Fixed cfold
This commit is contained in:
@@ -31,7 +31,6 @@
|
||||
(macro (my-match X) X)
|
||||
(constant 'my-match (lambda-macro (X) (expand (list let (list '__MATCH_SYM 'X) (cons cond (my-match-helper '__MATCH_SYM (args) 0))) 'X)))
|
||||
|
||||
|
||||
(define (mk-expr n v) (cond ((= n 0) (cond ((= v 0) (list 'VR 1 0))
|
||||
(true (list 'VL v 0))))
|
||||
(true (list 'A (mk-expr (- n 1) (+ v 1)) (mk-expr (- n 1) (max (- v 1) 0))))))
|
||||
@@ -49,9 +48,9 @@
|
||||
('M c d) (append-mul (reassoc a) (reassoc b))
|
||||
e e))
|
||||
|
||||
(define (cfold e) (my-match e
|
||||
('A a b) (letn (ap (cfold a)
|
||||
bp (cfold b))
|
||||
(define (cfoldD e) (my-match e
|
||||
('A a b) (letn (ap (cfoldD a)
|
||||
bp (cfoldD b))
|
||||
(my-match ap
|
||||
('VL s t) (my-match bp
|
||||
('VL m n) (list 'VL (+ s m) 0)
|
||||
@@ -62,8 +61,8 @@
|
||||
ep (list 'A ap bp)
|
||||
)
|
||||
)
|
||||
('M c d) (letn (cp (cfold c)
|
||||
dp (cfold dec))
|
||||
('M c d) (letn (cp (cfoldD c)
|
||||
dp (cfoldD dec))
|
||||
(my-match cp
|
||||
('VL s t) (my-match dp
|
||||
('VL m n) (list 'VL (* s m) 0)
|
||||
@@ -76,13 +75,13 @@
|
||||
)
|
||||
e e))
|
||||
|
||||
(define (eval e) (my-match e
|
||||
(define (evalD e) (my-match e
|
||||
('VR a b) 0
|
||||
('VL c d) c
|
||||
('A e f) (+ (eval e) (eval f))
|
||||
('M l r) (* (eval l) (eval r))))
|
||||
('A e f) (+ (evalD e) (evalD f))
|
||||
('M l r) (* (evalD l) (evalD r))))
|
||||
|
||||
|
||||
(println (eval (cfold (reassoc (mk-expr (integer (main-args 2)) 1)))))
|
||||
(println (evalD (cfoldD (reassoc (mk-expr (integer (main-args 2)) 1)))))
|
||||
|
||||
(exit)
|
||||
|
||||
@@ -82,7 +82,7 @@
|
||||
('A f g) (+ (countD f) (countD g))
|
||||
('M f g) (+ (countD f) (countD g))
|
||||
('P f g) (+ (countD f) (countD g))
|
||||
('L f g) (countD f))))
|
||||
('L f g) (countD f)))
|
||||
|
||||
(define (nest-aux s f n x) (cond ((= n 0) x)
|
||||
(true (nest-aux s f (- n 1) (f (- s n) x)))))
|
||||
|
||||
@@ -47,9 +47,9 @@
|
||||
('M c d) (append-mul (reassoc a) (reassoc b))
|
||||
e e))
|
||||
|
||||
(define (cfold e) (my-match e
|
||||
('A a b) (letn (ap (cfold a)
|
||||
bp (cfold b))
|
||||
(define (cfoldD e) (my-match e
|
||||
('A a b) (letn (ap (cfoldD a)
|
||||
bp (cfoldD b))
|
||||
(my-match ap
|
||||
('VL s t) (my-match bp
|
||||
('VL m n) (list 'VL (+ s m) 0)
|
||||
@@ -60,8 +60,8 @@
|
||||
ep (list 'A ap bp)
|
||||
)
|
||||
)
|
||||
('M c d) (letn (cp (cfold c)
|
||||
dp (cfold dec))
|
||||
('M c d) (letn (cp (cfoldD c)
|
||||
dp (cfoldD dec))
|
||||
(my-match cp
|
||||
('VL s t) (my-match dp
|
||||
('VL m n) (list 'VL (* s m) 0)
|
||||
@@ -74,13 +74,13 @@
|
||||
)
|
||||
e e))
|
||||
|
||||
(define (eval e) (my-match e
|
||||
(define (evalD e) (my-match e
|
||||
('VR a b) 0
|
||||
('VL c d) c
|
||||
('A e f) (+ (eval e) (eval f))
|
||||
('M l r) (* (eval l) (eval r))))
|
||||
('A e f) (+ (evalD e) (evalD f))
|
||||
('M l r) (* (evalD l) (evalD r))))
|
||||
|
||||
|
||||
(println (eval (cfold (reassoc (mk-expr (integer (main-args 2)) 1)))))
|
||||
(println (evalD (cfoldD (reassoc (mk-expr (integer (main-args 2)) 1)))))
|
||||
|
||||
(exit)
|
||||
|
||||
@@ -79,7 +79,7 @@
|
||||
('A f g) (+ (countD f) (countD g))
|
||||
('M f g) (+ (countD f) (countD g))
|
||||
('P f g) (+ (countD f) (countD g))
|
||||
('L f g) (countD f))))
|
||||
('L f g) (countD f)))
|
||||
|
||||
(define (nest-aux s f n x) (cond ((= n 0) x)
|
||||
(true (nest-aux s f (- n 1) (f (- s n) x)))))
|
||||
|
||||
@@ -29,4 +29,16 @@
|
||||
(true '((true ("none matched"))))))
|
||||
(define-macro (my-match x) (eval (list let (list '__MATCH_SYM x) (cons cond (my-match-helper '__MATCH_SYM (args) 0)))))
|
||||
|
||||
(define (safe q d xs) ())
|
||||
|
||||
(define (extendS q acc xss) (my-match xss
|
||||
))
|
||||
|
||||
(define (findS n q) (cond ((= q 0) (list nil))
|
||||
true (extendS n nil (findS n (- q 1)))))
|
||||
|
||||
(define (nqueens n) (length (findS n n)))
|
||||
|
||||
(println (nqueens (integer (main-args 2))))
|
||||
|
||||
(exit)
|
||||
|
||||
Reference in New Issue
Block a user