Determine whether fixed-point registered data type is signed or unsigned
extern int ssGetDataTypeFxpIsSigned (SimStruct *S, DTypeId
dataTypeId)
SSimStruct representing an S-function block.
dataTypeIdData type ID of the registered fixed-point data type for which you want to know whether it is signed.
This function determines whether a registered fixed-point data type is signed:
If the fixed-point data type is signed, the function returns
TRUE. If the fixed-point data type is unsigned,
the function returns FALSE.
If the registered data type is ScaledDouble, the
function returns TRUE or FALSE
according to the signedness of the nonoverridden data type.
If the registered data type is single or
double, this function errors out.
This function errors out when ssGetDataTypeIsFxpFltApiCompat returns
FALSE.
To use this function, you must include fixedpoint.h and
fixedpoint.c. For more information, see Structure of the S-Function.
C
FixPt_DataTypeFxpIsSigned