Use S-Function parameters from dialog box

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Vit Valek
Vit Valek 2018-7-13
Hi,
I have created S-Functions with mdlCheckParameters method. I can insert into dialog box numbers in range (0;Inf). How can I configure mdlCheckParameters to inserting negative and decimal numbers into dialog box?
Here is mdlCheckParameters code:
#define MDL_CHECK_PARAMETERS
#if defined(MDL_CHECK_PARAMETERS) && defined(MATLAB_MEX_FILE)
/* Function: mdlCheckParameters =============================================
* Abstract:
* Validate that the parameter is a positive finite integer scalar
*/
static void mdlCheckParameters(SimStruct *S)
{
int ival;
bool badParam = false;
/* All parameters must be positive non-zero integers */
const mxArray *m = ssGetSFcnParam(S,0);
if (mxGetNumberOfElements(m) != 1 ||
!mxIsNumeric(m) || !mxIsDouble(m) || mxIsLogical(m) ||
mxIsComplex(m) || mxIsSparse(m) || !mxIsFinite(mxGetPr(m)[0])) {
badParam = true;
} else if (((ival=(int_T)mxGetPr(m)[0]) <= 0) ||
(real_T)ival != mxGetPr(m)[0]) {
badParam = true;
}
if (badParam) {
ssSetErrorStatus(S,"The parameter must be a positive non-zero "
"integer value.");
return;
}
}
#endif /* MDL_CHECK_PARAMETERS */
Thanks!
Vit

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