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SWIG MATLAB Module
June 23, 1997
This is a *highly* experimental language module that allows SWIG to
create native MATLAB cmex wrappers. That is, you can take a C library
and turn it into a working MATLAB module.
At this time, this module has only been tested with MATLAB 5.0 under
Windows NT-4.0. You mileage may vary.
How to compile
--------------
1. Compile the SWIG MATLAB module. This results in an executable
called 'swigmatlab'.
2. Run swigmatlab on your interface files :
swigmatlab example.i
3. Compile your module using the MATLAB mex compile. For example :
mex example.c example_wrap.i
How to use
----------
In MATLAB, you can initialize the module by typing
MATLAB >> example
Due to the way in which cmex files are constructed, all of the methods
in your module need to be accessed by name as in :
MATLAB >> example('fact', 4)
ans =
24
MATLAB >>
Constants are created by making new MATLAB variables. You should
be able to access them like any other variable.
C variables are access using get/set methods as in :
MATLAB >> example('my_variable_set',42)
MATLAB >> a = example('my_variable_get')
C pointers are mapped to strings exactly as in the Tcl and Python
modules. No special processing is applied.
Limitations
-----------
No support for C arrays or mapping between MATLAB matrices and
arrays has been implemented yet.
Documentation support hasn't been added yet.
This module is essentially untested.
Customization
-------------
You are encouraged to customize this module to make it better. To do
this, consider modifying the file 'matlab.map'. This file contains
all of the processing that SWIG is applying to build the MATLAB
module. You can customize this file in almost any way--including
giving SWIG the ability to interact with MATLAB matrices and other
complex objects.
Note : It may be possible to use this module with MATLAB 4.2 using
a careful set of C preprocessor macros to remap the MATLAB 5.0 names
into MATLAB 4.2 names. This has not been tested.
Future plans
------------
Eventually this module may turn into a 'real' SWIG module that is
built with the other modules. For now, however, it remains
experimental and under development.
Files
-----
matlab.h - Header file for the MATLAB module
matlab.cxx - C++ implementation of the module
main.cxx - SWIG main program
matlab.map - Typemap file describing how to map C objects to
and from MATLAB objects.
mlinit.swg - Configuration code used by the module to initialize
a module and parse commands.
mlheader.swg - Configuration file containing the header files needed
to build a MATLAB module.
Makefile - Makefile for UNIX
Makefile.msc - Makefile for Windows NT
example.i - Very simple test code
test.m - Test .m file for testing the module.
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