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Software library adds floating point benefits to MCUs

Posted: 09 Nov 2010     Print Version  Bookmark and Share

Keywords:IQmath library  mathematical functions  MCU platforms 

Texas Instruments Inc. (TI) introduces a free IQmath library, an optimised collection of "high-precision" mathematical functions to support the 32bit C2000 and Stellaris MCU platforms. TI's IQmath library offers floating-point benefits to developers using fixed-point microcontrollers (MCUs) by seamlessly porting floating-point algorithms into fixed-point code.

Developers can use the software to achieve execution speeds considerably faster than equivalent code written in standard ANSI C language, which is important to computationally intensive applications such as motor control, digital power, security and human-machine interfaces. The IQmath Library also significantly speeds development and addresses the limitations of fixed-point math by eliminating time-consuming scaling and saturation burdens.

IQmath library features include 45+ functions that are organised in easy-to-access categories, including format conversion utilities, arithmetic functions, trigonometric functions and mathematical functions; adjustable resolution and dynamic range for better optimisation; and compile-stage completion of conversions from floating to fixed point for CPU cycle elimination.

IQmath software is free and available for download at www.ti.com/iqmath-pr-lp. Fixed-point Stellaris MCUs start at Rs.44.67 ($1), and fixed- and floating-point C2000 real-time control MCUs start at less than Rs.89.34 ($2). Samples and orders can be placed at www.ti.com/iqmath-buy-pr-lp.

- Toni McConnel
  EE Times

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