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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 3.3.15, p. I-61.
+% Original source in file "reg1.TEX", starting line 1742.
+\wlog{L: "largdp.tip" ["reg1.TEX," l. 1742, p. I-61]}%
+% This file DOES belong to format "texip."
+\InputD{valdecpo.tip}
+\InputD{absval.tip}
+\catcode`\@ = 11
+\newcount\@LargestDecimalPlaceCount
+\def\LargestDecimalPlace #1#2{%
+ \AbsoluteValue{#1}{\@LargestDecimalPlaceCount}%
+ \wlog{We make progress}%
+ #2 = 0
+ \@LargestDecimalPlaceMore{#2}%
+}
+\def\@LargestDecimalPlaceMore #1{%
+ \wlog{One round: \the#1}%
+ \ifnum\@LargestDecimalPlaceCount < 10
+ \def\@LargestDecimalPlaceMoreNext{}%
+ \else
+ \advance #1 by 1
+ \divide\@LargestDecimalPlaceCount by 10
+ \def\@LargestDecimalPlaceMoreNext{%
+ \@LargestDecimalPlaceMore{#1}%
+ }%
+ \fi
+ \@LargestDecimalPlaceMoreNext
+}
+\catcode`\@ = 12