% \iffalse meta-comment % % Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 % 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 % http://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} [1995/08/11 v1.1b 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} \maketitle \DocInput{\filename} \end{document} % % \fi % % \CheckSum{40} % % \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} % \begin{macrocode} \def\setlength#1#2{#1#2\relax} % \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@} % % \end{macrocode} % \end{macro} % % \Finale %