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authorKarl Berry <karl@freefriends.org>2006-01-12 23:56:09 +0000
committerKarl Berry <karl@freefriends.org>2006-01-12 23:56:09 +0000
commit3c45ead856093bda97671c92bbc3fa9768918e91 (patch)
tree7cd45d8624b1693f5f61f9221074075d817feab2 /Master/texmf-dist/tex/latex/fp/fp-addons.sty
parentf608edbff24385a77c97e230f31fe5c1fb422a71 (diff)
fp
git-svn-id: svn://tug.org/texlive/trunk@939 c570f23f-e606-0410-a88d-b1316a301751
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+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{fp-addons}[1995/03/15]
+
+\def\FP@addonsversion{0.1}
+\message{%
+ `Fixed Point Arithmetic Addons',\space%
+ Version \FP@addonsversion\space%
+ \space(C) Michael Mehlich%
+ \space\space\space\space\space\space\space%
+ \space\space\space\space\space\space\space%
+}
+
+%%%public area (macros which may be used)%%%
+
+\def\FPmin#1#2#3{\FP@min#1{#2}{#3}} % #1:=min(#2,#3)
+\def\FPmax#1#2#3{\FP@max#1{#2}{#3}} % #1:=max(#2,#3)
+
+%%%private fp-area (don't use these macros)%%%
+
+%compute minimum of two values
+\def\FP@min#1#2#3{%
+ % #1 macro, which gets the result
+ % #2 value one
+ % #3 value two
+ \FP@beginmessage{MIN}%
+ %
+ {\def\FP@beginmessage##1{}%
+ \def\FP@endmessage##1{}%
+ %
+ \FPiflt{#2}{#3}%
+ \edef\FP@tmp{#2}%
+ \else%
+ \edef\FP@tmp{#3}%
+ \fi%
+ %
+ \global\let\FP@tmp\FP@tmp%
+ }%
+ %
+ \FP@endmessage{}%
+ %
+ \let#1\FP@tmp%
+}
+
+%compute maximum of two values
+\def\FP@max#1#2#3{%
+ % #1 macro, which gets the result
+ % #2 value one
+ % #3 value two
+ \FP@beginmessage{MAX}%
+ %
+ {\def\FP@beginmessage##1{}%
+ \def\FP@endmessage##1{}%
+ %
+ \FPifgt{#2}{#3}%
+ \edef\FP@tmp{#2}%
+ \else%
+ \edef\FP@tmp{#3}%
+ \fi%
+ %
+ \global\let\FP@tmp\FP@tmp%
+ }%
+ %
+ \FP@endmessage{}%
+ %
+ \let#1\FP@tmp%
+}