| 1 | #!/usr/bin/env newlisp |
| 2 | |
| 3 | (setq L '(1 9 3 7 0 5)) |
| 4 | (setq M '(2 6 5 4 0 1 3)) |
| 5 | |
| 6 | (define (mem E L) ;la function mem a 2 arguments |
| 7 | (if (null? L) nil |
| 8 | (if (= (first L) E) true |
| 9 | (mem E (rest L))))) |
| 10 | (println "mem rt bool") |
| 11 | (println (mem 9 L)) |
| 12 | |
| 13 | (define (boolmemrec E L) |
| 14 | (cond |
| 15 | ((null? L) nil) |
| 16 | ((= (first L) E) true) |
| 17 | ((mem E (rest L))))) |
| 18 | (println "mem rec rt bool") |
| 19 | (println (boolmemrec 10 L)) |
| 20 | |
| 21 | (define (mem E L) ;la function mem a 2 arguments |
| 22 | (if (null? L) nil |
| 23 | (if (= (first L) E) L |
| 24 | (mem E (rest L))))) |
| 25 | (println "mem rt list") |
| 26 | (println (mem 3 L)) |
| 27 | |
| 28 | (define (mem E L) |
| 29 | (cond |
| 30 | ((null? L) nil) |
| 31 | ((= (first L) E) L) |
| 32 | ((mem E (rest L))))) |
| 33 | (println "mem rec rt list") |
| 34 | (println (mem 9 L)) |
| 35 | (println (member 9 L)) |
| 36 | (println (mem 8 L)) |
| 37 | (println (member 8 L)) |
| 38 | |
| 39 | (define (concatene L1 L2) |
| 40 | (if (null? L1) L2 |
| 41 | (cons (first L1) (concatene (rest L1) L2)))) |
| 42 | (println "concatene/append") |
| 43 | (setq C (concatene L M)) |
| 44 | (println C) |
| 45 | (println (append L M)) |
| 46 | |
| 47 | ;(trace true) |
| 48 | |
| 49 | (define (rang E L) |
| 50 | (if (boolmemrec E L) |
| 51 | (cond |
| 52 | ((= E (first L)) 0) |
| 53 | ((+ 1 (rang E (rest L))))) |
| 54 | nil)) |
| 55 | (println "rang/find") |
| 56 | (println (rang 4 L)) |
| 57 | (println (find 4 L)) |
| 58 | (println (rang 0 L)) |
| 59 | (println (find 0 L)) |
| 60 | |
| 61 | ;(trace nil) |
| 62 | |
| 63 | (define (tete N L) |
| 64 | (cond |
| 65 | ((null? L) '()) |
| 66 | ((= N 0) '()) |
| 67 | ((cons (first L) (tete (- N 1) (rest L)))))) |
| 68 | (println "tete/slice") |
| 69 | (println (tete 3 L)) |
| 70 | (println (slice L 0 3)) |
| 71 | (println (0 3 L)) |
| 72 | |
| 73 | (define (intersectL L1 L2) |
| 74 | (cond |
| 75 | ((null? L1) '()) |
| 76 | ((member (first L1) L2) (cons (first L1) (intersectL (rest L1) L2))) |
| 77 | ((intersectL (rest L1) L2)))) |
| 78 | (println "intersectL/intersect") |
| 79 | (println (intersectL L M)) |
| 80 | (println (intersect L M)) |
| 81 | |
| 82 | (setq N '(1 9 3)) |
| 83 | (define (inclu L1 L2) |
| 84 | (cond |
| 85 | ((null? L1) true) |
| 86 | ((null? L2) nil) |
| 87 | ((= (first L1) (first L2)) (inclu (rest L1) (rest L2))) |
| 88 | ((inclu L1 (rest L2))))) |
| 89 | (println "inclu") |
| 90 | (println (inclu N L)) |
| 91 | (println (inclu L M)) |
| 92 | ;did not found a newlisp builtin equivalent function |
| 93 | |
| 94 | (define (unionE L1 L2) |
| 95 | (cond |
| 96 | ((null? L1) L2) |
| 97 | ((member (first L1) L2) (unionE (rest L1) L2)) |
| 98 | ((cons (first L1) (unionE (rest L1) L2))))) |
| 99 | (println "unionE/union") |
| 100 | (println (unionE L M)) |
| 101 | (println (unionE N L)) |
| 102 | (println (union N L)) |
| 103 | |
| 104 | ;(trace true) |
| 105 | |
| 106 | (setq T '(((4)((2 5))((((((6 7))))))))) |
| 107 | (define (prof L) |
| 108 | (cond |
| 109 | ((null? L) 0) |
| 110 | ((atom? L) 0) |
| 111 | ((max (+ 1 (prof (first L))) (prof (rest L)))))) |
| 112 | (println "prof") |
| 113 | (println (prof L)) |
| 114 | (println (prof T)) |
| 115 | |
| 116 | ;(trace nil) |
| 117 | ;(trace true) |
