/usr/share/slib/guile.init is in slib 3b1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 | ;"guile.init" Configuration file for SLIB for GUILE -*-scheme-*-
;;; Author: Aubrey Jaffer
;;;
;;; This code is in the public domain.
(if (not (and (string<=? "1.6" (version)) (string<? (version) "1.8.3")))
(define-module (ice-9 slib))) ; :no-backtrace
(define slib-module (current-module))
(define base:define define)
(define define
(procedure->memoizing-macro
(lambda (exp env)
(cons (if (= 1 (length env)) 'define-public 'base:define) (cdr exp)))))
;;; Hack to make syncase macros work in the slib module
(if (nested-ref the-root-module '(app modules ice-9 syncase))
(set-object-property! (module-local-variable (current-module) 'define)
'*sc-expander*
'(define)))
;;; (software-type) should be set to the generic operating system type.
;;; UNIX, VMS, MACOS, AMIGA and MS-DOS are supported.
(define software-type
(if (string<? (version) "1.6")
(lambda () 'UNIX)
(lambda () 'unix)))
;;; (scheme-implementation-type) should return the name of the scheme
;;; implementation loading this file.
(define (scheme-implementation-type) 'guile)
;;; (scheme-implementation-home-page) should return a (string) URI
;;; (Uniform Resource Identifier) for this scheme implementation's home
;;; page; or false if there isn't one.
(define (scheme-implementation-home-page)
"http://www.gnu.org/software/guile/guile.html")
;;; (scheme-implementation-version) should return a string describing
;;; the version the scheme implementation loading this file.
(define scheme-implementation-version version)
;;; (implementation-vicinity) should be defined to be the pathname of
;;; the directory where any auxillary files to your Scheme
;;; implementation reside.
(define implementation-vicinity
(let* ((path (or (%search-load-path "ice-9/q.scm")
(error "Could not find ice-9/q.scm in " %load-path)))
(vic (substring path 0 (- (string-length path) 11))))
(lambda () vic)))
;;
;;; Rob Browning says %site-dir exists since Guile-1.6
;;(define implementation-vicinity
;; (cond ((and (defined? 'getenv) (getenv "GUILE_IMPLEMENTATION_PATH"))
;; => (lambda (path) (lambda () path)))
;; (else %site-dir)))
;;; (library-vicinity) should be defined to be the pathname of the
;;; directory where files of Scheme library functions reside.
(define library-vicinity
(let ((library-path
(or
;; Use this getenv if your implementation supports it.
(and (defined? 'getenv) (getenv "SCHEME_LIBRARY_PATH"))
;; Rob Browning sent this; I'm not sure its a good idea.
;; See if we can find slib/guile.init (cf. implementation-vicinity).
(let ((path (%search-load-path "slib/guile.init")))
(and path (substring path 0 (- (string-length path) 10))))
;; Use this path if your scheme does not support GETENV
;; or if SCHEME_LIBRARY_PATH is not set.
;; Changed from /usr/lib/slib to /usr/share/slib by tb@debian.org for
;; Debian packaging.
;; "/usr/lib/slib/"
"/usr/share/slib/"
(in-vicinity (implementation-vicinity) "slib/"))))
(lambda () library-path)))
;;; (home-vicinity) should return the vicinity of the user's HOME
;;; directory, the directory which typically contains files which
;;; customize a computer environment for a user.
(define (home-vicinity)
(let ((home (and (defined? 'getenv) (getenv "HOME"))))
(and home
(case (software-type)
((unix coherent ms-dos) ;V7 unix has a / on HOME
(if (eqv? #\/ (string-ref home (+ -1 (string-length home))))
home
(string-append home "/")))
(else home)))))
;@
(define (user-vicinity)
(case (software-type)
((vms) "[.]")
(else "")))
;@
(define vicinity:suffix?
