The Fixed-Point Converter app enables you to convert floating-point MATLAB® code to fixed-point MATLAB code.
Use fiaccel to convert floating-point MATLAB code to fixed-point MATLAB code at the command line.
| Fixed-Point Converter | Convert MATLAB code to fixed point |
fiaccel | Accelerate fixed-point code and convert floating-point MATLAB code to fixed-point MATLAB code |
coder.config | Create configuration object for fixed-point or single-precision conversion |
coder.mexconfig | Code acceleration configuration object |
coder.approximation | Create function replacement configuration object |
coder.allowpcode | Control code generation from protected MATLAB files |
coder.const | Fold expressions into constants in generated code |
coder.extrinsic | Declare extrinsic functions |
coder.inline | Control inlining in generated code |
coder.load | Load compile-time constants from MAT-file or ASCII file into caller workspace |
coder.newtype | Create a coder.Type object to represent the type of an
entry-point function input |
coder.nullcopy | Declare uninitialized variables in code generation |
coder.resize | Resize coder.Type object |
coder.target | Determine if code generation target is specified target |
coder.typeof | Create coder.Type object to represent the type
of an entry-point function input |
coder.unroll | Unroll for-loop by making a copy of
the loop body for each loop iteration |
coder.varsize | Declare variable-size data |
coder.MexConfig | Code acceleration configuration object for use with fiaccel |
coder.FixptConfig | Floating-point to fixed-point conversion configuration object |
coder.ArrayType | Represent set of MATLAB arrays |
coder.Constant | Represent set containing one MATLAB value |
coder.EnumType | Represent set of MATLAB enumerations |
coder.FiType | Represent set of MATLAB fixed-point arrays |
coder.PrimitiveType | Represent set of logical, numeric, or char arrays |
coder.StructType | Represent set of MATLAB structure arrays |
coder.Type | Represent set of MATLAB values |
Decide Which Workflow is Right for Your Application
Learn the benefits of each conversion workflow to help you decide which one best fits your needs.
Fixed-Point Conversion Workflows
Learn which fixed-point conversion method best matches your end goal and your level of fixed-point expertise.
Automated Fixed-Point Conversion
Using the Fixed-Point Converter app for automated fixed-point conversion.
Automated Fixed-Point Conversion Best Practices
Generate fixed-point code according to best practices.
Propose Data Types Based on Simulation Ranges
Propose fixed-point data types based on simulation ranges using the Fixed-Point Converter app.
Propose Data Types Based on Derived Ranges
Propose fixed-point data types based on static ranges using the Fixed-Point Converter app.
Convert Fixed-Point Conversion Project to MATLAB Scripts
Use project settings for fixed-point conversion at the command line.
Specify options when proposing types for automated fixed-point conversion.
View and Modify Variable Information
View and modify variable information for fixed-point conversion.
Detect Dead and Constant-Folded Code
Learn how the app detects dead code or code that is constant folded during simulation of your test file.
Avoid issues with generated fixed-point code.
Replacing Functions Using Lookup Table Approximations
Generate lookup table approximations to replace custom functions or functions that are not supported for fixed point.
Replace the exp Function with a Lookup Table
Replace a function with a lookup table approximation in fixed-point code generated with the Fixed-Point Converter app.
Replace a Custom Function with a Lookup Table
Replace a custom function with a lookup table approximation function by using the Fixed-Point Converter app.
Visualize Differences Between Floating-Point and Fixed-Point Results
Use a custom plot function to compare the behavior of the generated fixed-point code against the behavior of the original floating-point MATLAB code.
Enable Plotting Using the Simulation Data Inspector
Inspect and compare floating-point and fixed-point logged input and output data.
Visualize numerical differences during fixed-point conversion.
Detect overflows using the app.
MATLAB Language Features Supported for Automated Fixed-Point Conversion
Learn which language features are and are not supported for automated fixed-point conversion.
Convert Code Containing Global Variables to Fixed-Point
Convert MATLAB code using global variables to fixed-point using the app.
Convert Code Containing Structures to Fixed Point
Convert a MATLAB algorithm containing structures to fixed point using the Fixed-Point Converter app.
Generate Fixed-Point MATLAB Code for Multiple Entry-Point Functions
Generate fixed-point code for multiple entry-point functions using the Fixed-Point Converter app.
Fixed-Point Code for MATLAB Classes
Use supported constructs and coding style best practices for fixed-point conversion of MATLAB classes.
Convert Code Containing Global Data to Fixed Point
Convert MATLAB code using global variables to fixed-point programmatically.
Convert dsp.FIRFilter Object to Fixed-Point Using the Fixed-Point Converter App
Convert a dsp.FIRFilter
System object™, which filters a high-frequency sinusoid signal, to fixed-point using the Fixed-Point Converter app.
System Objects Supported by Fixed-Point Converter App
Use the Fixed-Point Converter app to automatically propose and apply data types for commonly used system objects.
Propose Data Types Based on Simulation Ranges
Propose fixed-point data types based on simulation ranges using the fiaccel function.
Propose Data Types Based on Derived Ranges
Propose fixed-point data types based on static ranges using the fiaccel function.
Detect overflows at the command line.
Replace the exp Function with a Lookup Table
Replace a function with a lookup table approximation
in fixed-point code generated with the fiaccel function.
Replace a Custom Function with a Lookup Table
Replace a custom function with a lookup table approximation
function by using the fiaccel function.
Enable Plotting Using the Simulation Data Inspector
Inspect and compare floating-point and fixed-point logged input and output data.
Visualize Differences Between Floating-Point and Fixed-Point Results
Use a custom plot function to compare the behavior of the generated fixed-point code against the behavior of the original floating-point MATLAB code.
Avoid issues with generated fixed-point code.
Data Type Issues in Generated Code
Highlight potential data type issues in report.
Debug Numerical Issues in Fixed-Point Conversion Using Variable Logging
Learn how to debug your fixed-point code when you need more than out of the box conversion.
Why Does the Fixed-Point Converter App Not Propose Data Types for System Objects?
Troubleshoot missing data type proposals for System objects.
Slow Operations in the Fixed-Point Converter App
Determine whether code generation readiness screening is causing slow operations in the app.