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version 1.1, 2000/04/24 04:20:11 version 1.2, 2000/04/26 08:18:31
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 % $OpenXM: OpenXM/doc/issac2000/openxm-clients.tex,v 1.12 2000/01/17 07:15:52 noro Exp $  % $OpenXM: OpenXM/doc/calc2000/openxm-clients.tex,v 1.1.1.1 2000/04/24 04:20:11 noro Exp $
   
 \section{OpenXM Clients}  \section{OpenXM Clients}
   
Line 17  and {\tt ox\_get()} for receiving data from a stream.
Line 17  and {\tt ox\_get()} for receiving data from a stream.
   
 Some operations including the reset operation are implemented by  Some operations including the reset operation are implemented by
 combining these primitives.  Among them, frequently used ones are  combining these primitives.  Among them, frequently used ones are
 provided as built-in functions. We show some of them.  provided as built-in functions.
   {\tt ox\_pop\_cmo()} receives the data on the stack of a server.
   {\tt ox\_cmo\_rpc()} requests a server to execute a function.
   {\tt ox\_reset()} completes
   the operations stated in Section \ref{control}.
   {\tt ox\_select()} is provided to detect if streams are ready for
   reading to avoid blocking on read operations.
   
 \begin{itemize}  
 \item {\tt ox\_pop\_cmo()}  
   
 It requests a server to send data on the stack to the stream, then  
 it receives the data from the stream.  
   
 \item {\tt ox\_cmo\_rpc()}  
   
 After pushing the name of a function, arguments and the number of the  
 arguments to the stack of a server, it requests the server to execute  
 the function. It does not wait the termination of the function call.  
   
 \item {\tt ox\_reset()}  
   
 After sending {\tt SM\_control\_reset\_connection} to a control server,  
 it completes the operations stated in Section \ref{control}.  
 \end{itemize}  
 Furthermore {\tt ox\_select()} is provided to detect if streams are ready for  
 reading. It is implemented by the {\tt select()} system call and is used  
 to avoid blocking on read operations.  
   
 \subsection{Mathematica}  \subsection{Mathematica}
   
 We provide an OpenXM client {\tt math2ox} written as an external module  We provide an OpenXM client {\tt math2ox} written as an external module
Line 50  By using the module {\tt math2ox},
Line 35  By using the module {\tt math2ox},
 we can call OpenXM servers from Mathematica;  we can call OpenXM servers from Mathematica;
 here is a demonstration of a computation of the de Rham cohomology groups  here is a demonstration of a computation of the de Rham cohomology groups
 of ${\bf C}^2 \setminus V(x^3-y^2)$ from Mathematica.  of ${\bf C}^2 \setminus V(x^3-y^2)$ from Mathematica.
   
 {\footnotesize  {\footnotesize
 \begin{verbatim}  \begin{verbatim}
 In[1]:= Install["math2ox"]  In[1]:= Install["math2ox"]
 In[2]:= OxStart["../lib/sm1/bin/ox_sm1_forAsir"]  In[2]:= OxStart["../lib/sm1/bin/ox_sm1_forAsir"]
 In[3]:= OxExecute[" [(x^3-y^2) (x,y)] deRham "]  In[3]:= OxExecute[" [(x^3-y^2) (x,y)] deRham "]
 In[4]:= OxPopString[]  In[4]:= OxPopString[]
 Out[4]=  [ 1 , 1 , 0 ]  (* The dimension of  Out[4]=  [ 1 , 1 , 0 ]  (* The dimension of cohomology groups *)
                            cohomology groups *)  
 \end{verbatim}  \end{verbatim}
 }  }
   
   \noindent
 The {\tt math2ox} adds the following functions to Mathematica.  The {\tt math2ox} adds the following functions to Mathematica.
 \begin{quote}  \begin{quote}
 {\tt OxStart[s\_String]},  {\tt OxStart[s\_String]},
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