(let ((suffi
(case (software-type)
((amiga) '(#\: #\/))
((macos thinkc) '(#\:))
((ms-dos windows atarist os/2) '(#\\ #\/))
((nosve) '(#\: #\.))
((unix coherent plan9) '(#\/))
((vms) '(#\: #\]))
(else
(warn "require.scm" 'unknown 'software-type (software-type))
"/"))))
(lambda (chr) (and (memv chr suffi) #t))))
;@
(define (pathname->vicinity pathname)
(let loop ((i (- (string-length pathname) 1)))
(cond ((negative? i) "")
((vicinity:suffix? (string-ref pathname i))
(substring pathname 0 (+ i 1)))
(else (loop (- i 1))))))
;@
(define (program-vicinity)
(define clp (current-load-port))
(if clp
(pathname->vicinity (port-filename clp))
(slib:error 'program-vicinity " called; use slib:load to load")))
;@
(define sub-vicinity
(case (software-type)
((vms) (lambda (vic name)
(let ((l (string-length vic)))
(if (or (zero? (string-length vic))
(not (char=? #\] (string-ref vic (- l 1)))))
(string-append vic "[" name "]")
(string-append (substring vic 0 (- l 1))
"." name "]")))))
(else (let ((*vicinity-suffix*
(case (software-type)
((nosve) ".")
((macos thinkc) ":")
((ms-dos windows atarist os/2) "\\")
((unix coherent plan9 amiga) "/"))))
(lambda (vic name)
(string-append vic name *vicinity-suffix*))))))
;@
(define (make-vicinity <pathname>) <pathname>)
;@
(define with-load-pathname
(let ((exchange
(lambda (new)
(let ((old program-vicinity))
(set! program-vicinity new)
old))))
(lambda (path thunk)
(define old #f)
(define vic (pathname->vicinity path))
(dynamic-wind
(lambda () (set! old (exchange (lambda () vic))))
thunk
(lambda () (exchange old))))))
;;@ SLIB:FEATURES is a list of symbols naming the (SLIB) features
;;; initially supported by this implementation.
(define slib:features
(append
(apply append
(map (lambda (sym) (if (defined? sym) (list sym) '()))
'(getenv
program-arguments
current-time
char-ready?)))
'(
source ;can load scheme source files
;(SLIB:LOAD-SOURCE "filename")
;;; compiled ;can load compiled files
;(SLIB:LOAD-COMPILED "filename")
vicinity
srfi-59
srfi-96
;; Scheme report features
;; R5RS-compliant implementations should provide all 9 features.
;;; r5rs ;conforms to
eval ;R5RS two-argument eval
values ;R5RS multiple values
dynamic-wind ;R5RS dynamic-wind
;;; macro ;R5RS high level macros
delay ;has DELAY and FORCE
multiarg-apply ;APPLY can take more than 2 args.
;;; char-ready?
rev4-optional-procedures ;LIST-TAIL, STRING-COPY,
;STRING-FILL!, and VECTOR-FILL!
;; These four features are optional in both R4RS and R5RS
multiarg/and- ;/ and - can take more than 2 args.
;;; rationalize
;;; transcript ;TRANSCRIPT-ON and TRANSCRIPT-OFF
with-file ;has WITH-INPUT-FROM-FILE and
;WITH-OUTPUT-TO-FILE
;;; r4rs ;conforms to
;;; ieee-p1178 ;conforms to
;;; r3rs ;conforms to
rev2-procedures ;SUBSTRING-MOVE-LEFT!,
;SUBSTRING-MOVE-RIGHT!,
;SUBSTRING-FILL!,
;STRING-NULL?, APPEND!, 1+,
;-1+, <?, <=?, =?, >?, >=?
;;; object-hash ;has OBJECT-HASH
hash ;HASH, HASHV, HASHQ
full-continuation ;can return multiple times
;;; ieee-floating-point ;conforms to IEEE Standard 754-1985
;IEEE Standard for Binary
;Floating-Point Arithmetic.
