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Roberto Ierusalimschy 1997-06-18 18:11:53 -03:00
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manual.tex
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@ -1,11 +1,12 @@
% $Id: manual.tex,v 2.0 1997/06/17 18:45:16 roberto Exp roberto $
% $Id: manual.tex,v 2.1 1997/06/18 20:14:52 roberto Exp roberto $
\documentstyle[fullpage,11pt,bnf]{article}
\newcommand{\rw}[1]{{\bf #1}}
\newcommand{\See}[1]{Section~\ref{#1}}
\newcommand{\see}[1]{(see \See{#1})}
\newcommand{\M}[1]{$#1$}
\newcommand{\M}[1]{\emph{#1}}
\newcommand{\Math}[1]{$#1$}
\newcommand{\nil}{{\bf nil}}
\newcommand{\Line}{\rule{\linewidth}{.5mm}}
\def\tecgraf{{\sf TeC\kern-.21em\lower.7ex\hbox{Graf}}}
@ -37,7 +38,7 @@ Waldemar Celes
\tecgraf\ --- Computer Science Department --- PUC-Rio
}
\date{\small \verb$Date: 1997/06/17 18:45:16 $}
\date{\small \verb$Date: 1997/06/18 20:14:52 $}
\maketitle
@ -2024,7 +2025,7 @@ and the part matching \verb|%s*| has number 3.
This library is an interface to some functions of the standard C math library.
In addition, it registers a tag method for the binary operator \verb|^| that
returns \M{x^y} when applied to numbers \verb|x^y|.
returns \Math{x^y} when applied to numbers \verb|x^y|.
The library provides the following functions:
\Deffunc{abs}\Deffunc{acos}\Deffunc{asin}\Deffunc{atan}
@ -2050,7 +2051,7 @@ 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 \M{[0,1)}.
range \Math{[0,1)}.
\subsection{I/O Facilities} \label{libio}
@ -2265,8 +2266,8 @@ lua_Function lua_stackedfunction (int level);
\end{verbatim}
It returns a handle (\verb|lua_Function|) to the {\em activation record\/}
of the function executing at a given level.
Level 0 is the current running function,
while level \M{n+1} is the function that has called level \M{n}.
Level~0 is the current running function,
while level \Math{n+1} is the function that has called level \Math{n}.
When called with a level greater than the stack depth,
\verb|lua_stackedfunction| returns \verb|LUA_NOOBJECT|.