Crate assert

Assertions for testing.

Macros

assert_abs_close!	Assert that the distance between the absolute values of the corresponding elements of two vectors is smaller than delta!().
assert_close!	Assert that the distance between the corresponding elements of two vectors is smaller than delta!().
assert_equal!	Assert that two vectors are equal.
assert_err!	Assert that the result is unsuccessful.
assert_ok!	Assert that the result is successful.
delta!	Return the square root of the machine epsilon.