MATLAB: Working with incompatible data types

double uint64 data type

I'm currently working with legacy code (MATLABv2012) with the most current MATLAB version (2013a). In the old code base many calculations of the following form were performed:
c = a + b
where "a" was an uint64 and b was a double. In my MATLAB version this produces following error: Error using + Invalid type of input arguments (should be uint64)
In old MATLAB Versions this was not an error. Is it possible to use the old behavior?

Best Answer

There is no problem in adding uint64 and double, so there must be something else going on. Please show some lines of code that reproduce the error.
>> uint64(532432234) + 3234.51
ans =
              532435469
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