MATLAB 中的自动定点转换

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

决定哪种工作流适合您的应用
了解每种转换工作流的好处，以帮助您确定最适合您需求的工作流。
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 command line to perform automated fixed-point conversion.
Automated Fixed-Point Conversion Best Practices
Generate fixed-point code according to best practices.
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。

Specify Type Proposal Options
Specify options when proposing types for automated fixed-point conversion.
Generated Fixed-Point Code
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.
Custom Plot Functions
Visualize numerical differences during fixed-point conversion.

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.

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.
Detect Overflows
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.

Highlight potential data type issues in report.