unit_test_equals("sin[0, pi, 2*pi] == 0", ...
0, ...
divided_difference(@sin, [0,pi,2*pi]));
+
+unit_test_equals("zero order divided_difference_coefficients", ...
+ [1], ...
+ divided_difference_coefficients([0]));
+
+unit_test_equals("first order divided_difference_coefficients", ...
+ [-1, 1] / pi, ...
+ divided_difference_coefficients([0, pi]));
+
+unit_test_equals("second order divided_difference_coefficients", ...
+ [1, -2, 1] / (2*pi^2), ...
+ divided_difference_coefficients([0, pi, 2*pi]));
+
+
+unit_test_equals("1 is odd", ...
+ true, ...
+ odd(1));
+
+unit_test_equals("1 is not even", ...
+ false, ...
+ even(1));
+
+unit_test_equals("2 is not odd", ...
+ false, ...
+ odd(2));
+
+unit_test_equals("2 is even", ...
+ true, ...
+ even(2));