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annotate lisp/iso8859-1.el @ 4678:b5e1d4f6b66f

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Make #'floor, #'ceiling, #'round, #'truncate conform to Common Lisp. lisp/ChangeLog addition: 2009-08-11 Aidan Kehoe <kehoea@parhasard.net> * cl-extra.el (ceiling*, floor*, round*, truncate*): Implement these in terms of the C functions; mark them as obsolete. (mod*, rem*): Use #'nth-value with the C functions, not #'nth with the CL emulation functions. man/ChangeLog addition: 2009-08-11 Aidan Kehoe <kehoea@parhasard.net> * lispref/numbers.texi (Bigfloat Basics): Correct this documentation (ignoring for the moment that it breaks off in mid-sentence). tests/ChangeLog addition: 2009-08-11 Aidan Kehoe <kehoea@parhasard.net> * automated/lisp-tests.el: Test the new Common Lisp-compatible rounding functions available in C. (generate-rounding-output): Provide a function useful for generating the data for the rounding functions tests. src/ChangeLog addition: 2009-08-11 Aidan Kehoe <kehoea@parhasard.net> * floatfns.c (ROUNDING_CONVERT, CONVERT_WITH_NUMBER_TYPES) (CONVERT_WITHOUT_NUMBER_TYPES, MAYBE_TWO_ARGS_BIGNUM) (MAYBE_ONE_ARG_BIGNUM, MAYBE_TWO_ARGS_RATIO) (MAYBE_ONE_ARG_RATIO, MAYBE_TWO_ARGS_BIGFLOAT) (MAYBE_ONE_ARG_BIGFLOAT, MAYBE_EFF, MAYBE_CHAR_OR_MARKER): New macros, used in the implementation of the rounding functions. (ceiling_two_fixnum, ceiling_two_bignum, ceiling_two_ratio) (ceiling_two_bigfloat, ceiling_one_ratio, ceiling_one_bigfloat) (ceiling_two_float, ceiling_one_float, ceiling_one_mundane_arg) (floor_two_fixnum, floor_two_bignum, floor_two_ratio) (floor_two_bigfloat, floor_one_ratio, floor_one_bigfloat) (floor_two_float, floor_one_mundane_arg, round_two_fixnum) (round_two_bignum_1, round_two_bignum, round_two_ratio) (round_one_bigfloat_1, round_two_bigfloat, round_one_ratio) (round_one_bigfloat, round_two_float, round_one_float) (round_one_mundane_arg, truncate_two_fixnum) (truncate_two_bignum, truncate_two_ratio, truncate_two_bigfloat) (truncate_one_ratio, truncate_one_bigfloat, truncate_two_float) (truncate_one_float, truncate_one_mundane_arg): New functions, used in the implementation of the rounding functions. (Fceiling, Ffloor, Fround, Ftruncate, Ffceiling, Fffloor) (Ffround, Fftruncate): Revise to fully support Common Lisp conventions. This means: -- All functions have optional DIVISOR arguments -- All functions return multiple values; see #'values -- All functions do their arithmetic with the correct number types according to the contamination rules. -- #'round and #'fround always round towards the even number in ambiguous cases. * doprnt.c (emacs_doprnt_1): * number.c (internal_coerce_number): Call Ftruncate with two arguments, not one. * floatfns.c (Ffloat): Correct this, if NUMBER is a bignum. * lisp.h: Declare Ftruncate as taking two arguments. * number.c: Provide scratch_ratio2, init it appropriately. * number.h: Make scratch_ratio2 available. * number.h (BIGFLOAT_ARITH_RETURN): * number.h (BIGFLOAT_ARITH_RETURN1): Correct these functions.
author Aidan Kehoe <kehoea@parhasard.net>
date Tue, 11 Aug 2009 17:59:23 +0100
parents 0cee1ff42db4
children 57a64ab2ae45 308d34e9f07d
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1 ;;; iso8859-1.el --- Set case table for Latin 1
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3 ;; Copyright (C) 1992, 1997, 2006 Free Software Foundation, Inc.