| 118 | |
| 119 | (define (aplatir L) |
| 120 | (cond |
| 121 | ((null? L) '()) |
| 122 | ((atom? L) (list L)) |
| 123 | ((append (aplatir (first L)) (aplatir (rest L)))))) |
| 124 | (println "aplatir/flat") |
| 125 | (println (aplatir T)) |
| 126 | (println (flat T)) |
| 127 | |
| 128 | ;(trace nil) |
| 129 | |
| 130 | (define (elim L) |
| 131 | (cond |
| 132 | ((null? L) '()) |
| 133 | ((member (first L) (rest L)) (elim (rest L))) |
| 134 | ((cons (first L) (elim (rest L)))))) |
| 135 | (println "elim/unique") |
| 136 | (println (elim C)) |
| 137 | (println (unique C)) |
| 138 | |
| 139 | (define (reverseL L) |
| 140 | (cond |
| 141 | ((null? L) '()) |
| 142 | ((append (reverseL (rest L)) (list (first L)))))) |
| 143 | (println "reverseL/reverse") |
| 144 | (println (reverseL L)) |
| 145 | (println (reverse L)) |
| 146 | |
| 147 | (define (list< N L) |
| 148 | (cond |
| 149 | ((null? L) '()) |
| 150 | ((>= (first L) N) (list< N (rest L))) |
| 151 | ((cons (first L) (list< N (rest L)))))) |
| 152 | (println "list<") |
| 153 | (println (list< 5 L)) |
| 154 | (println (list< 5 C)) |
| 155 | |
| 156 | (define (list>= N L) |
| 157 | (cond |
| 158 | ((null? L) '()) |
| 159 | ((< (first L) N) (list>= N (rest L))) |
| 160 | ((cons (first L) (list>= N (rest L)))))) |
| 161 | (println "list>=") |
| 162 | (println (list>= 5 C)) |
| 163 | |
| 164 | ;(trace true) |
| 165 | |
| 166 | (define (qsort L) |
| 167 | (cond |
| 168 | ((null? L) '()) |
| 169 | ((append |
| 170 | ;the pivot is the first element of the list |
| 171 | (qsort (list< (first L) (rest L))) |
| 172 | (list (first L)) |
| 173 | (qsort (list>= (first L) (rest L))))))) |
| 174 | (println "qsort") |
| 175 | (println (qsort C)) |
| 176 | |
| 177 | ;(trace nil) |
| 178 | |
| 179 | ;we suppose both lists are flat |
| 180 | (setq L1 '(A ? ? B C D ?)) |
| 181 | (setq L2 '(? A B ? C ? ? D)) |
| 182 | |
| 183 | ;(println "replace") |
| 184 | ;(println L1) |
| 185 | ;(println L2) |
| 186 | ;the replace function modify the passed argument |
| 187 | ;(println (replace 'B L1)) |
| 188 | ;(println (replace '? L1)) |
| 189 | ;(println (replace '? L2)) |
| 190 | ;(println L1) |
| 191 | ;(println L2) |
| 192 | |
| 193 | (define (filtre L1 L2 C) |
| 194 | ;the replace function modify the passed argument |
| 195 | ;FIXME: use the function argument C |
| 196 | (replace '? L1) |
| 197 | (replace '? L2) |
| 198 | (cond |
| 199 | ((and (null? L1) (null? L2)) true) |
| 200 | ((and (not (null? L1)) (null? L2)) nil) |
| 201 | ((and (null? L1) (not (null? L2))) nil) |
| 202 | ((and (inclu L1 L2) (inclu L2 L1) true)))) |
| 203 | (println "filtre") |
| 204 | (println (filtre L1 L2 ?)) |
| 205 | (println (filtre L M ?)) |
| 206 | |
| 207 | ;algorithm written on the board |
| 208 | (define (filtrerec L1 L2 C) |
| 209 | ;FIXME: use the function argument C |
| 210 | (cond |
| 211 | ((null? L1) |
| 212 | (cond |
| 213 | ((null? L2) true) |
| 214 | ((= '? (first L2)) (filtrerec L1 (rest L2))) |
| 215 | (nil))) |
| 216 | ((null? L2) (filtrerec L2 L1)) |
| 217 | ((= '? (first L1)) (filtrerec (rest L1) L2)) |
| 218 | ((= '? (first L2)) (filtrerec L1 (rest L2))) |
| 219 | ((= (first L1) (first L2)) (filtrerec (rest L1) (rest L2)) ) |
| 220 | (nil))) |
| 221 | (println "filtrerec") |
| 222 | (println (filtrerec L1 L2 ?)) |
| 223 | (println (filtrerec L M ?)) |
| 224 | |
| 225 | (exit) |