Product Documentation

Search MATLAB Documentation
R2011b Documentation → Fixed-Point Toolbox
View documentation for other releases	Learn more about Fixed-Point Toolbox

Contents

Index

• Getting Started

Required Products

Related Products

Getting Help in This Document

Getting Help at the MATLAB Command Line

Displaying the fimath Properties of fi Objects

Hiding the fimath Properties of fi Objects

Shortening the numerictype Display of fi Objects

• User's Guide

• Fixed-Point Concepts

• Working with fi Objects

• Working with fimath Objects

• Working with fipref Objects

• Working with numerictype Objects

• Working with quantizer Objects

• Code Acceleration and Code Generation from MATLAB for Fixed-Point Algorithms

What Are Code Acceleration and Code Generation from MATLAB?

Requirements for Generating MEX Files from MATLAB Algorithms

Functions Supported for Code Acceleration and Code Generation from MATLAB

Workflow for Code Acceleration and Code Generation from MATLAB for Fixed-Point Algorithms

Setting Up a Supported C Compiler to Generate MEX Functions

• Using fiaccel

Speeding Up Fixed-Point Execution with the fiaccel Function

Running fiaccel

Generated Files and Locations

Using Data Type Override with fiaccel

• Setting Up File Infrastructure and Paths

Compile Path Search Order

When to Use the Code Generation Path

Add Files to the Code Generation Path

Adding Folders to Search Paths

Naming Conventions

• Preparing MATLAB Algorithms for Code Generation

Debugging Strategies

Detecting Errors at Design Time

Detecting Errors at Compile Time

• Setting MEX Compilation Options

Working with the MEX Compiler Configuration Object

Modifying Compilation Options at the Command Line Using Dot Notation

MEX Configuration Dialog Box Options

How fiaccel Resolves Conflicting Options

• Specifying Properties of Primary Function Inputs

Why You Must Specify Input Properties

Properties to Specify

Rules for Specifying Properties of Primary Inputs

Methods for Defining Properties of Primary Inputs

Defining Input Properties by Example at the Command Line

• Best Practices for Accelerating Fixed-Point MATLAB Code

Recommended Compilation Options for fiaccel

Using Build Scripts

Using the MATLAB Code Analyzer to Check Code Interactively at Design Time

Separating Your Test Bench from Your Function Code

Preserving Your Code

File Naming Conventions

• Working with Fixed-Point Code Generation Reports

Generating the Code Generation Report

Opening the Code Generation Report

Viewing Your MATLAB Code

Viewing Variables in the Variables Tab

• Generating MEX Functions from MATLAB Code That Uses Global Data

Workflow Overview

Declaring Global Variables

Defining Global Data

Synchronizing Global Data with MATLAB

Limitations of Using Global Data

• Defining Input Properties Programmatically in the MATLAB File

How to Use assert with fiaccel

Rules for Using assert Function

Example: Specifying Properties of Primary Fixed-Point Inputs

Example: Specifying Class and Size of Scalar Structure

Example: Specifying Class and Size of Structure Array

• Controlling Run-Time Checks

Types of Run-Time Checks

When to Disable Run-Time Checks

How to Disable Run-Time Checks

• MATLAB Function Block

Composing a MATLAB Language Function in a Simulink Model

Using the MATLAB Function Block with Data Type Override

Using Fixed-Point Data Types with the MATLAB Function Block

Example: Implementing a Fixed-Point Direct Form FIR Using the MATLAB Function Block

• Interoperability with Other Products

• Property Reference

• Release Notes

Code Acceleration and Code Generation from MATLAB for Fixed-Point Algorithms

quantizer Object Functions

quantizer Object Functions

What Are Code Acceleration and Code Generation from MATLAB?

What Are Code Acceleration and Code Generation from MATLAB?

Free Early Verification Kit

Learn how to apply early verification to your development process through these technical resources.

Get technical kit

Trial software available

How much time do you spend on testing to ensure implementation meets system-level requirements?

© 1984-2012- The MathWorks, Inc. - Site Help - Patents - Trademarks - Privacy Policy - Preventing Piracy - RSS