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4
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5 ;; Author: Jamie Zawinski <jwz@jwz.org>
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6 ;; Created: 19-aug-92
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7 ;; Maintainer: XEmacs Development Team
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8 ;; Keywords: internal, dumped
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9
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10 ;; This file is part of XEmacs.
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11
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12 ;; XEmacs is free software; you can redistribute it and/or modify it
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13 ;; under the terms of the GNU General Public License as published by
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14 ;; the Free Software Foundation; either version 2, or (at your option)
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15 ;; any later version.
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16
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17 ;; XEmacs is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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24 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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25 ;; 02111-1307, USA.
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27 ;;; Synched up with: Not in FSF.
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28
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29 ;;; Commentary:
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31 ;; Sets the case table for the ISO-8859/1 character set.
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32 ;; Provides ascii-case-table, for use in environments where multilingual
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33 ;; case-insensitive processing is inappropriate.
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34
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35 ;;; Code:
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36
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37 (defvar ascii-case-table
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38 (loop
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39 for lower from (char-int ?a) to (char-int ?z)
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40 and upper from (char-int ?A) to (char-int ?Z)
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41 with table = (make-case-table)
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42 do (put-case-table-pair (coerce upper 'character)
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43 (coerce lower 'character)
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44 table)
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45 finally return table)
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46 "Case table for the ASCII character set.")
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48 (loop
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49 for (upper lower)
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50 in '((?\xC0 ?\xE0) ;; A WITH GRAVE
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51 (?\xC1 ?\xE1) ;; A WITH ACUTE
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52 (?\xC2 ?\xE2) ;; A WITH CIRCUMFLEX
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53 (?\xC3 ?\xE3) ;; A WITH TILDE
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54 (?\xC4 ?\xE4) ;; A WITH DIAERESIS
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55 (?\xC5 ?\xE5) ;; A WITH RING ABOVE
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56 (?\xC6 ?\xE6) ;; AE
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57 (?\xC7 ?\xE7) ;; C WITH CEDILLA
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58 (?\xC8 ?\xE8) ;; E WITH GRAVE
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59 (?\xC9 ?\xE9) ;; E WITH ACUTE
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60 (?\xCA ?\xEA) ;; E WITH CIRCUMFLEX
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61 (?\xCB ?\xEB) ;; E WITH DIAERESIS
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62 (?\xCC ?\xEC) ;; I WITH GRAVE
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63 (?\xCD ?\xED) ;; I WITH ACUTE
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64 (?\xCE ?\xEE) ;; I WITH CIRCUMFLEX
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65 (?\xCF ?\xEF) ;; I WITH DIAERESIS
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66 (?\xD0 ?\xF0) ;; ETH
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67 (?\xD1 ?\xF1) ;; N WITH TILDE
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68 (?\xD2 ?\xF2) ;; O WITH GRAVE
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69 (?\xD3 ?\xF3) ;; O WITH ACUTE
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70 (?\xD4 ?\xF4) ;; O WITH CIRCUMFLEX
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71 (?\xD5 ?\xF5) ;; O WITH TILDE
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72 (?\xD6 ?\xF6) ;; O WITH DIAERESIS
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73 (?\xD8 ?\xF8) ;; O WITH STROKE
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74 (?\xD9 ?\xF9) ;; U WITH GRAVE
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75 (?\xDA ?\xFA) ;; U WITH ACUTE
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76 (?\xDB ?\xFB) ;; U WITH CIRCUMFLEX
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77 (?\xDC ?\xFC) ;; U WITH DIAERESIS
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78 (?\xDD ?\xFD) ;; Y WITH ACUTE
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79 (?\xDE ?\xFE)) ;; THORN
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80 with case-table = (standard-case-table)
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81 do (put-case-table-pair upper lower case-table))
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83 ;; Everything Latin-1 and above should be displayed as its character value
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84 ;; by default.
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85 (setq-default ctl-arrow #xA0)
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87 ;; Shouldn't be necessary, but one file in the packages uses it:
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88 (provide 'iso8859-1)
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90 ;;; iso8859-1.el ends here