| 1 | ;;;; bit-operations.test --- bitwise operations on numbers -*- scheme -*- |
| 2 | ;;;; Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. |
| 3 | ;;;; |
| 4 | ;;;; This library is free software; you can redistribute it and/or |
| 5 | ;;;; modify it under the terms of the GNU Lesser General Public |
| 6 | ;;;; License as published by the Free Software Foundation; either |
| 7 | ;;;; version 2.1 of the License, or (at your option) any later version. |
| 8 | ;;;; |
| 9 | ;;;; This library is distributed in the hope that it will be useful, |
| 10 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | ;;;; Lesser General Public License for more details. |
| 13 | ;;;; |
| 14 | ;;;; You should have received a copy of the GNU Lesser General Public |
| 15 | ;;;; License along with this library; if not, write to the Free Software |
| 16 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | |
| 18 | (use-modules (test-suite lib) |
| 19 | (ice-9 documentation)) |
| 20 | |
| 21 | |
| 22 | ;;; |
| 23 | ;;; miscellaneous |
| 24 | ;;; |
| 25 | |
| 26 | (define (run-tests name-proc test-proc arg-sets) |
| 27 | (for-each |
| 28 | (lambda (arg-set) |
| 29 | (pass-if (apply name-proc arg-set) |
| 30 | (apply test-proc arg-set))) |
| 31 | arg-sets)) |
| 32 | |
| 33 | (define (documented? object) |
| 34 | (not (not (object-documentation object)))) |
| 35 | |
| 36 | (define fixnum-bit |
| 37 | (inexact->exact (round (+ (/ (log (+ most-positive-fixnum 1)) (log 2)) 1)))) |
| 38 | |
| 39 | (define fixnum-min most-negative-fixnum) |
| 40 | (define fixnum-max most-positive-fixnum) |
| 41 | |
| 42 | (with-test-prefix "bit-extract" |
| 43 | |
| 44 | (pass-if "documented?" |
| 45 | (documented? bit-extract)) |
| 46 | |
| 47 | (with-test-prefix "extract from zero" |
| 48 | |
| 49 | (run-tests |
| 50 | (lambda (a b c d) |
| 51 | (string-append "single bit " (number->string b))) |
| 52 | (lambda (a b c d) |
| 53 | (= (bit-extract a b c) d)) |
| 54 | (list |
| 55 | (list 0 0 1 0) |
| 56 | (list 0 1 2 0) |
| 57 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit -1) 0) |
| 58 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit 0) 0) |
| 59 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit 1) 0) |
| 60 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) |
| 61 | |
| 62 | (run-tests |
| 63 | (lambda (a b c d) |
| 64 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) |
| 65 | (lambda (a b c d) |
| 66 | (= (bit-extract a b c) d)) |
| 67 | (list |
| 68 | (list 0 0 (+ fixnum-bit -1) 0) |
| 69 | (list 0 1 (+ fixnum-bit 0) 0) |
| 70 | (list 0 2 (+ fixnum-bit 1) 0) |
| 71 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 0) |
| 72 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 0) |
| 73 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) |
| 74 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) |
| 75 | |
| 76 | (run-tests |
| 77 | (lambda (a b c d) |
| 78 | (string-append "fixnum-bit bits starting at " (number->string b))) |
| 79 | (lambda (a b c d) |
| 80 | (= (bit-extract a b c) d)) |
| 81 | (list |
| 82 | (list 0 0 (+ fixnum-bit 0) 0) |
| 83 | (list 0 1 (+ fixnum-bit 1) 0) |
| 84 | (list 0 2 (+ fixnum-bit 2) 0) |
| 85 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 0) |
| 86 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 0) |
| 87 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) |