;; Other common features
;;; srfi-0 ;srfi-0, COND-EXPAND finds all srfi-*
;;; sicp ;runs code from Structure and
;Interpretation of Computer
;Programs by Abelson and Sussman.
defmacro ;has Common Lisp DEFMACRO
;;; record ;has user defined data structures
string-port ;has CALL-WITH-INPUT-STRING and
;CALL-WITH-OUTPUT-STRING
line-i/o
;;; sort
;;; pretty-print
;;; object->string
;;; format ;Common-lisp output formatting
;;; trace ;has macros: TRACE and UNTRACE
;;; compiler ;has (COMPILER)
;;; ed ;(ED) is editor
system ;posix (system <string>)
;;; getenv ;posix (getenv <string>)
;;; program-arguments ;returns list of strings (argv)
;;; current-time ;returns time in seconds since 1/1/1970
;; Implementation Specific features
logical
random ;Random numbers
array
array-for-each
)))
;;@ (FILE-POSITION <port> . <k>)
(define (file-position port . args)
(if (null? args)
(ftell port)
(seek port (car args) SEEK_SET)))
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(file-position)))
;;; (OUTPUT-PORT-WIDTH <port>)
(define (output-port-width . arg) 79)
;;; (OUTPUT-PORT-HEIGHT <port>)
(define (output-port-height . arg) 24)
;;; (CURRENT-ERROR-PORT)
;;(define current-error-port
;; (let ((port (current-output-port)))
;; (lambda () port)))
;; If the program is killed by a signal, /bin/sh normally gives an
;; exit code of 128+signum. If /bin/sh itself is killed by a signal
;; then we do the same 128+signum here.
;;
;; "status:stop-sig" shouldn't arise here, since system shouldn't be
;; calling waitpid with WUNTRACED, but allow for it anyway, just in
;; case.
(define system
(let ((guile-core-system system))
(lambda (str)
(define st (guile-core-system str))
(or (status:exit-val st)
(+ 128 (or (status:term-sig st)
(status:stop-sig st)))))))
;; This has to be done after the definition so that the original
;; binding will still be visible during the definition.
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(system)))
;;; for line-i/o
(use-modules (ice-9 popen))
(define (system->line command . tmp)
(let ((ipip (open-input-pipe command)))
(define line (read-line ipip))
(let ((status (close-pipe ipip)))
(and (or (eqv? 0 (status:exit-val status))
(status:term-sig status)
(status:stop-sig status))
(if (eof-object? line) "" line)))))
;; rdelim was loaded by default in guile 1.6, but not in 1.8
;; load it to get read-line, read-line! and write-line,
;; and re-export them for the benefit of loading this file from (ice-9 slib)
(cond ((string>=? (scheme-implementation-version) "1.8")
(use-modules (ice-9 rdelim))
(re-export read-line)
(re-export read-line!)
(re-export write-line)))
(define delete-file
(let ((guile-core-delete-file delete-file))
(lambda (filename)
(catch 'system-error
(lambda () (guile-core-delete-file filename) #t)
(lambda args #f)))))
;; This has to be done after the definition so that the original
;; binding will still be visible during the definition.
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(delete-file)))
;;; FORCE-OUTPUT flushes any pending output on optional arg output port
;;; use this definition if your system doesn't have such a procedure.
;;(define (force-output . arg) #t)
;;; CALL-WITH-INPUT-STRING and CALL-WITH-OUTPUT-STRING are the string
;;; port versions of CALL-WITH-*PUT-FILE.
(define (make-exchanger obj)
(lambda (rep) (let ((old obj)) (set! obj rep) old)))
(define open-file
(let ((guile-core-open-file open-file))
(lambda (filename modes)
(guile-core-open-file filename
(if (symbol? modes)
(symbol->string modes)
modes)))))
;; This has to be done after the definition so that the original
;; binding will still be visible during the definition.
