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%%
%% This is file `miller.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% miller.dtx (with options: `package')
%%
%% miller package
%%
%% Copyright 2003, 2004 Harald Harders, Bj"orn Pedersen
%%
%% This program can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License Distributed from CTAN
%% archives in directory macros/latex/base/lppl.txt; either
%% version 1.3 of the License, or any later version.
%%
%% h.harders@tu-bs.de
%% bjoern.pedersen@frm2.tum.de
%%
\ProvidesPackage{miller}
[2004/09/20 v1.2 print miller indices]
\newcommand*\millerskip{\,}
\newcommand*\millerminus{\overline}
\def\@millerno#1 #2\@empty{%
\xdef\miller@secondarg{#2}%
\ifx\@empty\miller@secondarg
\@@@millerno#1#2\@empty\@empty\@empty
\else
\@@millerno#1 #2\@empty
\fi
}%
\def\@checkminus#1#2\@empty{%
\ifx-#1%
\begingroup
\edef\@tempa{#2}%
\edef\@tempb{}%
\ifx\@tempa\@tempb
\PackageError{miller}{%
\string\hkl\space command contains a single minus}{No entry of
the \string\hkl\space command may consist only of a minus.}%
#1%
\else
\millerminus{\vphantom{b}#2}%
\fi
\endgroup
\else
#1#2%
\fi
}
\def\@@millerno#1 #2{%
\ifx\@empty#2%
\let\next\relax
\else%
\let\next\@@millerno
\fi%
\@checkminus#1\@empty
\ifx\@empty#2\else\millerskip\fi
\next #2%
}
\def\@@@millerno#1#2#3{%
\ifx-#1
\millerminus{\vphantom{b}#2}%
\def\miller@nextarg{#3}%
\ifx\@empty#3%
\let\next\relax
\@tempswafalse
\ifx-#2 \@tempswatrue\fi
\ifx\@empty#2 \@tempswatrue\fi
\if@tempswa
\PackageError{miller}{%
Last character of \string\hkl\space command is a minus}{The
last character may not be a minus.}%
\fi
\else%
\let\next\@@@millerno
\millerskip
\fi%
\else
#1%
\def\miller@nextarg{#2#3}%
\ifx\@empty#2%
\let\next\relax
\ifx-#1
\PackageError{miller}{%
Last character of \string\hkl\space command is a minus}{The
last character may not be a minus.}%
\fi
\else%
\let\next\@@@millerno
\millerskip
\fi%
\fi
\expandafter\next\miller@nextarg
}
\def\hkleckig[#1]{\ensuremath{[\@millerno#1 \@empty]}}
\def\hklrund(#1){\ensuremath{(\@millerno#1 \@empty)}}
\def\hklspitz<#1>{\ensuremath{\langle\@millerno#1 \@empty\rangle}}
\def\hklgeschweift#1{\ensuremath{\{\@millerno#1 \@empty\}}}
\DeclareRobustCommand*\hkl{%
\@ifnextchar[{\hkleckig}{%
\@ifnextchar({\hklrund}{%
\@ifnextchar<{\hklspitz}{\hklgeschweift}}}}
\endinput
%%
%% End of file `miller.sty'.
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