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"random" accepts an 'n' to return between 1 and 'n'.

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Roberto Ierusalimschy
1997-07-30 19:15:18 -03:00
parent 0892f0e5b7
commit caa987faad
2 changed files with 12 additions and 6 deletions
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manual.tex
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@@ -1,4 +1,4 @@
% $Id: manual.tex,v 2.10 1997/07/02 17:09:48 roberto Exp roberto $
% $Id: manual.tex,v 2.11 1997/07/04 22:35:38 roberto Exp roberto $
\documentstyle[fullpage,11pt,bnf]{article}
@@ -38,7 +38,7 @@ Waldemar Celes
\tecgraf\ --- Computer Science Department --- PUC-Rio
}
\date{\small \verb$Date: 1997/07/02 17:09:48 $}
\date{\small \verb$Date: 1997/07/04 22:35:38 $}
\maketitle
@@ -2085,8 +2085,10 @@ Both can be used with an unlimited number of arguments.
The functions \verb|random| and \verb|randomseed| are interfaces to
the simple random generator functions \verb|rand| and \verb|srand|,
provided by ANSI C.
The function \verb|random| returns pseudo-random numbers in the
range \Math{[0,1)}.
The function \verb|random|, when called without arguments,
returns a pseudo-random real number in the range \Math{[0,1)}.
When called with a number \Math{n},
returns a pseudo-random integer in the range \Math{[1,n]}.
\subsection{I/O Facilities} \label{libio}