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(open-file)))
(define (call-with-open-ports . ports)
(define proc (car ports))
(cond ((procedure? proc) (set! ports (cdr ports)))
(else (set! ports (reverse ports))
(set! proc (car ports))
(set! ports (reverse (cdr ports)))))
(let ((ans (apply proc ports)))
(for-each close-port ports)
ans))
(if (not (defined? 'browse-url))
;; Nothing special to do for this, so straight from
;; Template.scm. Maybe "sensible-browser" for a debian
;; system would be worth trying too (and would be good on a
;; tty).
(define (browse-url url)
(define (try cmd end) (zero? (system (string-append cmd url end))))
(or (try "netscape-remote -remote 'openURL(" ")'")
(try "netscape -remote 'openURL(" ")'")
(try "netscape '" "'&")
(try "netscape '" "'"))))
;;; "rationalize" adjunct procedures.
;;(define (find-ratio x e)
;; (let ((rat (rationalize x e)))
;; (list (numerator rat) (denominator rat))))
;;(define (find-ratio-between x y)
;; (find-ratio (/ (+ x y) 2) (/ (- x y) 2)))
;;; CHAR-CODE-LIMIT is one greater than the largest integer which can
;;; be returned by CHAR->INTEGER.
;; In Guile-1.8.0: (string>? (string #\000) (string #\200)) ==> #t
(if (string=? (version) "1.8.0")
(define char-code-limit 128))
;;; MOST-POSITIVE-FIXNUM is used in modular.scm
;;(define most-positive-fixnum #x0FFFFFFF)
;;; SLIB:EVAL is single argument eval using the top-level (user) environment.
(define slib:eval
(if (string<? (scheme-implementation-version) "1.5")
eval
(let ((ie (interaction-environment)))
(lambda (expression)
(eval expression ie)))))
;;; Define SLIB:EXIT to be the implementation procedure to exit or
;;; return if exiting not supported.
(define slib:exit quit)
(cond ((string>=? (scheme-implementation-version) "1.8")
(define (slib:load-helper loader)
(lambda (name)
(save-module-excursion
(lambda ()
(set-current-module slib-module)
(let ((errinfo (catch 'system-error
(lambda () (loader name) #f)
(lambda args args))))
(if (and errinfo
(catch 'system-error
(lambda () (loader (string-append name ".scm")) #f)
(lambda args args)))
(apply throw errinfo)))))))
(define slib:load (slib:load-helper load))
(define slib:load-from-path (slib:load-helper load-from-path))
)
(else
;;Here for backward compatability
(define scheme-file-suffix
(let ((suffix (case (software-type)
((nosve) "_scm")
(else ".scm"))))
(lambda () suffix)))
(define (guile:wrap-case-insensitive proc)
(lambda args
(save-module-excursion
(lambda ()
(set-current-module slib-module)
(let ((old (read-options)))
(dynamic-wind
(lambda () (read-enable 'case-insensitive))
(lambda () (apply proc args))
(lambda () (read-options old))))))))
(define read (guile:wrap-case-insensitive read))
(define slib:load
(let ((load-file (guile:wrap-case-insensitive load)))
(lambda (<pathname>)
(load-file (string-append <pathname> (scheme-file-suffix))))))
))
;;;(SLIB:LOAD-SOURCE "foo") should load "foo.scm" or with whatever
;;;suffix all the module files in SLIB have. See feature 'SOURCE.
(define slib:load-source slib:load)
;;; (SLIB:LOAD-COMPILED "foo") should load the file that was produced
;;; by compiling "foo.scm" if this implementation can compile files.
;;; See feature 'COMPILED.
