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

Published in:	Computation Vol. 9; no. 2; p. 21
Main Authors:	Moroz, Leonid V., Samotyy, Volodymyr V., Horyachyy, Oleh Y.
Format:	Journal Article
Language:	English
Published:	MDPI AG 01.02.2021
Subjects:	algorithm design and analysis elementary function approximation fast inverse square root algorithm fused multiply–add IEEE 754 standard Newton–Raphson method
ISSN:	2079-3197, 2079-3197
Online Access:	Get full text
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