| 88 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) |
| 89 | |
| 90 | (run-tests |
| 91 | (lambda (a b c d) |
| 92 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) |
| 93 | (lambda (a b c d) |
| 94 | (= (bit-extract a b c) d)) |
| 95 | (list |
| 96 | (list 0 0 (+ fixnum-bit 1) 0) |
| 97 | (list 0 1 (+ fixnum-bit 2) 0) |
| 98 | (list 0 2 (+ fixnum-bit 3) 0) |
| 99 | (list 0 (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 0) |
| 100 | (list 0 (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 0) |
| 101 | (list 0 (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) |
| 102 | (list 0 (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) |
| 103 | |
| 104 | (with-test-prefix "extract from fixnum-max" |
| 105 | |
| 106 | (run-tests |
| 107 | (lambda (a b c d) |
| 108 | (string-append "single bit " (number->string b))) |
| 109 | (lambda (a b c d) |
| 110 | (= (bit-extract a b c) d)) |
| 111 | (list |
| 112 | (list fixnum-max 0 1 1) |
| 113 | (list fixnum-max 1 2 1) |
| 114 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit -1) 1) |
| 115 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit 0) 0) |
| 116 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit 1) 0) |
| 117 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) |
| 118 | |
| 119 | (run-tests |
| 120 | (lambda (a b c d) |
| 121 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) |
| 122 | (lambda (a b c d) |
| 123 | (= (bit-extract a b c) d)) |
| 124 | (list |
| 125 | (list fixnum-max 0 (+ fixnum-bit -1) (ash fixnum-max 0)) |
| 126 | (list fixnum-max 1 (+ fixnum-bit 0) (ash fixnum-max -1)) |
| 127 | (list fixnum-max 2 (+ fixnum-bit 1) (ash fixnum-max -2)) |
| 128 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 1) |
| 129 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 0) |
| 130 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) |
| 131 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) |
| 132 | |
| 133 | (run-tests |
| 134 | (lambda (a b c d) |
| 135 | (string-append "fixnum-bit bits starting at " (number->string b))) |
| 136 | (lambda (a b c d) |
| 137 | (= (bit-extract a b c) d)) |
| 138 | (list |
| 139 | (list fixnum-max 0 (+ fixnum-bit 0) (ash fixnum-max 0)) |
| 140 | (list fixnum-max 1 (+ fixnum-bit 1) (ash fixnum-max -1)) |
| 141 | (list fixnum-max 2 (+ fixnum-bit 2) (ash fixnum-max -2)) |
| 142 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 1) |
| 143 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 0) |
| 144 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) |
| 145 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) |
| 146 | |
| 147 | (run-tests |
| 148 | (lambda (a b c d) |
| 149 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) |
| 150 | (lambda (a b c d) |
| 151 | (= (bit-extract a b c) d)) |
| 152 | (list |
| 153 | (list fixnum-max 0 (+ fixnum-bit 1) (ash fixnum-max 0)) |
| 154 | (list fixnum-max 1 (+ fixnum-bit 2) (ash fixnum-max -1)) |
| 155 | (list fixnum-max 2 (+ fixnum-bit 3) (ash fixnum-max -2)) |
| 156 | (list fixnum-max (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 1) |
| 157 | (list fixnum-max (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 0) |
| 158 | (list fixnum-max (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) |
| 159 | (list fixnum-max (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) |
