Modified Fast Inverse Square Root and Square Root Approximation Algorithms: The Method of Switching Magic Constants

Modified Fast Inverse Square Root and Square Root Approximation Algorithms: The Method of Switching Magic Constants

Many low-cost platforms that support floating-point arithmetic, such as microcontrollers and field-programmable gate arrays, do not include fast hardware or software methods for calculating the square root and/or reciprocal square root. Typically, such functions are implemented using direct lookup t...

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Bibliographic Details
Main Authors: Leonid V. Moroz, Volodymyr V. Samotyy, Oleh Y. Horyachyy
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Computation
Subjects:
elementary function approximation
fast inverse square root algorithm
IEEE 754 standard
Newton–Raphson method
fused multiply–add
algorithm design and analysis
Online Access:https://www.mdpi.com/2079-3197/9/2/21

Internet

https://www.mdpi.com/2079-3197/9/2/21

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