Function test_sub

fix/tests.c:45–51

}

static void test_sub() {
  assert(hc_fix_sub(hc_fix(2, 175), hc_fix(2, 25)) ==
	 hc_fix(2, 150));

  assert(hc_fix_sub(hc_fix(2, 175), hc_fix(2, -25)) ==
	 hc_fix(2, 200));
}

void fix_tests() {
  test_add();