%% %% This is file `calc.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% calc.dtx (with options: `package') %% %% This is a generated file. %% %% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 %% The LaTeX3 Project and any individual authors listed elsewhere %% in this file. %% %% This file was generated from file(s) of the Standard LaTeX `Tools Bundle'. %% -------------------------------------------------------------------------- %% %% It may be distributed and/or modified under the %% conditions of the LaTeX Project Public License, either version 1.2 %% 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 1.2 or later is part of all distributions of LaTeX %% version 1999/12/01 or later. %% %% This file may only be distributed together with a copy of the LaTeX %% `Tools Bundle'. You may however distribute the LaTeX `Tools Bundle' %% without such generated files. %% %% The list of all files belonging to the LaTeX `Tools Bundle' is %% given in the file `manifest.txt'. %% %% File `calc.dtx'. %% Copyright (C) 1992--1995 %% Kresten Krab Thorup and Frank Jensen. %% Copyright (C) 1997--1998 %% Kresten Krab Thorup, Frank Jensen and the LaTeX3 Project. %% %% The original authors (fj@hugin.dk and krab@daimi.aau.dk) have %% contributed this package to the LaTeX distribution. %% Problems with this package should now be sent using latexbug.tex to %% the normal LaTeX bug report address. \NeedsTeXFormat{LaTeX2e} \ProvidesPackage{calc} [1998/07/07 v4.1b Infix arithmetic (KKT,FJ)] \def\calc@assign@generic#1#2#3#4{\let\calc@A#1\let\calc@B#2% \expandafter\calc@open\expandafter(#4!% \global\calc@A\calc@B\endgroup#3\calc@B} \def\calc@assign@count{\calc@assign@generic\calc@Acount\calc@Bcount} \def\calc@assign@dimen{\calc@assign@generic\calc@Adimen\calc@Bdimen} \def\calc@assign@skip{\calc@assign@generic\calc@Askip\calc@Bskip} \newcount\calc@Acount \newcount\calc@Bcount \newdimen\calc@Adimen \newdimen\calc@Bdimen \newskip\calc@Askip \newskip\calc@Bskip \def\setcounter#1#2{\@ifundefined{c@#1}{\@nocounterr{#1}}% {\calc@assign@count{\global\csname c@#1\endcsname}{#2}}} \def\addtocounter#1#2{\@ifundefined{c@#1}{\@nocounterr{#1}}% {\calc@assign@count{\global\advance\csname c@#1\endcsname}{#2}}} \DeclareRobustCommand\setlength{\calc@assign@skip} \DeclareRobustCommand\addtolength[1]{\calc@assign@skip{\advance#1}} \def\calc@pre@scan#1{% \ifx(#1% \expandafter\calc@open \else \ifx\widthof#1% \expandafter\expandafter\expandafter\calc@textsize \else \calc@numeric% no \expandafter needed for this one. \fi \fi #1} \def\calc@open({\begingroup\aftergroup\calc@initB \begingroup\aftergroup\calc@initB \calc@pre@scan} \def\calc@initB{\calc@B\calc@A} \def\calc@numeric{\afterassignment\calc@post@scan \global\calc@A} \newcommand\widthof{} \let\widthof\ignorespaces \newcommand\heightof{} \let\heightof\ignorespaces \newcommand\depthof{} \let\depthof\ignorespaces \def\calc@textsize #1#2{% \begingroup \let\widthof\wd \let\heightof\ht \let\depthof\dp \@settodim #1% {\global\calc@A}% {% \let\widthof\ignorespaces \let\heightof\ignorespaces \let\depthof\ignorespaces #2}% \endgroup \calc@post@scan} \def\calc@post@scan#1{% \ifx#1!