vector.sty

%%
%% This is file `vector.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% vector.dtx  (with options: `package')
%% 
%% Copyright (C) 1994 by Nick Efford
%% 
%% This file is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{vector}[1994/09/16 v1.0 vector macros for LaTeX2e (nde)]
\RequirePackage{ifthen}
\RequirePackage{calc}
\newboolean{@wavy}
\DeclareOption{wavy}{\setboolean{@wavy}{true}}
\ProcessOptions
\newcommand{\bvec}[1]{\ensuremath{\mathbf{#1}}}
\newcommand{\buvec}[1]{\ensuremath{\mathbf{\hat{#1}}}}
\newcommand{\svec}[1]{\ensuremath{\mathsf{#1}}}
\newcommand{\suvec}[1]{\ensuremath{\mathsf{\hat{#1}}}}
\ifthenelse{\boolean{@wavy}}{%
  \PackageInfo{vector}{wavy underlining selected}
  \newcommand{\undertilde}[1]{\mathord{\vtop{\ialign{##\crcr
    $\hfil\displaystyle{#1}\hfil$\crcr\noalign{\kern1.5pt\nointerlineskip}
    $\hfil\tilde{}\hfil$\crcr\noalign{\kern1.5pt}}}}}
  \newcommand{\uvec}[1]{\ensuremath{\undertilde{#1}}}
  \newcommand{\uuvec}[1]{\ensuremath{\hat{\undertilde{#1}}}}}{%
  \newcommand{\uvec}[1]{\ensuremath{\underline{#1}}}
  \newcommand{\uuvec}[1]{\ensuremath{\hat{\underline{#1}}}}}
\def\first@element{1}
\newcommand{\firstelement}[1]{\def\first@element{#1}}
\newcommand{\irvec}[2][n]{\ensuremath{{#2}_{\first@element},\ldots,{#2}_{#1}}}
\newcommand{\icvec}[2][n]{%
  \begin{array}{c}
    {#2}_{\first@element}\\ \vdots\\ {#2}_{#1}
  \end{array}}
\newcounter{vec@elem}
\newcommand{\rvec}[3]{%
  \ensuremath{%
    \ifthenelse{#3 > #2}{%
      \setcounter{vec@elem}{#2}
      \whiledo{\value{vec@elem} < #3}%
        {{#1}_{\thevec@elem}, \stepcounter{vec@elem}}%
      {#1}_{#3}}{{#1}_{#2}}}}
\newcommand{\cvec}[3]{%
  \ifthenelse{#3 > #2}{%
    \setcounter{vec@elem}{#2}
    \begin{array}{c}
      \whiledo{\value{vec@elem} < #3}%
        {{#1}_{\thevec@elem} \\ \stepcounter{vec@elem}}%
      {#1}_{#3}
    \end{array}}{{#1}_{#2}}}
\endinput
%%
%% End of file `vector.sty'.