Because single precision numbers use only 32 bits, they require less
memory than double-precision numbers while still offering many of the
benefits of floating point arithmetic. You can convert your
double-precision MATLAB code to single-precision using the
convertToSingle function at the command line.
You can verify the behavior of a single-precision version of your code
without modifying the original algorithm.
To use verification options, create a
coder.SingleConfig object that you pass to
convertToSingle. You can:
Test numerics by running the test file with the single precision types applied.
Compare double precision and single precision test results using the Simulation Data Inspector or your own plotting functions.
If you have a MATLAB Coder™ license, you can:
Generate single-precision C code using the MATLAB Coder app. Use this workflow if your goal is to generate single-precision C code in the most direct way and you do not want to see the intermediate single-precision MATLAB code.
Generate single-precision C code using
codegen with the
-singleC option. Use this workflow
when you want to generate single-precision C code in the
most direct way and you do not want to see the intermediate
single-precision MATLAB code.
Generate single-precision MATLAB code using codegen with a
coder.SingleConfig object. Use this
workflow if you want to see the single-precision MATLAB code or use verification options.
Generate single-precision C code using
codegen with a
coder.SingleConfig object and a code
configuration object. Use this workflow to generate
single-precision C code when you also want to see the
single-precision MATLAB code or use verification options.
convertToSingle | Convert double-precision MATLAB code to single-precision MATLAB code |
coder.config | Create configuration object for fixed-point or single-precision conversion |
coder.SingleConfig | Double-precision to single-precision conversion configuration object |
Generate Single-Precision MATLAB Code
Generate single-precision MATLAB code from double-precision MATLAB code.
MATLAB Language Features Supported for Single-Precision Conversion
Use supported MATLAB language features for single-precision conversion.
Single-Precision Conversion Best Practices
Generate single-precision MATLAB code or single-precision C/C++ code according to best practices.