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slib portable scheme libraries
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This directory contains the distribution of Scheme Library slib-3b6.
Slib conforms to Revised^5 Report on the Algorithmic Language Scheme
and the IEEE P1178 specification.  Slib supports Unix and similar
systems, VMS, and MS-DOS.

The maintainer can be reached at agj @ alum.mit.edu.
	    http://people.csail.mit.edu/jaffer/SLIB.html

			       MANIFEST

  `README' is this file.  It contains a MANIFEST and INSTALLATION
	INSTRUCTIONS.
  `FAQ' Frequently Asked Questions and answers.
  `ChangeLog' documents changes to slib.
  `slib.texi' has documentation on library packages in TexInfo format.

  `Template.scm' Example configuration file.  Copy and customize to
	reflect your system.
  `bigloo.init' is a configuration file for Bigloo.
  `chez.init' is a configuration file for Chez Scheme.
  `mzscheme.init' is a configuration file for mzscheme.
  `elk.init' is a configuration file for ELK 3.0.
  `gambit.init' is a configuration file for Gambit Scheme.
  `macscheme.init' is a configuration file for MacScheme.
  `mitscheme.init' is a configuration file for MIT Scheme.
  `pscheme.init' is configuration file for PocketScheme 0.2.5 (WinCE SIOD)
  `RScheme.init' is a configuration file for RScheme.
  `scheme2c.init' is a configuration file for DEC's scheme->c.
  `scheme48.init' is a configuration file for Scheme48.
  `scsh.init' is a configuration file for Scheme-Shell
  `scm.init' is a configuration file for SCM.
  `sisc.init' is a configuration file for SISC.
  `t3.init' is a configuration file for T3.1 in Scheme mode.
  `STk.init' is a configuration file for STk.
  `s7.init' is a configuration file for S7, part of Snd sound-editor.
  `umbscheme.init' is a configuration file for umb-scheme.
  `vscm.init' is a configuration file for VSCM.
  `guile-2.init' is a configuration file for Guile version 2.0 or later.
  `guile.init' is a configuration file for older versions of Guile.
  `jscheme.init' is a configuration file for JScheme.
  `kawa.init' is a configuration file for Kawa.
  `mklibcat.scm' builds the *catalog* cache.
  `require.scm' has code which allows system independent access to
	the library files.

  `slib.sh' is a shell script for running various Schemes with SLIB.
  `Bev2slib.scm' Converts Stephen Bevan's "*.map" files to SLIB catalog entries.
  `pp.scm' has pretty-print.
  `ppfile.scm' has pprint-file and pprint-filter-file.
  `obj2str.scm' has object->string.
  `strcase.scm' has functions for manipulating the case of strings.
  `genwrite.scm' has a generic-write which is used by pp.scm,
	pp2str.scm and obj2str.scm
  `format.scm' has Common-Lisp format.
  `formatst.scm' tests format.
  `printf.scm' has printf, fprintf, and sprintf compatible with C.
  `scanf.scm' has scanf, fscanf, and sscanf compatible by C.
  `lineio' has line oriented input/output functions.
  `qp.scm' has printer safe for circular structures.
  `break.scm' has break and continue.
  `trace.scm' has trace and untrace for tracing function execution.
  `debug.scm' has handy higher level debugging aids.
  `strport.scm' has routines for string-ports.
  `strsrch.scm' search for chars or substrings in strings and ports.
  `differ.scm' An O(NP) Sequence Comparison Algorithm.

