Fixed-Point Designer™ supports the following MATLAB® language features in automated fixed-point conversion:
N-dimensional arrays
Matrix operations, including deletion of rows and columns
Variable-sized data (see Generate Code for Variable-Size Data). Range computation for variable–sized data is supported via simulation mode only. Variable-sized data is not supported for comparison plotting.
Subscripting (see Incompatibility with MATLAB in Matrix Indexing Operations for Code Generation)
Complex numbers (see Code Generation for Complex Data)
Numeric classes (see Supported Variable Types)
Double-precision, single-precision, and integer math
Fixed-point arithmetic (see Code Acceleration and Code Generation from MATLAB)
Program control statements if, switch, for, while,
and break
Arithmetic, relational, and logical operators
Local functions
Global variables
Persistent variables
Structures, including arrays of structures. Range computation for structures is supported via simulation mode only.
Characters
The complete set of Unicode® characters is not supported for code generation. Characters are restricted to 8 bits of precision in generated code. Because many mathematical operations require more than 8 bits of precision, it is recommended that you do not perform arithmetic with characters if you intend to convert your MATLAB algorithm to fixed point.
MATLAB classes. Range computation for MATLAB classes is supported via simulation mode only.
Automated conversion supports:
Class properties
Constructors
Methods
Specializations
It does not support class inheritance or packages. For more information, see Fixed-Point Code for MATLAB Classes.
Ability to call functions (see Resolution of Function Calls for Code Generation)
Subset of MATLAB toolbox functions (see Functions Supported for Code Acceleration or C Code Generation).
Subset of DSP System Toolbox™ System objects.
The DSP System Toolbox System objects supported for automated conversion are: