## When m=1 we should agree with rosenbrock_hessian1().

x = [4;5];
f1 = rosenbrock_hessian1(x);
f2 = extended_rosenbrock_hessian1(x);

unit_test_equals("(extended_)rosenbrock_hessian1 agree for m=1", ...
		 true, ...
		 f1 == f2);