(define slib:load-compiled slib:load)
(define defmacro:eval slib:eval)
(define defmacro:load slib:load)
(define (defmacro:expand* x)
(require 'defmacroexpand) (apply defmacro:expand* x '()))
;@
(define gentemp
(let ((*gensym-counter* -1))
(lambda ()
(set! *gensym-counter* (+ *gensym-counter* 1))
(string->symbol
(string-append "slib:G" (number->string *gensym-counter*))))))
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(gentemp)))
;;; If your implementation provides R4RS macros:
(define macro:eval slib:eval)
(define macro:load slib:load-source)
(define slib:warn warn)
(define slib:error error)
;;; define these as appropriate for your system.
(define slib:tab #\tab)
(define slib:form-feed #\page)
;;; {Time}
(define difftime -)
(define offset-time +)
;;; Early version of 'logical is built-in
(define (copy-bit index to bool)
(if bool
(logior to (arithmetic-shift 1 index))
(logand to (lognot (arithmetic-shift 1 index)))))
(define (bit-field n start end)
(logand (- (expt 2 (- end start)) 1)
(arithmetic-shift n (- start))))
(define (bitwise-if mask n0 n1)
(logior (logand mask n0)
(logand (lognot mask) n1)))
(define (copy-bit-field to from start end)
(bitwise-if (arithmetic-shift (lognot (ash -1 (- end start))) start)
(arithmetic-shift from start)
to))
(define (rotate-bit-field n count start end)
(define width (- end start))
(set! count (modulo count width))
(let ((mask (lognot (ash -1 width))))
(define azn (logand mask (arithmetic-shift n (- start))))
(logior (arithmetic-shift
(logior (logand mask (arithmetic-shift azn count))
(arithmetic-shift azn (- count width)))
start)
(logand (lognot (ash mask start)) n))))
(define (log2-binary-factors n)
(+ -1 (integer-length (logand n (- n)))))
(define (bit-reverse k n)
(do ((m (if (negative? n) (lognot n) n) (arithmetic-shift m -1))
(k (+ -1 k) (+ -1 k))
(rvs 0 (logior (arithmetic-shift rvs 1) (logand 1 m))))
((negative? k) (if (negative? n) (lognot rvs) rvs))))
(define (reverse-bit-field n start end)
(define width (- end start))
(let ((mask (lognot (ash -1 width))))
(define zn (logand mask (arithmetic-shift n (- start))))
(logior (arithmetic-shift (bit-reverse width zn) start)
(logand (lognot (ash mask start)) n))))
(define (integer->list k . len)
(if (null? len)
(do ((k k (arithmetic-shift k -1))
(lst '() (cons (odd? k) lst)))
((<= k 0) lst))
(do ((idx (+ -1 (car len)) (+ -1 idx))
(k k (arithmetic-shift k -1))
(lst '() (cons (odd? k) lst)))
((negative? idx) lst))))
(define (list->integer bools)
(do ((bs bools (cdr bs))
(acc 0 (+ acc acc (if (car bs) 1 0))))
((null? bs) acc)))
(define (booleans->integer . bools)
(list->integer bools))
;;;; SRFI-60 aliases
(define arithmetic-shift ash)
(define bitwise-ior logior)
(define bitwise-xor logxor)
(define bitwise-and logand)
(define bitwise-not lognot)
;;(define bit-count logcount)
(define bit-set? logbit?)
(define any-bits-set? logtest)
(define first-set-bit log2-binary-factors)
(define bitwise-merge bitwise-if)
;;; array-for-each
(define (array-indexes ra)
(let ((ra0 (apply make-array '#() (array-shape ra))))
(array-index-map! ra0 list)
ra0))
(define (array:copy! dest source)
(array-map! dest identity source))
(define (array-null? array)
(zero? (apply * (map (lambda (bnd) (- 1 (apply - bnd)))
(array-shape array)))))
;; DIMENSIONS->UNIFORM-ARRAY and list->uniform-array in Guile-1.6.4
;; cannot make empty arrays.
