MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS User's Guide download pdf (Page 128)

3 Writing S-Functions As C-MEX files

3-84

}

#endif /* end mdlZeroCrossings */

/* Function: mdlTerminate =====================================================

* Abstract:

* No termination needed, but we are required to have this routine.

static void mdlTerminate(SimStruct *S)

{

}

#ifdef MATLAB_MEX_FILE /* Is this file being compiled as a MEX-file? */

#include "simulink.c" /* MEX-file interface mechanism */

#else

#include "cg_sfun.h" /* Code generation registration function */

#endif

Example - Time Varying Continuous Transfer

Function

The stvctf S-function is an example of a time varying continuous transfer

function. It demonstrates how to work with the solvers so that the simulation

maintains consistency, which means that block maintains smooth and

consistent signals for the integrators despite the fact that the equations that

are being integrated are changing.

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MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS User's Guide Page 128