| 160 | |
| 161 | (with-test-prefix "extract from fixnum-max + 1" |
| 162 | |
| 163 | (run-tests |
| 164 | (lambda (a b c d) |
| 165 | (string-append "single bit " (number->string b))) |
| 166 | (lambda (a b c d) |
| 167 | (= (bit-extract a b c) d)) |
| 168 | (list |
| 169 | (list (+ fixnum-max 1) 0 1 0) |
| 170 | (list (+ fixnum-max 1) 1 2 0) |
| 171 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit -1) 0) |
| 172 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit 0) 1) |
| 173 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit 1) 0) |
| 174 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit 2) 0))) |
| 175 | |
| 176 | (run-tests |
| 177 | (lambda (a b c d) |
| 178 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) |
| 179 | (lambda (a b c d) |
| 180 | (= (bit-extract a b c) d)) |
| 181 | (list |
| 182 | (list (+ fixnum-max 1) 0 (+ fixnum-bit -1) (ash 0 (- fixnum-bit 1))) |
| 183 | (list (+ fixnum-max 1) 1 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 2))) |
| 184 | (list (+ fixnum-max 1) 2 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 3))) |
| 185 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) 2) |
| 186 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) 1) |
| 187 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) 0) |
| 188 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) 0))) |
| 189 | |
| 190 | (run-tests |
| 191 | (lambda (a b c d) |
| 192 | (string-append "fixnum-bit bits starting at " (number->string b))) |
| 193 | (lambda (a b c d) |
| 194 | (= (bit-extract a b c) d)) |
| 195 | (list |
| 196 | (list (+ fixnum-max 1) 0 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 1))) |
| 197 | (list (+ fixnum-max 1) 1 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 2))) |
| 198 | (list (+ fixnum-max 1) 2 (+ fixnum-bit 2) (ash 1 (- fixnum-bit 3))) |
| 199 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) 2) |
| 200 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) 1) |
| 201 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) 0) |
| 202 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) 0))) |
| 203 | |
| 204 | (run-tests |
| 205 | (lambda (a b c d) |
| 206 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) |
| 207 | (lambda (a b c d) |
| 208 | (= (bit-extract a b c) d)) |
| 209 | (list |
| 210 | (list (+ fixnum-max 1) 0 (+ fixnum-bit 1) (ash 1 (- fixnum-bit 1))) |
| 211 | (list (+ fixnum-max 1) 1 (+ fixnum-bit 2) (ash 1 (- fixnum-bit 2))) |
| 212 | (list (+ fixnum-max 1) 2 (+ fixnum-bit 3) (ash 1 (- fixnum-bit 3))) |
| 213 | (list (+ fixnum-max 1) (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) 2) |
| 214 | (list (+ fixnum-max 1) (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) 1) |
| 215 | (list (+ fixnum-max 1) (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) 0) |
| 216 | (list (+ fixnum-max 1) (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) 0)))) |
| 217 | |
| 218 | (with-test-prefix "extract from fixnum-min" |
| 219 | |
| 220 | (run-tests |
| 221 | (lambda (a b c d) |
| 222 | (string-append "single bit " (number->string b))) |
| 223 | (lambda (a b c d) |
| 224 | (= (bit-extract a b c) d)) |
| 225 | (list |
| 226 | (list fixnum-min 0 1 0) |
| 227 | (list fixnum-min 1 2 0) |
| 228 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit -1) 0) |