  `alist.scm' has functions accessing and modifying association lists.
  `hash.scm' defines hash, hashq, and hashv.
  `hashtab.scm' has hash tables.
  `sierpinski.scm' 2-dimensional coordinate hash.
  `phil-spc.scm' Hilbert Space-Filling Curve.
  `peanosfc.scm' Peano Space-Filling Curve.
  `soundex.scm' English name hash.
  `logical.scm' emulates 2's complement logical operations.
  `random.scm' has random number generator compatible with Common Lisp.
  `randinex.scm' has inexact real number distributions.
  `primes.scm' has primes and probably-prime?.
  `factor.scm' has factor.
  `root.scm' has Newton's and Laguerre's methods for finding roots.
  `minimize.scm' has Golden Section Search for minimum value.
  `limit.scm' computes one-sided limits.
  `cring.scm' extend + and * to custom commutative rings.
  `selfset.scm' sets single letter identifiers to their symbols.
  `determ.scm' compute determinant of list of lists.
  `charplot.scm' has procedure for plotting on character screens.
  `grapheps.scm' has procedures for creating PostScript graphs.
  `grapheps.ps' is PostScript runtime support for creating graphs.
  `matfile.scm' reads MAT-File Format version 4 (MATLAB).
  `solid.scm' has VRML97 solid-modeling.
  `colorspc.scm' has CIE and sRGB color transforms.
  `colornam.scm' has color-name database functions.
  `mkclrnam.scm' creates color-name databases.
  `color.scm' has color data-type.
  `cie1931.xyz' CIE XYZ(1931) Spectra from 380.nm to 780.nm.
  `cie1964.xyz' CIE XYZ(1964) Spectra from 380.nm to 780.nm.
  `ciesia.dat' CIE Standard Illuminant A relative spectral power distribution
  `ciesid65.dat' CIE Standard Illuminant D65 relative spectral power distribution
  `daylight.scm' Model of sky colors.
  `getopt.scm' has posix-like getopt for parsing command line arguments.
  `timecore.scm' has shared time conversion routines.
  `psxtime.scm' has Posix time conversion routines.
  `cltime.scm' has Common-Lisp time conversion routines.
  `timezone.scm' has the default time-zone, UTC.
  `tzfile.scm' reads sysV style (binary) timezone file.
  `comparse.scm' has shell-like command parsing.

  `rdms.scm' has code to construct a relational database from a base
	table implementation.
  `alistab.scm' has association list base tables.
  `dbutil.scm' has procedures for creating and opening relational
	databases.
  `dbsyn.scm' has Syntactic extensions for RDMS (within-database).
  `dbcom.scm' embeds *commands* in relational databases.
  `dbinterp.scm' Interpolate function from database table.
  `htmlform.scm' generates HTML-3.2 with forms.
  `db2html.scm' convert relational database to hyperlinked tables and
	pages.
  `http-cgi.scm' serves WWW pages with HTTP or CGI.
  `html4each.scm' parses HTML files.
  `xml-parse.scm' parses XML files.
  `dirs.scm' maps over directory filenames.
  `uri.scm' encodes and decodes Uniform Resource Identifiers.
  `dbrowse.scm' browses relational databases.
  `paramlst.scm' has procedures for passing parameters by name.
  `getparam.scm' has procedures for converting getopt to parameters.
  `manifest.scm' List SLIB module requires and exports; useful for compiling.
  `top-defs.scm' Finds external references.
  `vet.scm' Checks each module imports, exports, and documentation.
  `schmooz.scm' is a simple, lightweight markup language for
	interspersing Texinfo documentation with Scheme source code.
  `glob.scm' has filename matching and manipulation.
  `batch.scm' Group and execute commands on various operating systems.
  `crc.scm' Calculate POSIX.2 checksums and other CRCs.

  `record.scm' a MITScheme user-definable datatypes package
  `promise.scm' has code from R4RS for supporting DELAY and FORCE.

  `repl.scm' has a read-eval-print-loop.
  `defmacex.scm' has defmacro:expand*.
  `mbe.scm' has "Macro by Example" define-syntax.
  `scmacro.scm' is a syntactic closure R4RS macro package.
	r4rsyn.scm, synclo.scm, synrul.scm have syntax definitions
	and support.
  `scmactst.scm' is code for testing SYNTACTIC CLOSURE macros.
  `scainit.scm' is a syntax-case R4RS macro package.
	scaglob.scm scamacr.scm scaoutp.scm scaexpp.scm have
	syntax definitions and support.  `syncase.sh' is a shell
	script for producing the SLIB version from the original.
  `macwork.scm' is a "Macros that work" package.
	mwexpand.scm mwdenote.scm mwsynrul.scm have support.
  `macrotst.scm' is code from R4RS for testing macros.

