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Tool accelerates fixed-point MATLAB algorithms

Posted: 23 Apr 2007 ?? ?Print Version ?Bookmark and Share

Keywords:fixed-point MATLAB algorithms? fixed-point algorithms? Fixed-Point Toolbox?

The MathWorks has released Fixed-Point Toolbox 2, which provides enhanced floating-to-fixed-point conversion capabilities and accelerated fixed-point MATLAB algorithms that execute at compiled C-code speed.

Design engineers now have a cohesive workflow for optimizing and verifying embedded algorithms entirely within MATLAB, which speeds up design iterations and eliminates translation errors.

Most embedded signal processing and control systems require fixed-point algorithms for implementation on DSPs, MCUs, ASICs and FPGAs. A major challenge that embedded system designers face is maintaining the correct behavior of an algorithm when converting it from floating-point to fixed-point representation.

Fixed-Point Toolbox provides tools for data logging and data-type override that streamline the conversion process and ensure consistent algorithm behavior in both representations. A new accelerated simulation mode in the toolbox increases the execution speed of fixed-point MATLAB algorithms by factors of up to a thousand, according to the company.

"Fixed-point development usually involves managing a design expressed in several different languages, such as MATLAB, C, assembly and HDL. This is a time-consuming and error-prone process," said Houman Zarrinkoub, technical marketing manager at The MathWorks, in a statement. "Now, with the new version of Fixed-Point Toolbox, The MathWorks introduces a complete workflow that equips engineers with efficient tools to perform design validation and tradeoff analysis on fixed-point algorithms in MATLAB."

Fixed-Point Toolbox also facilitates the use of fixed-point MATLAB algorithms within Simulink for system simulation, system verification, and automatic generation of embeddable C code. Because the algorithms have the same fixed-point representation across MATLAB and Simulink, design engineers can complete their designs in a single environment.

Pricing starts at $1,000. The product is available immediately for the Microsoft Windows, UNIX, Linux and Macintosh platforms.

- Ismini Scouras

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