version 1.6, 2000/01/16 03:15:49 |
version 1.10, 2000/01/17 01:24:27 |
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% $OpenXM: OpenXM/doc/issac2000/openxm-clients.tex,v 1.5 2000/01/15 06:26:06 takayama Exp $ |
% $OpenXM: OpenXM/doc/issac2000/openxm-clients.tex,v 1.9 2000/01/17 00:48:06 takayama Exp $ |
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\section{OpenXM Clients} |
\section{OpenXM Clients} |
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Line 28 are provided to execute these primitive operations: |
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Line 28 are provided to execute these primitive operations: |
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{\tt ox\_push\_cmd()} for sending an {\tt SM} command to a server |
{\tt ox\_push\_cmd()} for sending an {\tt SM} command to a server |
and {\tt ox\_get()} for receiving data from a stream. |
and {\tt ox\_get()} for receiving data from a stream. |
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Some operations including the reset operation are realized 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 several ones. |
provided as built-in functions. We show some of them. |
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\begin{itemize} |
\begin{itemize} |
\item {\tt ox\_pop\_cmo()} |
\item {\tt ox\_pop\_cmo()} |
Line 49 the function. It does not wait the termination of the |
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Line 49 the function. It does not wait the termination of the |
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After sending {\tt SM\_control\_reset\_connection} to a control server, |
After sending {\tt SM\_control\_reset\_connection} to a control server, |
it completes the operations stated in Section \ref{control}. |
it completes the operations stated in Section \ref{control}. |
\end{itemize} |
\end{itemize} |
Furthermore {\tt ox\_select()} is provided to detect streams ready for |
Furthermore {\tt ox\_select()} is provided to detect if streams are ready for |
reading. It is realized by the {\tt select()} system call and is used |
reading. It is implemented by the {\tt select()} system call and is used |
to avoid blocking on read operations. |
to avoid blocking on read operations. |
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\subsection{Mathematica} |
\subsection{Mathematica} |
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We provide an OpenXM client {\tt math2ox} written as an external module |
We provide an OpenXM client {\tt math2ox} written as an external module |
for Mathematica. Our client communicates with Mathematica by MathLink and |
for Mathematica. |
with an OpenXM server by OpenXM protocols. |
The module {\tt math2ox} communicates with Mathematica by MathLink and |
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with any OpenXM server by the OpenXM protocol. |
By using the module {\tt math2ox}, |
By using the module {\tt math2ox}, |
we can call OpenXM servers from Mathematica; |
we can call OpenXM servers from Mathematica; |
here is an example of a computation of the de Rham cohomology groups |
here is a demonstration of a computation of the de Rham cohomology groups |
of ${\bf C}^2 \setminus V(x^3-y^2)$. |
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 ] |
Out[4]= [ 1 , 1 , 0 ] (* The dimension of |
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cohomology groups *) |
\end{verbatim} |
\end{verbatim} |
} |
} |
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\subsubsection{Functions} |
The {\tt math2ox} adds the following functions to Mathematica. |
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The {\tt math2ox} has the following functions. |
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\begin{quote} |
\begin{quote} |
{\tt OxStart[s\_String]} \\ |
{\tt OxStart[s\_String]} \\ |
{\tt OxStartInsecure[s\_String]} \\ |
{\tt OxStartInsecure[s\_String]} \\ |
Line 86 The {\tt math2ox} has the following functions. |
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Line 86 The {\tt math2ox} has the following functions. |
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{\tt OxClose[]} \\ |
{\tt OxClose[]} \\ |
{\tt OxReset[]} |
{\tt OxReset[]} |
\end{quote} |
\end{quote} |
For example, {\tt OxPopCMO[]} executes the same operation |
Although the list of functions speaks itself, |
as {\tt ox\_pop\_cmo()} in Risa/Asir. |
we add some explanations. |
By using the {\tt OxParse[]} function, one can send suitable OX messages, |
The function {\tt OxPopCMO[]} executes the same operation |
written by the OX expression, to a server. OX expressions are |
as {\tt ox\_pop\_cmo()} in Risa/Asir; |
Lisp-like expressions for OX messages and are defined |
it pops data from the server stack. |
in~\cite{noro-takayama}. |
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The {\tt OxGet[]} receives an OX data message |
The {\tt OxGet[]} receives an OX data message |
and returns its translation to an local object. |
and returns its translation to an local object. |
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The function {\tt OxParse[]} helps debugging to connect Mathematica |
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and ox servers. |
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By using the function, one can send OX messages, |
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written by the OX expression, to a server. |
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OX expressions are Lisp-like expressions for OX messages and are defined |
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in~\cite{noro-takayama}. |