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% This macro source file is from the four volume series
% "TeX in Practice" by Stephan von Bechtolsheim, published
% 1993 by Springer-Verlag, New York.
% Copyright 1993 Stephan von Bechtolsheim.
% No warranty or liability is assumed.
% This macro may be copied freely if no fees other than
% media cost or shipping charges are charged and as long
% as this copyright and the following source code itself
% is not changed. Please see the series for further information.
%
% Version: 1.0
% Date: May 1, 1993
%
%
% This source code is documented in 3.3.14, p. I-60.
% Original source in file "reg1.TEX", starting line 1659.
\wlog{L: "valdecpo.tip" ["reg1.TEX," l. 1659, p. I-60]}%
% This file DOES belong to format "texip."
\InputD{imodn.tip}
\InputD{absval.tip}
\InputD{rangetst.tip}
\InputD{doloop.tip}
\catcode`\@ = 11
\newcount\@ValueOfDecimalPosition
\newcount\@ValueOfDecimalPositionLoopCount
\def\ValueOfDecimalPosition #1#2#3{%
\CheckRange{#2}{0}{9}{\string\ValueOfDecimalPosition:
\#2 must be in the range 0 .. 9}%
\AbsoluteValue{#1}{\@ValueOfDecimalPosition}%
\DoLoop{\@ValueOfDecimalPositionLoopCount}{1}{1}{#2}%
{\global\divide\@ValueOfDecimalPosition by 10}%
\IModN{\@ValueOfDecimalPosition}{10}{#3}%
}
\catcode`\@ = 12
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