\let\calc@next\endgroup \else \ifx#1+\let\calc@next\calc@add \else \ifx#1-\let\calc@next\calc@subtract \else \ifx#1*\let\calc@next\calc@multiplyx \else \ifx#1/\let\calc@next\calc@dividex \else \ifx#1)\let\calc@next\calc@close \else \calc@error#1% \fi \fi \fi \fi \fi \fi \calc@next} \def\calc@add{\calc@generic@add\calc@addAtoB} \def\calc@subtract{\calc@generic@add\calc@subtractAfromB} \def\calc@generic@add#1{\endgroup\global\calc@A\calc@B\endgroup \begingroup\aftergroup#1\begingroup\aftergroup\calc@initB \calc@pre@scan} \def\calc@addAtoB{\advance\calc@B\calc@A} \def\calc@subtractAfromB{\advance\calc@B-\calc@A} \ifx\real\@undefined\let\real\relax\fi \ifx\ratio\@undefined\let\ratio\relax\fi \def\calc@ratio@x{\ratio} \def\calc@real@x{\real} \def\calc@multiplyx#1{\def\calc@tmp{#1}% \ifx\calc@tmp\calc@ratio@x \let\calc@next\calc@ratio@multiply \else \ifx\calc@tmp\calc@real@x \let\calc@next\calc@real@multiply \else \let\calc@next\calc@multiply \fi \fi \calc@next#1} \def\calc@dividex#1{\def\calc@tmp{#1}% \ifx\calc@tmp\calc@ratio@x \let\calc@next\calc@ratio@divide \else \ifx\calc@tmp\calc@real@x \let\calc@next\calc@real@divide \else \let\calc@next\calc@divide \fi \fi \calc@next#1} \def\calc@multiply{\calc@generic@multiply\calc@multiplyBbyA} \def\calc@divide{\calc@generic@multiply\calc@divideBbyA} \def\calc@generic@multiply#1{\endgroup\begingroup \let\calc@A\calc@Acount \let\calc@B\calc@Bcount \aftergroup#1\calc@pre@scan} \def\calc@multiplyBbyA{\multiply\calc@B\calc@Acount} \def\calc@divideBbyA{\divide\calc@B\calc@Acount} \def\calc@close {\endgroup\global\calc@A\calc@B \endgroup\global\calc@A\calc@B \calc@post@scan} \def\calc@ratio@multiply\ratio{\calc@ratio@evaluate} \def\calc@ratio@divide\ratio#1#2{\calc@ratio@evaluate{#2}{#1}} \let\calc@numerator=\calc@Bcount \newcount\calc@denominator \def\calc@ratio@evaluate#1#2{% \endgroup\begingroup \calc@assign@dimen\calc@numerator{#1}% \calc@assign@dimen\calc@denominator{#2}% \gdef\calc@the@ratio{}% \ifnum\calc@numerator<0 \calc@numerator-\calc@numerator \gdef\calc@the@ratio{-}% \fi \ifnum\calc@denominator<0 \calc@denominator-\calc@denominator \xdef\calc@the@ratio{\calc@the@ratio-}% \fi \calc@Acount\calc@numerator \divide\calc@Acount\calc@denominator \xdef\calc@the@ratio{\calc@the@ratio\number\calc@Acount.}% \calc@next@digit \calc@next@digit \calc@next@digit \calc@next@digit \calc@next@digit \calc@next@digit \endgroup \calc@multiply@by@real\calc@the@ratio \begingroup \calc@post@scan} \def\calc@next@digit{% \multiply\calc@Acount\calc@denominator \advance\calc@numerator -\calc@Acount \multiply\calc@numerator 10 \calc@Acount\calc@numerator \divide\calc@Acount\calc@denominator \xdef\calc@the@ratio{\calc@the@ratio\number\calc@Acount}} \def\calc@multiply@by@real#1{\calc@Bdimen #1\calc@B \calc@B\calc@Bdimen} \def\calc@real@multiply\real#1{\endgroup \calc@multiply@by@real{#1}\begingroup \calc@post@scan} \def\calc@real@divide\real#1{\calc@ratio@evaluate{1pt}{#1pt}} \def\calc@error#1{% \PackageError{calc}% {`#1' invalid at this point}% {I expected to see one of: + - * / )}} \endinput %% %% End of file `calc.sty'.