clqr-characters.tex

   1 % Copyright (C) 2008 Bert Burgemeister
   2 %
   3 % Permission is granted to copy, distribute and/or modify this
   4 % document under the terms of the GNU Free Documentation License,
   5 % Version 1.2 or any later version published by the Free Software
   6 % Foundation; with no Invariant Sections, no Front-Cover Texts and
   7 % no Back-Cover Texts. For details see file COPYING.
   8 %
   9
  10 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  11 \section{Characters}
  12 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  13
  14 \begin{LIST}{1cm}
  15
  16   \IT{\arrGOO{(\FU*{CHARACTERP} \VAR{ foo})\\
  17       (\FU*{STANDARD-CHAR-P} \VAR{ char})}{.}}
  18   {
  19   \retval{\T} if \VAR{foo} is of indicated type.
  20   }
  21
  22   \IT{\arrGOO{(\FU*{GRAPHIC-CHAR-P} \VAR{ char})\\
  23       (\FU*{ALPHA-CHAR-P} \VAR{ char})\\
  24       (\FU*{ALPHANUMERICP} \VAR{ char})}{.}}
  25   {
  26   \retval{\T} if \VAR{char} is visible, alphabetic, or
  27   alphanumeric, respectively.
  28   }
  29
  30   \IT{\arrGOO{(\FU*{UPPER-CASE-P} \VAR{ char})\\
  31       (\FU*{LOWER-CASE-P} \VAR{ char})\\
  32       (\FU*{BOTH-CASE-P} \VAR{ char})}{.}}
  33   {
  34   Return \retval{\T} if \VAR{char} is uppercase, lowercase, or
  35   able to be in another case, respectively.
  36   }
  37
  38   \IT{(\FU*{DIGIT-CHAR-P} \VAR{char} \VAR{radix}\DF{10})}
  39   {
  40   Return \retval{its weight} if \VAR{char} is a digit, or
  41   \retval{\NIL} otherwise.
  42   }
  43
  44   \IT{\arrGOO{(\FU*{CHAR=}\RP{\VAR{
  45           character}})\\(\FU*{CHAR/=}\RP{\VAR{
  46           character}})}{.}}
  47   {
  48   Return \retval{\T} if all \VAR{character}s, or
  49   none, respectively,  are equal.
  50   }
  51
  52   \IT{\arrGOO{(\FU*{CHAR-EQUAL}\RP{\VAR{
  53           character}})\\(\FU*{CHAR-NOT-EQUAL}\RP{\VAR{
  54           character}})}{.}}
  55   {
  56   Return \retval{\T} if all \VAR{character}s, or
  57   none, respectively,  are equal ignoring case.
  58   }
  59
  60   \IT{\arrGOO{(\FU{CHAR\boldmath$>$}\RP{\VAR{
  61           character}})\\(\FU{CHAR\boldmath$>=$}\RP{\VAR{
  62           character}})\\(\FU{CHAR\boldmath$<$}\RP{\VAR{
  63           character}})\\(\FU{CHAR\boldmath$<=$}\RP{\VAR{
  64           character}})}{.}}
  65   {
  66   \index{char>@CHAR$>$}%
  67   \index{char>=@CHAR$>=$}%
  68   \index{char<@CHAR$<$}%
  69   \index{char<=@CHAR$<=$}%
  70   Return \retval{\T} if \VAR{character}s are
  71   monotonically decreasing, monotonically non-increasing, monotonically
  72   increasing, or monotonically non-decreasing, respectively.
  73   }
  74
  75   \IT{\arrGOO{
  76       (\FU*{CHAR-GREATERP}\RP{\VAR{ character}})\\
  77       (\FU*{CHAR-NOT-LESSP}\RP{\VAR{ character}})\\
  78       (\FU*{CHAR-LESSP}\RP{\VAR{ character}})\\
  79       (\FU*{CHAR-NOT-GREATERP}\RP{\VAR{ character}})}{.}}
  80   {
  81   Return \retval{\T} if \VAR{character}s are
  82   monotonically decreasing, monotonically non-increasing, monotonically
  83   increasing, or monotonically non-decreasing, respectively, ignoring case.
  84   }
  85
  86   \IT{\arrGOO{(\FU*{CHAR-UPCASE} \VAR{ character})\\
  87       (\FU*{CHAR-DOWNCASE} \VAR{ character})}{.}}
  88   {
  89   Return corresponding uppercase/lowercase \retval{character}, respectively.
  90   }
  91
  92   \IT{(\FU*{DIGIT-CHAR} \VAR{i} \Op{\VAR{radix}\DF{10}})}
  93   {
  94   \retval{Character} representing digit \VAR{i}.
  95   }
  96
  97   \IT{(\FU*{CHAR-NAME} \VAR{character})}
  98   {
  99     \retval{Name} of \VAR{character} if there is one, or
 100   \retval{\NIL}.
 101   }
 102
 103   \IT{(\FU*{NAME-CHAR} \VAR{name})}
 104   {
 105   \retval{Character} with \VAR{name} if there is one, or
 106   \retval{\NIL}.
 107   }
 108
 109   \IT{\arrGOO{(\FU*{CHAR-INT} \VAR{ character})\\
 110       (\FU*{CHAR-CODE} \VAR{ character})}{.}}
 111   {
 112   \retval{Code} of \VAR{character}.
 113   }
 114
 115   \IT{(\FU*{CODE-CHAR} \VAR{code})}
 116   {
 117   \retval{Character} with \VAR{code}.
 118   }
 119
 120   \IT{\CNS*{CHAR-CODE-LIMIT}}
 121   {
 122   Upper bound of (\FU{CHAR-CODE} \VAR{char}).
 123   }
 124
 125   \IT{(\FU*{CHARACTER} \VAR{c})}
 126   {
 127   Return \retval{\kwd{\#$\backslash$}\VAR{c}}.
 128   }
 129
 130 \end{LIST}
 131
 132