UNIVERSITY AT BUFFALO - STATE UNIVERSITY OF NEW YORK
The Department of Computer Science & Engineering

STUART C. SHAPIRO: CSE 202

Course Grades Email Welcome Policies     Grades     Inc     Intgrty Preface Part I   Chap 1   Chap 2   Chap 3   XEmacs   Chap 4   Chap 5   Chap 6   Chap 7   Chap 8   Chap 9 Part II   Chap 10   Chap 11   Chap 12   Chap 13   Chap 14   Chap 15   Chap 16   Chap 17   Chap 18   Chap 19   Chap 20   Chap 21   Chap 22   Chap 23 Part III   Chap 24   Chap 25   Chap 26   Chap 27   Chap 28   Chap 29   Chap 30   Chap 31   Chap 32

CHAPTER 19: THE EVALUATOR Corrections Page 143, line 17: Change using backquote to using the backquote. Page 145, Exercise 19.2: Change the numbering from (eval 5) (eval a) (eval 'a) (eval ''a) (eval (first (a))) (eval (first '(a))) (eval '(first (a))) (eval '(first '(a))) (eval (cons 'first '((a)))) (eval (cons 'first '('(a)))) to (eval 5) (eval a) (eval 'a) (eval ''a) (eval (first (a))) (eval (first '(a))) (eval '(first (a))) (eval '(first '(a))) (eval (cons 'first '((a)))) (eval (cons 'first '('(a)))) Page 146, line -3: Change others to integers. Page 147, line -3: Change (d) to (p2). Page 147, line -1: Change on to in. Notes Read Chapter 19 On page 144, I say, "consider the function prefix you have stored in the file named calculator." This would only have been done by those doing Project P2. Since none of you are, assume that prefix works as described, and notice how compute evals its results. Do Exercises 19.1 - 19.4 to the extent you feel you need to in order to understand the material. Submit a file named ch19.cl that contains code in the ch19 package to define the functions lazy-first, lazy-rest, lazy-nth, fibonacci-from, relatively-prime, and primes-from, as described in Exercises 19.5 - 19.9.

Stuart C. Shapiro <shapiro@cse.buffalo.edu>