  `values.scm' is multiple values.
  `queue.scm' has queues and stacks.

  `object.scm' is an object system.
  `yasyn.scm' defines (syntax-rules) macros for object oriented programming.
  `collect.scm' is collection operators (like CL sequences).
  `priorque.scm' has code and documentation for priority queues.
  `wttree.scm' has weight-balanced trees.
  `wttree-test.scm' new test suite.
  `process.scm' has multi-processing primitives.
  `array.scm' has multi-dimensional arrays.
  `subarray.scm' has subarray and accessory procedures.
  `linterp.scm' has interpolate-array-ref and resample-array!.
  `arraymap.scm' has array-map!, array-for-each, and array-indexes.

  `sort.scm' has sorted?, sort, sort!, merge, and merge!.
  `tsort.scm' has topological-sort.
  `comlist.scm' has many common list and mapping procedures.
  `tree.scm' has functions dealing with trees.
  `coerce.scm' has coerce and type-of from Common-Lisp.
  `chap.scm' has functions which compare and create strings in
	"chapter order".

  `sc4opt.scm' has optional rev4 procedures.
  `sc4sc3.scm' has procedures to make a rev3 implementation run rev4
	code.
  `sc2.scm' has rev2 procedures eliminated in subsequent versions.
  `mularg.scm' redefines - and / to take more than 2 arguments.
  `mulapply.scm' redefines apply to take more than 2 arguments.
  `ratize.scm' has function rationalize from Revised^4 spec.
  `trnscrpt.scm' has transcript-on and transcript-off from Revised^4 spec.
  `withfile.scm' has with-input-from-file and with-output-to-file from R4RS.
  `dynwind.scm' has dynamic-wind from R5RS.
  `eval.scm' has eval with environments from R5RS.
  `dwindtst.scm' has routines for characterizing dynamic-wind.
  `dynamic.scm' has DYNAMIC data type [obsolete].
  `fluidlet.scm' has fluid-let syntax (defmacro).
  `fluid-let.scm' has fluid-let syntax.
  `structure.scm' has undocumented syntax-case macros.
  `byte.scm' has arrays of small integers.
  `bytenumb.scm' convert byte-arrays to integers; IEEE floating-point numbers.
  `transact.scm' File locking and backup.
  `pnm.scm' provides a Scheme interface to "portable bitmap" files.
  `simetrix.scm' provides SI Metric Interchange Format.
  `ncbi-dna.scm' reads and manipulates DNA and protein sequences.
  `srfi.scm' implements Scheme Request for Implementation.
  `srfi-N.scm' implements srfi-N.

		      INSTALLATION INSTRUCTIONS

There are five parts to installation:

   * Unpack the SLIB distribution.

   * Install documentation and `slib' script.

   * Configure the Scheme implementation(s) to locate the SLIB directory
     and implementation directories.

   * Arrange for Scheme implementation to load its SLIB initialization
     file.

   * Build the SLIB catalog for the Scheme implementation.

8.1.1 Unpacking the SLIB Distribution
-------------------------------------

If the SLIB distribution is a GNU/Linux RPM, it will create the SLIB
directory `/usr/share/slib'.

  If the SLIB distribution is a ZIP file, unzip the distribution to
create the SLIB directory.  Locate this `slib' directory either in your
home directory (if only you will use this SLIB installation); or put it
in a location where libraries reside on your system.  On unix systems
this might be `/usr/share/slib', `/usr/local/lib/slib', or
`/usr/lib/slib'.  If you know where SLIB should go on other platforms,
please inform agj @ alum.mit.edu.

