Delivering floating-point benefits to developers using fixed-point microcontrollers (MCUs), Texas Instruments announced that its free IQmath Library now supports both the 32-bit C2000 and Stellaris MCU platforms.
The library is a proven, optimised collection of high-precision mathematical functions that allows programmers to port floating-point algorithms into fixed-point code. Developers can use the software to achieve execution speeds 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 speeds development and addresses the limitations of fixed-point math by eliminating time-consuming scaling and saturation burdens.
The library includes over 45 functions organised in easy-to-access categories, including format conversion utilities, arithmetic functions, trigonometric functions and mathematical functions. Adjustable resolution and dynamic range allow optimisation based on application requirements. Seamless code portability is ensured for scaling between fixed- and floating-point MCUs and conversions from floating to fixed point are completed at the compile stage, so CPU cycles are not used.
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