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%D \module
%D [ file=supp-ran,
%D version=2008-10-31,
%D title=\CONTEXT\ Support Macros,
%D subtitle=Random Number Generation,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\writestatus{loading}{ConTeXt Support Macros / Random Number Generation}
%D This module is downward compatible in the sense that we've kept the user
%D interface (which uses intermediate variables).
%D
%D \starttyping
%D \type{new}: \dorecurse{10}{\randomnumber{1}{100} }\par
%D \setrandomseed{24}\type{set}: \dorecurse{10}{\randomnumber{1}{100} }\par
%D \setrandomseed{24}\type{set}: \dorecurse{10}{\randomnumber{1}{100} }\par
%D \setrandomseed{24}\type{set}: \dorecurse{10}{\randomnumber{1}{100} }\par
%D \pushrandomseed \type{new}: \dorecurse{10}{\randomnumber{1}{100} }\par
%D \poprandomseed \type{old}: \dorecurse{10}{\randomnumber{1}{100} }\par
%D \type{new}: \dorecurse{10}{\randomnumber{1}{100} }\par
%D \stoptyping
\registerctxluafile{supp-ran}{}
\unprotect
\protected\def\getrandomcount #1#2#3{#1=\clf_getrandomnumber\numexpr#2\relax\numexpr#3\relax\relax}
\protected\def\getrandomdimen #1#2#3{#1=\clf_getrandomdimen\dimexpr#2\relax\dimexpr#3\relax\scaledpoint\relax}
\protected\def\getrandomnumber#1#2#3{\edef#1{\clf_getrandomnumber\numexpr#2\relax\numexpr#3\relax}}
\protected\def\getrandomfloat #1#2#3{\edef#1{\clf_getrandomfloat\dimexpr#2\relax\dimexpr#3\relax}}
\protected\def\setrandomseed #1{\clf_setrandomseed\numexpr#1\relax}
\protected\def\getrandomseed #1{\edef#1{\clf_getrandomseed}}
%protected\def\pushrandomseed {\clf_pushrandomseed}
%protected\def\poprandomseed {\clf_poprandomseed}
%protected\def\reuserandomseed {\clf_reuserandomseed} % within push/pop
\let\freezerandomseed \pushrandomseed
\let\defrostrandomseed\poprandomseed
\def\randomnumber #1#2{\clf_getrandomnumber\numexpr#1\relax\numexpr#2\relax}
\let\mprandomnumber \clf_getmprandomnumber
\protect \endinput
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