int main() { /* singular matrix */ array float b[3][3] = {1, 2, 3, 4, 5, 6, 7, 8, 9}; int r; r = rank(b); printf("rank(b) = %d\n", r); printf("determinant(b) = %f\n", determinant(b)); }

---

rank(b) = 2 determinant(b) = 0.000000