nMatrix mul:");
    matrix_print(matrix_mul);
    printf("\n\nMatrix inv:");
    matrix_print(matrix_inv);

    free_matrix(matrix_left);
    free_matrix(matrix_right);
    free_matrix(matrix_sum);
    free_matrix(matrix_sub);
    free_matrix(matrix_scalar);
    free_matrix(matrix_mul);
    free_matrix(matrix_inv);

    return rc;
}