| 229 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit 0) 1) |
| 230 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit 1) 1) |
| 231 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit 2) 1))) |
| 232 | |
| 233 | (run-tests |
| 234 | (lambda (a b c d) |
| 235 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) |
| 236 | (lambda (a b c d) |
| 237 | (= (bit-extract a b c) d)) |
| 238 | (list |
| 239 | (list fixnum-min 0 (+ fixnum-bit -1) (ash 0 (- fixnum-bit 1))) |
| 240 | (list fixnum-min 1 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 2))) |
| 241 | (list fixnum-min 2 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 3))) |
| 242 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -3) |
| 243 | (- (ash 1 (- fixnum-bit 1)) 2)) |
| 244 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -2) |
| 245 | (- (ash 1 (- fixnum-bit 1)) 1)) |
| 246 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit -1) |
| 247 | (- (ash 1 (- fixnum-bit 1)) 1)) |
| 248 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 0) |
| 249 | (- (ash 1 (- fixnum-bit 1)) 1)))) |
| 250 | |
| 251 | (run-tests |
| 252 | (lambda (a b c d) |
| 253 | (string-append "fixnum-bit bits starting at " (number->string b))) |
| 254 | (lambda (a b c d) |
| 255 | (= (bit-extract a b c) d)) |
| 256 | (list |
| 257 | (list fixnum-min 0 (+ fixnum-bit 0) (ash 1 (- fixnum-bit 1))) |
| 258 | (list fixnum-min 1 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 2))) |
| 259 | (list fixnum-min 2 (+ fixnum-bit 2) (ash 7 (- fixnum-bit 3))) |
| 260 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -2) |
| 261 | (- (ash 1 fixnum-bit) 2)) |
| 262 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit -1) |
| 263 | (- (ash 1 fixnum-bit) 1)) |
| 264 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 0) |
| 265 | (- (ash 1 fixnum-bit) 1)) |
| 266 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 1) |
| 267 | (- (ash 1 fixnum-bit) 1)))) |
| 268 | |
| 269 | (run-tests |
| 270 | (lambda (a b c d) |
| 271 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) |
| 272 | (lambda (a b c d) |
| 273 | (= (bit-extract a b c) d)) |
| 274 | (list |
| 275 | (list fixnum-min 0 (+ fixnum-bit 1) (ash 3 (- fixnum-bit 1))) |
| 276 | (list fixnum-min 1 (+ fixnum-bit 2) (ash 7 (- fixnum-bit 2))) |
| 277 | (list fixnum-min 2 (+ fixnum-bit 3) (ash 15 (- fixnum-bit 3))) |
| 278 | (list fixnum-min (+ fixnum-bit -2) (+ fixnum-bit fixnum-bit -1) |
| 279 | (- (ash 1 (+ fixnum-bit 1)) 2)) |
| 280 | (list fixnum-min (+ fixnum-bit -1) (+ fixnum-bit fixnum-bit 0) |
| 281 | (- (ash 1 (+ fixnum-bit 1)) 1)) |
| 282 | (list fixnum-min (+ fixnum-bit 0) (+ fixnum-bit fixnum-bit 1) |
| 283 | (- (ash 1 (+ fixnum-bit 1)) 1)) |
| 284 | (list fixnum-min (+ fixnum-bit 1) (+ fixnum-bit fixnum-bit 2) |
| 285 | (- (ash 1 (+ fixnum-bit 1)) 1))))) |
| 286 | |
| 287 | (with-test-prefix "extract from fixnum-min - 1" |
| 288 | |
| 289 | (run-tests |
| 290 | (lambda (a b c d) |
| 291 | (string-append "single bit " (number->string b))) |
| 292 | (lambda (a b c d) |
| 293 | (= (bit-extract a b c) d)) |
| 294 | (list |
| 295 | (list (- fixnum-min 1) 0 1 1) |
| 296 | (list (- fixnum-min 1) 1 2 1) |
| 297 | (list (- fixnum-min 1) (+ fixnum-bit -2) (+ fixnum-bit -1) 1) |
| 298 | (list (- fixnum-min 1) (+ fixnum-bit -1) (+ fixnum-bit 0) 0) |
