# RTL Arithmetic SQRT, FPU etc.
+## Wallace vs Dadda Multipliers
+
+* [Paper comparing efficiency of Wallace and Dadda Multipliers in RTL implementations (clicking will download the pdf from archive.org)](https://web.archive.org/web/20180717013227/http://ieeemilestones.ethw.org/images/d/db/A_comparison_of_Dadda_and_Wallace_multiplier_delays.pdf)
+
## Sqrt
* [Fast Floating Point Square Root](https://pdfs.semanticscholar.org/5060/4e9aff0e37089c4ab9a376c3f35761ffe28b.pdf)
* [Reciprocal Square Root Algorithm](http://www.acsel-lab.com/arithmetic/arith15/papers/ARITH15_Takagi.pdf)
+* [Fast Calculation of Cube and Inverse Cube Roots Using a Magic Constant and Its Implementation on Microcontrollers (clicking will download the pdf)](https://res.mdpi.com/d_attachment/energies/energies-14-01058/article_deploy/energies-14-01058-v2.pdf)
+* [Modified Fast Inverse Square Root and Square Root Approximation Algorithms: The Method of Switching Magic Constants (clicking will download the pdf)](https://res.mdpi.com/d_attachment/computation/computation-09-00021/article_deploy/computation-09-00021-v3.pdf)
+
## CORDIC and related algorithms
* [zipcpu CORDIC](https://zipcpu.com/dsp/2017/08/30/cordic.html)
* [Low latency and Low error floating point TCORDIC](https://ieeexplore.ieee.org/document/7784797) (email Michael or Cole if you don't have IEEE access)
* <http://www.myhdl.org/docs/examples/sinecomp/> MyHDL version of CORDIC
+* <https://dspguru.com/dsp/faqs/cordic/>
## IEEE Standard for Floating-Point Arithmetic (IEEE 754)