Hi,
I understand that you want to know the datatype of ‘Rail_numRev+1*Epm_nEng10ms’ in the following equation:-
Rail_numRev=uint32(Rail_numRev+1*Epm_nEng10ms);
Since ‘Rail_numRev’ is defined as uint32, it is an unsigned 32-bit integer. The data type of ‘Epm_nEng10ms’ is defined using the ‘fidxt’ function. Although the ‘fidxt’ function is not explicitly defined in the code you have shared, but seeing its definition it appears that it returns a fixed-point data type with word length of 16 bit. Assuming that ‘fidxt’ returns a fixed-point data type, then ‘Epm_nEng10ms’ would also be a 16-bit word length fixed-point data type.
When ‘Rail_numRev’ (an unsigned integer) is added to ‘1*Epm_nEng10ms’ (a fixed-point data type) the result should be a fixed-point data type. This can be verified by using ‘class’ function as follows:-
class(Rail_numRev+1*Epm_nEng10ms);
For more information on identifying the data type of a variable, please refer to the following documentation link:-
I hope it resolves your query.
