% This macro source file is from the four volume series
% "TeX in Practice" by Stephan von Bechtolsheim, published
% 1993 by Springer-Verlag, New York.
% Copyright 1993 Stephan von Bechtolsheim.
% No warranty or liability is assumed.
% This macro may be copied freely if no fees other than
% media cost or shipping charges are charged and as long
% as this copyright and the following source code itself
% is not changed. Please see the series for further information.
%
% Version: 1.0
% Date: May 1, 1993
%
%
% This source code is documented in 35.9.3, p. IV-128.
% Original source in file "o2.TEX", starting line 2156.
\wlog{L: "ts-float.tip" ["o2.TEX," l. 2156, p. IV-128]}%
% This file DOES belong to format "texip."
\InputD{dblarg.tip}
\InputD{centpar.tip}
\InputD{futlet.tip}
\InputD{compst.tip}
\InputD{topinfix.tip}
\catcode`\@ = 11
\NewCounter{FigureNo}{\arabic}%
   {\TheCounter{ChapterNo}.\TheCounter{FigureNo}}%
   {\TheCounter{ChapterNo}.\TheCounter{FigureNo}}%
\NewCounter{TableNo}{\arabic}%
   {\TheCounter{ChapterNo}.\TheCounter{TableNo}}%
   {\TheCounter{ChapterNo}.\TheCounter{TableNo}}%
\AddCounterToResetList{FigureNo}{ChapterNo}
\AddCounterToResetList{TableNo}{ChapterNo}
\def\Caption{\DblArg{\@Caption}}
\def\@Caption [#1]#2{%
   \errmessage{\string\@Caption: caption out of place, caption
       text = #1.}%
}
\def\BeginFigure{%
   \DoFutureLet{\ifx}{[}{\@BeginFigure}{\@BeginFigure[t]}%
}
\newif\if@FigureInsertOk
\def\@BeginFigure[#1]{%
   \begingroup
   \def\@UseThisInsert{}%
   \@FigureInsertOkfalse
   \if\StringsEqualConditional{#1}{t}%
       \def\@UseThisInsert{\topinsert}%
       \@FigureInsertOktrue
   \fi
   \if\StringsEqualConditional{#1}{p}%
       \def\@UseThisInsert{\pageinsert}%
       \@FigureInsertOktrue
   \fi
   \if@FigureInsertOk
   \else
       \errmessage{\string\@BeginFigure: illegal argument
           "#1." Use [t] instead.}%
       \def\@UseThisInsert{\topinsert}%
   \fi
   \gdef\FigureCaptionText{}%
   \gdef\FigureCaptionTextLof{}%
   \StepCounter{FigureNo}%
   \def\Label ##1{\@Label{##1}{\RefCounter{FigureNo}}{0}}%
   \def\@Caption [##1]##2{%
       \gdef\FigureCaptionTextLof{##1}%
       \gdef\FigureCaptionText{##2}%
       \wlog{\noexpand\@Caption (figures), caption text saved:
                       ##2.}%
   }%
   \setbox 0 = \vbox\bgroup
}
\def\EndFigure{%
   \egroup
   \@UseThisInsert
       \box0
       \if\EmptyStringConditional{\FigureCaptionText}%
       \else
           \bigskip
           \CenterOrParagraph{%
               \small
               Figure~\PrintCounter{FigureNo}.
               \FigureCaptionText
           }%
           \WriteToAuxSpecial{lof}{1}{\PrintCounter{FigureNo}}%
               {\FigureCaptionTextLof}{\PrintCounter{PageNo}}%
       \fi
   \endinsert
   \endgroup
}
\def\BeginTable{%
   \begingroup
   \gdef\TableCaptionText{}%
   \gdef\TableCaptionTextLot{}%
   \StepCounter{TableNo}%
   \def\Label ##1{\@Label{##1}{\RefCounter{TableNo}}{0}}%
   \def\@Caption [##1]##2{%
       \gdef\TableCaptionText{##2}%
       \gdef\TableCaptionTextLot{##1}%
       \wlog{\noexpand\@Caption for tables: ##2}%
   }%
   \setbox 0 = \vbox\bgroup
}
\def\EndTable{%
   \egroup
   \topinsert
       \if\EmptyStringConditional{\TableCaptionText}%
       \else
           \smallskip
           \CenterOrParagraph{%
               \small
               Table~\PrintCounter{TableNo}.
               \TableCaptionText}%
           \WriteToAuxSpecial{lot}{1}{\PrintCounter{TableNo}}%
               {\TableCaptionTextLot}{\PrintCounter{PageNo}}%
           \smallskip
       \fi
       \box0
   \endinsert
   \endgroup
}
\catcode`\@ = 12