Learn more about Fixed-Point Toolbox

Version 1.0 (R14) Fixed-Point Toolbox Software

This table summarizes what's new in Version 1.0 (R14):

New Features and Changes	Version Compatibility Considerations	Fixed Bugs and Known Problems	Related Documentation at Web Site
Yes Details below	No	No bug fixes	No

Fixed-Point Toolbox software provides fixed-point data types in MATLAB and enables algorithm development by providing fixed-point arithmetic. The toolbox enables you to create the following types of objects:

• fi — Defines a fixed-point numeric object in the MATLAB workspace. Each fi object is composed of value data, a fimath object, and a numerictype object

• fimath — Governs how overloaded arithmetic operators work with fi objects

• fipref — Defines the display attributes for fi objects

• numerictype — Defines the data type and scaling attributes of fi objects

• quantizer — Quantizes data sets

Features

Fixed-Point Toolbox software provides you with

• The ability to define fixed-point data types, scaling, and rounding and overflow methods in the MATLAB workspace

• Bit-true real and complex simulation

• Basic fixed-point arithmetic with binary point-only signals

  • Arithmetic operators +, -, *, .*

  • Division using the divide function

• Arbitrary word length up to intmax('uint16')

• Relational, logical, and bitwise operators

• Data visualization via the plot function

• Statistics functions such as abs, max, and min

• Conversions between binary, hex, double, and built-in integers

• Interoperability with Simulink, Signal Processing Blockset™ software, and Filter Design Toolbox™ software

• Compatibility with the Simulink To Workspace and From Workspace blocks

Getting Help

This section tells you how to get help for Fixed-Point Toolbox software in this document and at the MATLAB command line.

Getting Help in the Fixed-Point Toolbox User's Guide

Fixed-Point Toolbox objects are discussed in the following chapters:

• Working with fi Objects

• Working with fimath Objects

• Working with fipref Objects

• Working with numerictype Objects

• Working with quantizer Objects

To get in-depth information about the properties of these objects, refer to Property Reference.

To get in-depth information about the functions of these objects, refer to Function Reference.

Getting Help at the MATLAB Command Line

To get command-line help for Fixed-Point Toolbox objects, type

help objectname

For example:

help fi
help fimath
help fipref
help numerictype
help quantizer

To invoke Help Browser documentation for Fixed-Point Toolbox functions from the MATLAB command line, type

doc fixedpoint/functionname

For example:

doc fixedpoint/int
doc fixedpoint/add
doc fixedpoint/savefipref
doc fixedpoint/quantize

Version 1.1 (R14SP1) Fixed-Point Toolbox Software

Compatibility Summary for Fixed-Point Toolbox Software

© 1984-2009- The MathWorks, Inc.    -   Site Help   -   Patents   -   Trademarks   -   Privacy Policy   -   Preventing Piracy   -   RSS