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Diffstat (limited to 'Master/texmf-dist/source/latex-dev/base/ltlength.dtx')
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1 files changed, 167 insertions, 0 deletions
diff --git a/Master/texmf-dist/source/latex-dev/base/ltlength.dtx b/Master/texmf-dist/source/latex-dev/base/ltlength.dtx new file mode 100644 index 00000000000..fab7c6fdd2b --- /dev/null +++ b/Master/texmf-dist/source/latex-dev/base/ltlength.dtx @@ -0,0 +1,167 @@ +% \iffalse meta-comment +% +% Copyright 1993-2016 +% The LaTeX3 Project and any individual authors listed elsewhere +% in this file. +% +% This file is part of the LaTeX base system. +% ------------------------------------------- +% +% It may be distributed and/or modified under the +% conditions of the LaTeX Project Public License, either version 1.3c +% of this license or (at your option) any later version. +% The latest version of this license is in +% https://www.latex-project.org/lppl.txt +% and version 1.3c or later is part of all distributions of LaTeX +% version 2005/12/01 or later. +% +% This file has the LPPL maintenance status "maintained". +% +% The list of all files belonging to the LaTeX base distribution is +% given in the file `manifest.txt'. See also `legal.txt' for additional +% information. +% +% The list of derived (unpacked) files belonging to the distribution +% and covered by LPPL is defined by the unpacking scripts (with +% extension .ins) which are part of the distribution. +% +% \fi +% +% \iffalse +%%% From File: ltlength.dtx +% +%<*driver> +% \fi +\ProvidesFile{ltlength.dtx} + [2015/01/08 v1.1c LaTeX Kernel (Lengths)] +% \iffalse +\documentclass{ltxdoc} +\GetFileInfo{ltlength.dtx} +\title{\filename} +\date{\filedate} + \author{% + Johannes Braams\and + David Carlisle\and + Alan Jeffrey\and + Leslie Lamport\and + Frank Mittelbach\and + Chris Rowley\and + Rainer Sch\"opf} + +\begin{document} + \MaintainedByLaTeXTeam{latex} + \maketitle + \DocInput{\filename} +\end{document} +%</driver> +% \fi +% +% +% \changes{v1.0c}{1994/03/29} +% {Create file ltcntlen from parts of ltmiscen and ltherest.} +% \changes{v1.1a}{1994/05/19} +% {Extract file ltlength from ltcntlen.} +% \changes{v1.1b}{1995/08/11} +% {Doc typos fixed for latex/753} +% +% \section{Lengths} +% +% \DescribeMacro{\newlength} +% Declare |#1| to be a new length command. +% +% \DescribeMacro{\setlength} +% Set the length command, |#1|, to the value |#2|. +% +% \DescribeMacro{\addtolength} +% Increase the value of the length command, |#1|, by the value |#2|. +% +% \DescribeMacro{\settowidth} +% Set the length, |#1| to the width of a box containing |#2|. +% +% \DescribeMacro{\settoheight} +% Set the length, |#1| to the height of a box containing |#2|. +% +% \DescribeMacro{\settodepth} +% Set the length, |#1| to the depth of a box containing |#2|. +% +% \StopEventually{} +% +% \begin{macrocode} +%<*2ekernel> +\message{lengths,} +% \end{macrocode} +% +% \begin{macro}{\newlength} +% \begin{macrocode} +\def\newlength#1{\@ifdefinable#1{\newskip#1}} +% \end{macrocode} +% \end{macro} +% +% \begin{macro}{\setlength} +% \changes{v1.1c}{2015/01/08}{add = to ensure first length argument is terminated. +% (latexrelease)} +% \begin{macrocode} +%</2ekernel> +%<latexrelease>\IncludeInRelease{2015/01/01}% +%<latexrelease> {\setlength}{Using \setlength with \dimen0}% +%<*2ekernel|latexrelease> +% \end{macrocode} +% \begin{macrocode} +\def\setlength#1#2{#1 #2\relax} +%</2ekernel|latexrelease> +%<latexrelease>\EndIncludeInRelease +%<latexrelease>\IncludeInRelease{0000/00/00}% +%<latexrelease> {\setlength}{Using \setlength with \dimen0}% +%<latexrelease>\def\setlength#1#2{#1#2\relax} +%<latexrelease>\EndIncludeInRelease +%<*2ekernel> +% \end{macrocode} +% \end{macro} +% +% \begin{macro}{\addtolength} +% |\relax| added 24 Mar 86 +% \begin{macrocode} +\def\addtolength#1#2{\advance#1 #2\relax} +% \end{macrocode} +% \end{macro} +% +% +% \begin{macro}{\settoheight} +% \changes{LaTeX2e}{1993/11/22}{Macro added} +% \begin{macro}{\settodepth} +% \changes{LaTeX2e}{1993/11/22}{Macro added} +% \begin{macro}{\settowidth} +% \begin{macro}{\@settodim} +% \changes{LaTeX2e}{1993/11/22}{Macro added} +% \changes{v1.0a}{1994/03/07}{(DPC) Extra group for colour} +% The obvious analogs of |\settowidth|. +% \begin{macrocode} +\def\@settodim#1#2#3{\setbox\@tempboxa\hbox{{#3}}#2#1\@tempboxa +% \end{macrocode} +% Clear the memory afterwards (which might be a lot). +% \begin{macrocode} + \setbox\@tempboxa\box\voidb@x} +\def\settoheight{\@settodim\ht} +\def\settodepth {\@settodim\dp} +\def\settowidth {\@settodim\wd} +% \end{macrocode} +% \end{macro} +% \end{macro} +% \end{macro} +% \end{macro} +% +% +% \begin{macro}{\@settopoint} +% This macro takes the contents of the skip register that is +% supplied as its argument and removes the fractional part to make +% it a whole number of points. This can be used in class files to +% avoid values like |345.4666666pt| when calulating a dimension. +% \changes{LaTeX2e}{1993/11/22}{Macro added} +% \begin{macrocode} +\def\@settopoint#1{\divide#1\p@\multiply#1\p@} +%</2ekernel> +% \end{macrocode} +% \end{macro} +% +% \Finale +% |