8.1.2 Install documentation and slib script
-------------------------------------------

     make infoz
     make install

8.1.3 Configure Scheme Implementation to Locate SLIB
----------------------------------------------------

If the Scheme implementation supports `getenv', then the value of the
shell environment variable SCHEME_LIBRARY_PATH will be used for
`(library-vicinity)' if it is defined.  Currently, Bigloo, Chez, Elk,
Gambit, Guile, Jscheme, Larceny, MITScheme, MzScheme, RScheme, STk,
VSCM, and SCM support `getenv'.  Scheme48 supports `getenv' but does
not use it for determining `library-vicinity'.  (That is done from the
Makefile.)

  The `(library-vicinity)' can also be set from the SLIB initialization
file or by implementation-specific means.

  Support for locating an implementation's auxiliary directory is uneven
among implementations.  Also, the person installing SLIB may not have
write permission to some of these directories (necessary for writing
slibcat).  Therefore, those implementations supporting `getenv' (except
SCM and Scheme48) provide a means for specifying the
`implementation-vicinity' through environment variables.  Define the
indicated environment variable to the pathname (with trailing slash or
backslash) of the desired directory.  Do not use `slib/' as an
implementation-vicinity!

Bigloo                 BIGLOO_IMPLEMENTATION_PATH
Chez                   CHEZ_IMPLEMENTATION_PATH
ELK                    ELK_IMPLEMENTATION_PATH
Gambit                 GAMBIT_IMPLEMENTATION_PATH
Guile                  GUILE_IMPLEMENTATION_PATH
Jscheme                JSCHEME_IMPLEMENTATION_PATH
MIT-Scheme             MITSCHEME_IMPLEMENTATION_PATH
MzScheme               MZSCHEME_IMPLEMENTATION_PATH
RScheme                RSCHEME_IMPLEMENTATION_PATH
S7                     S7_IMPLEMENTATION_PATH
STk                    STK_IMPLEMENTATION_PATH
Vscm                   VSCM_IMPLEMENTATION_PATH

8.1.4 Loading SLIB Initialization File
--------------------------------------

Check the manifest in `README' to find a configuration file for your
Scheme implementation.  Initialization files for most IEEE P1178
compliant Scheme Implementations are included with this distribution.

  You should check the definitions of `software-type',
`scheme-implementation-version', `implementation-vicinity', and
`library-vicinity' in the initialization file.  There are comments in
the file for how to configure it.

  Once this is done, modify the startup file for your Scheme
implementation to `load' this initialization file.

8.1.5 Build New SLIB Catalog for Implementation
-----------------------------------------------

When SLIB is first used from an implementation, a file named `slibcat'
is written to the `implementation-vicinity' for that implementation.
Because users may lack permission to write in
`implementation-vicinity', it is good practice to build the new catalog
when installing SLIB.

  To build (or rebuild) the catalog, start the Scheme implementation
(with SLIB), then:

     (require 'new-catalog)

  The catalog also supports color-name dictionaries.  With an
SLIB-installed scheme implementation, type:
     (require 'color-names)
     (make-slib-color-name-db)
     (require 'new-catalog)
     (slib:exit)

8.1.6 Implementation-specific Instructions
------------------------------------------

Multiple implementations of Scheme can all use the same SLIB directory.
Simply configure each implementation's initialization file as outlined
above.

 -- Implementation: SCM
     The SCM implementation does not require any initialization file as
     SLIB support is already built into SCM.  See the documentation
     with SCM for installation instructions.

