Usage
assert_all_are_divisible_by(x, n, tol = 100 * .Machine$double.eps)
assert_any_are_divisible_by(x, n, tol = 100 * .Machine$double.eps)
assert_all_are_even(x, tol = 100 * .Machine$double.eps)
assert_any_are_even(x, tol = 100 * .Machine$double.eps)
assert_all_are_odd(x, n, tol = 100 * .Machine$double.eps)
assert_any_are_odd(x, n, tol = 100 * .Machine$double.eps)
assert_all_are_odd(x, n, tol = 100 * .Machine$double.eps)
assert_any_are_odd(x, n, tol = 100 * .Machine$double.eps)
is_divisible_by(x, n, tol = 100 * .Machine$double.eps)
is_even(x, tol = 100 * .Machine$double.eps)
is_odd(x, tol = 100 * .Machine$double.eps)