| 299 | (list (- fixnum-min 1) (+ fixnum-bit 0) (+ fixnum-bit 1) 1) |
| 300 | (list (- fixnum-min 1) (+ fixnum-bit 1) (+ fixnum-bit 2) 1))) |
| 301 | |
| 302 | (run-tests |
| 303 | (lambda (a b c d) |
| 304 | (string-append "fixnum-bit - 1 bits starting at " (number->string b))) |
| 305 | (lambda (a b c d) |
| 306 | (= (bit-extract a b c) d)) |
| 307 | (list |
| 308 | (list (- fixnum-min 1) 0 (+ fixnum-bit -1) |
| 309 | (- (ash 1 (- fixnum-bit 1)) 1 (ash 0 (- fixnum-bit 1)))) |
| 310 | (list (- fixnum-min 1) 1 (+ fixnum-bit 0) |
| 311 | (- (ash 1 (- fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 2)))) |
| 312 | (list (- fixnum-min 1) 2 (+ fixnum-bit 1) |
| 313 | (- (ash 1 (- fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 3)))) |
| 314 | (list (- fixnum-min 1) (+ fixnum-bit -2) |
| 315 | (+ fixnum-bit fixnum-bit -3) (- (ash 1 (- fixnum-bit 1)) 3)) |
| 316 | (list (- fixnum-min 1) (+ fixnum-bit -1) |
| 317 | (+ fixnum-bit fixnum-bit -2) (- (ash 1 (- fixnum-bit 1)) 2)) |
| 318 | (list (- fixnum-min 1) (+ fixnum-bit 0) |
| 319 | (+ fixnum-bit fixnum-bit -1) (- (ash 1 (- fixnum-bit 1)) 1)) |
| 320 | (list (- fixnum-min 1) (+ fixnum-bit 1) |
| 321 | (+ fixnum-bit fixnum-bit 0) (- (ash 1 (- fixnum-bit 1)) 1)))) |
| 322 | |
| 323 | (run-tests |
| 324 | (lambda (a b c d) |
| 325 | (string-append "fixnum-bit bits starting at " (number->string b))) |
| 326 | (lambda (a b c d) |
| 327 | (= (bit-extract a b c) d)) |
| 328 | (list |
| 329 | (list (- fixnum-min 1) 0 (+ fixnum-bit 0) |
| 330 | (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 1)))) |
| 331 | (list (- fixnum-min 1) 1 (+ fixnum-bit 1) |
| 332 | (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 2)))) |
| 333 | (list (- fixnum-min 1) 2 (+ fixnum-bit 2) |
| 334 | (- (ash 1 fixnum-bit) 1 (ash 1 (- fixnum-bit 3)))) |
| 335 | (list (- fixnum-min 1) (+ fixnum-bit -2) |
| 336 | (+ fixnum-bit fixnum-bit -2) (- (ash 1 fixnum-bit) 3)) |
| 337 | (list (- fixnum-min 1) (+ fixnum-bit -1) |
| 338 | (+ fixnum-bit fixnum-bit -1) (- (ash 1 fixnum-bit) 2)) |
| 339 | (list (- fixnum-min 1) (+ fixnum-bit 0) |
| 340 | (+ fixnum-bit fixnum-bit 0) (- (ash 1 fixnum-bit) 1)) |
| 341 | (list (- fixnum-min 1) (+ fixnum-bit 1) |
| 342 | (+ fixnum-bit fixnum-bit 1) (- (ash 1 fixnum-bit) 1)))) |
| 343 | |
| 344 | (run-tests |
| 345 | (lambda (a b c d) |
| 346 | (string-append "fixnum-bit + 1 bits starting at " (number->string b))) |
| 347 | (lambda (a b c d) |
| 348 | (= (bit-extract a b c) d)) |
| 349 | (list |
| 350 | (list (- fixnum-min 1) 0 (+ fixnum-bit 1) |
| 351 | (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 1)))) |
| 352 | (list (- fixnum-min 1) 1 (+ fixnum-bit 2) |
| 353 | (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 2)))) |
| 354 | (list (- fixnum-min 1) 2 (+ fixnum-bit 3) |
| 355 | (- (ash 1 (+ fixnum-bit 1)) 1 (ash 1 (- fixnum-bit 3)))) |
| 356 | (list (- fixnum-min 1) (+ fixnum-bit -2) |
| 357 | (+ fixnum-bit fixnum-bit -1) (- (ash 1 (+ fixnum-bit 1)) 3)) |
| 358 | (list (- fixnum-min 1) (+ fixnum-bit -1) |
| 359 | (+ fixnum-bit fixnum-bit 0) (- (ash 1 (+ fixnum-bit 1)) 2)) |
| 360 | (list (- fixnum-min 1) (+ fixnum-bit 0) |
| 361 | (+ fixnum-bit fixnum-bit 1) (- (ash 1 (+ fixnum-bit 1)) 1)) |
| 362 | (list (- fixnum-min 1) (+ fixnum-bit 1) |
| 363 | (+ fixnum-bit fixnum-bit 2) (- (ash 1 (+ fixnum-bit 1)) 1)))))) |