(define make-array
(lambda (prot . args)
(if (array-null? prot)
(dimensions->uniform-array args (array-prototype prot))
(dimensions->uniform-array args (array-prototype prot)
(apply array-ref prot
(map car (array-shape prot)))))))
;; This has to be done after the definition so that the original
;; binding will still be visible during the definition.
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(make-array)))
(define create-array make-array)
(define (make-uniform-wrapper prot)
(if (string? prot) (set! prot (string->number prot)))
(if prot
(if (string<? (version) "1.8")
(lambda opt (if (null? opt)
(list->uniform-array 1 prot (list prot))
(list->uniform-array 0 prot opt)))
(lambda opt (if (null? opt)
(list->uniform-array 1 prot (list prot))
(list->uniform-array 0 prot (car opt)))))
vector))
(define ac64 (make-uniform-wrapper "+i"))
(define ac32 ac64)
(define ar64 (make-uniform-wrapper "1/3"))
(define ar32 (make-uniform-wrapper "1."))
(define as64 vector)
(define as32 (make-uniform-wrapper -32))
(define as16 as32)
(define as8 as32)
(define au64 vector)
(define au32 (make-uniform-wrapper 32))
(define au16 au32)
(define au8 au32)
(define at1 (make-uniform-wrapper #t))
;;; New SRFI-58 names
;; flonums
(define A:floC128b ac64)
(define A:floC64b ac64)
(define A:floC32b ac32)
(define A:floC16b ac32)
(define A:floR128b ar64)
(define A:floR64b ar64)
(define A:floR32b ar32)
(define A:floR16b ar32)
;; decimal flonums
(define A:floR128d ar64)
(define A:floR64d ar64)
(define A:floR32d ar32)
;; fixnums
(define A:fixZ64b as64)
(define A:fixZ32b as32)
(define A:fixZ16b as16)
(define A:fixZ8b as8)
(define A:fixN64b au64)
(define A:fixN32b au32)
(define A:fixN16b au16)
(define A:fixN8b au8)
(define A:bool at1)
;;; And case-insensitive versions
;; flonums
(define a:floc128b ac64)
(define a:floc64b ac64)
(define a:floc32b ac32)
(define a:floc16b ac32)
(define a:flor128b ar64)
(define a:flor64b ar64)
(define a:flor32b ar32)
(define a:flor16b ar32)
;; decimal flonums
(define a:flor128d ar64)
(define a:flor64d ar64)
(define a:flor32d ar32)
;; fixnums
(define a:fixz64b as64)
(define a:fixz32b as32)
(define a:fixz16b as16)
(define a:fixz8b as8)
(define a:fixn64b au64)
(define a:fixn32b au32)
(define a:fixn16b au16)
(define a:fixn8b au8)
(define a:bool at1)
;;; {Random numbers}
(define (make-random-state . args)
(let ((seed (if (null? args) *random-state* (car args))))
(cond ((string? seed))
((number? seed) (set! seed (number->string seed)))
(else (let ()
(require 'object->string)
(set! seed (object->limited-string seed 50)))))
(seed->random-state seed)))
(if (not (defined? 'random:chunk))
(define (random:chunk sta) (random 256 sta)))
;;; workaround for Guile 1.6.7 bug
(cond ((or (array? 'guile) (array? '(1 6 7)))
(define array?
(let ((old-array? array?))
(lambda (obj)
(and (old-array? obj)
(not (or (list? obj)
(symbol? obj)
(record? obj)))))))
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(array?)))))
;;; Support for older versions of Scheme. Not enough code for its own file.
;;(define (last-pair l) (if (pair? (cdr l)) (last-pair (cdr l)) l))
(define t #t)
(define nil #f)
;;; rev2-procedures
(define <? <)
(define <=? <=)
(define =? =)
(define >? >)
(define >=? >=)
(if (string>=? (scheme-implementation-version) "1.8")
(module-replace! (current-module) '(provide provided?)))
(slib:load (in-vicinity (library-vicinity) "require"))
|