MATLAB 中的自动定点转换

R2026a

使用 fiaccel 转换为定点

在命令行中使用 fiaccel 将浮点 MATLAB^® 代码转换为定点 MATLAB 代码。

函数

`fiaccel`	Accelerate fixed-point code or convert floating-point MATLAB code to fixed-point MATLAB code
`coder.config`	为定点或单精度转换创建配置对象
`coder.approximation`	Create function replacement configuration object
`coder.allowpcode`	从 P 代码文件控制代码生成
`coder.const`	在生成的代码中将表达式折叠为常量
`coder.extrinsic`	将函数声明为外部函数，并在 MATLAB 中执行它
`coder.float2fixed.skip`	Exclude functions from fixed-point conversion (自 R2024b 起)
`coder.inline`	控制生成代码中当前函数的内联
`coder.inlineCall`	在生成的代码中内联被调函数 (自 R2024a 起)
`coder.load`	在代码生成时从 MAT 文件或 ASCII 文件加载常量
`coder.newtype`	Create `coder.Type` object to represent type of an entry-point function input
`coder.nonInlineCall`	防止在生成的代码中内联被调函数 (自 R2024a 起)
`coder.nullcopy`	在生成的代码中声明未初始化的变量
`coder.resize`	调整 `coder.Type` 对象的大小
`coder.target`	确定代码生成目标是否为指定的目标
`coder.typeof`	创建 `coder.Type` 对象来表示入口函数输入的类型
`coder.unroll`	通过为每次循环迭代生成循环体的副本来展开 `for` 循环
`coder.varsize`	解决大小不兼容性错误并声明上界

`coder.mexconfig`	Code acceleration configuration object for use with `fiaccel`
`coder.FixPtConfig`	Floating-point to fixed-point conversion configuration object
`coder.ArrayType`	表示输入设定可接受的一组 MATLAB 数组
`coder.Constant`	Specification of constant value for code generation
`coder.EnumType`	Represent set of MATLAB enumerations acceptable for input specification
`coder.FiType`	Represent set of MATLAB fixed-point arrays acceptable for input specification
`coder.PrimitiveType`	Represent set of logical, numeric, or character arrays acceptable for input specification
`coder.StructType`	表示输入设定可接受的一组 MATLAB 结构体数组
`coder.Type`	表示输入设定可接受的一组 MATLAB 值

Decide Between Fixed-Point Conversion Workflows
Learn the benefits of each conversion workflow to help you decide which one best fits your application.
Automated Fixed-Point Conversion
Using the command line to perform automated fixed-point conversion.
Automated Fixed-Point Conversion Best Practices
Generate fixed-point code according to best practices.
Default Behaviors of Automated Fixed-Point Conversion
Understand how the default behaviors of automated fixed-point conversion promote efficient code generation.
将定点转换工程转换为 MATLAB 脚本
在命令行中使用工程设置进行定点转换。

MATLAB Language Features Supported for Automated Fixed-Point Conversion
Learn which language features are and are not supported for automated fixed-point conversion.
Fixed-Point Code for MATLAB Classes
Use supported constructs and coding style best practices for fixed-point conversion of MATLAB classes.
System Objects Supported for Automated Fixed-Point Conversion
Use the fiaccel function to automatically propose and apply data types for commonly used system objects.

Specify Type Proposal Options
Specify options when proposing types for automated fixed-point conversion.
Propose Data Types Based on Simulation Ranges Using the fiaccel Function
Propose fixed-point data types based on simulation ranges using the fiaccel function.
Propose Data Types Based on Derived Ranges Using the fiaccel Function
Propose fixed-point data types based on static ranges using the fiaccel function.

Replace a Function with a Lookup Table
Replace a function with a lookup table approximation in fixed-point code generated with 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.
Custom Plot Functions
Visualize numerical differences during fixed-point conversion.

Convert Code Containing Global Variables to Fixed-Point
Convert MATLAB code using global variables to fixed-point.
Convert Code Containing Global Data to Fixed Point
Convert MATLAB code using global variables to fixed-point.
Convert Code Containing Structures to Fixed Point
Convert a MATLAB algorithm containing structures to fixed point.
Convert Identical Functions Called with Different Data Types
Convert a MATLAB algorithm containing specialized functions to fixed point.
Generate Fixed-Point MATLAB Code for Multiple Entry-Point Functions
Generate fixed-point code for multiple entry-point functions.
Convert dsp.FIRFilter Object to Fixed-Point
Convert a dsp.FIRFilter System object™, which filters a high-frequency sinusoid signal, to fixed-point using the fiaccel function.

Detect overflows at the command line.

Highlight potential data type issues in report.