 -- Implementation: Larceny
     Starting with version 0.96, Larceny contains its own SLIB
     initialization file, loaded by `(require 'srfi-96)'.  If
     SCHEME_LIBRARY_PATH is not set, then Larceny looks for an `slib'
     subdirectory of a directory in the list returned by
     `(current-require-path)'

          larceny -- -e "(require 'srfi-96)"

 -- Implementation: ELK
          elk -i -l ${SCHEME_LIBRARY_PATH}elk.init

 -- Implementation: PLT Scheme
 -- Implementation: DrScheme
 -- Implementation: MzScheme
     The `init.ss' file in the _slibinit_ collection is an SLIB
     initialization file.  To run SLIB in MzScheme:

          mzscheme -f ${SCHEME_LIBRARY_PATH}mzscheme.init

 -- Implementation: MIT Scheme
          scheme -load ${SCHEME_LIBRARY_PATH}mitscheme.init

 -- Implementation: Gambit-C 3.0
          gsi -:s ${SCHEME_LIBRARY_PATH}gambit.init -

 -- Implementation: SISC
          sisc -e "(load \"${SCHEME_LIBRARY_PATH}sisc.init\")" --

 -- Implementation: Kawa
          kawa -f ${SCHEME_LIBRARY_PATH}kawa.init --

 -- Implementation: Guile
     For Guile 1.8 or later, use:
          guile -l ${SCHEME_LIBRARY_PATH}guile.init

     For prehistoric Guile, you may have to remove a prehistoric copy of
     SLIB that was included with Guile:

          rm /usr/share/guile/slib
          ln -s ${SCHEME_LIBRARY_PATH} /usr/share/guile/slib

     In Debian installations:

          rm /usr/share/guile/1.6/slib
          ln -s ${SCHEME_LIBRARY_PATH} /usr/share/guile/1.6/slib

     `${SCHEME_LIBRARY_PATH}' is where SLIB gets installed.

 -- Implementation: Scheme48
     To make a Scheme48 image for an installation under `<prefix>',

       1. `cd' to the SLIB directory

       2. type `make prefix=<prefix> slib48'.

       3. To install the image, type `make prefix=<prefix> install48'.
          This will also create a shell script with the name `slib48'
          which will invoke the saved image.

 -- Implementation: VSCM
     From: Matthias Blume <blume @ cs.Princeton.EDU>
     Date: Tue, 1 Mar 1994 11:42:31 -0500

     Disclaimer: The code below is only a quick hack.  If I find some
     time to spare I might get around to make some more things work.

     You have to provide `vscm.init' as an explicit command line
     argument.  Since this is not very nice I would recommend the
     following installation procedure:

       1. run scheme

       2. `(load "vscm.init")'

       3. `(slib:dump "dumpfile")'

       4. mv dumpfile place-where-vscm-standard-bootfile-resides.  For
          example:

          `mv dumpfile /usr/local/vscm/lib/scheme-boot'

          In this case vscm should have been compiled with flag:

          -DDEFAULT_BOOTFILE='"/usr/local/vscm/lib/scheme-boot"'

          See Makefile (definition of DDP) for details.

			 PORTING INSTRUCTIONS

If there is no initialization file for your Scheme implementation, you
will have to create one.  Your Scheme implementation must be largely
compliant with
  `IEEE Std 1178-1990',
  `Revised(4) Report on the Algorithmic Language Scheme', or
  `Revised(5) Report on the Algorithmic Language Scheme'
in order to support SLIB.

  `Template.scm' is an example configuration file.  The comments inside
will direct you on how to customize it to reflect your system.  Give
your new initialization file the implementation's name with `.init'
appended.  For instance, if you were porting `foo-scheme' then the
initialization file might be called `foo.init'.

  Your customized version should then be loaded as part of your scheme
implementation's initialization.  It will load `require.scm' from the
library; this will allow the use of `provide', `provided?', and
`require' along with the "vicinity" functions.  The rest of the
library will then be accessible in a system independent fashion.

  Please mail new working configuration files to `agj @ alum.mit.edu'
so that they can be included in the SLIB distribution.

			      USING SLIB

  All library packages are written in IEEE P1178 Scheme and assume
that a configuration file and `require.scm' package have already been
loaded.  Other versions of Scheme can be supported in library packages
as well by using, for example, `(provided? 'r3rs)' or `(require 'r3rs)'.

The first chapter of the SLIB manual "The Library System" explains the
mechanics of using SLIB modules.

	      http://people.csail.mit.edu/jaffer/slib_1