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I would like to use functionalities like sine, cosine etc in my code without using math.h library.

Gautham Y.T
Associate II

‎2018-10-12 12:13 AM - last edited on ‎2025-04-05 1:48 AM by

Please provide me the solution for this.

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AvaTar
Lead

‎2018-10-12 1:14 AM

Use the math lib, or implement a table-based interpolation yourself.

Consider an integer-based solution.

You did not even mention the MCU you are working with.

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Andrew Neil
Super User

‎2018-10-12 2:26 AM

Why do you want to avoid math.h ?

Have you looked at: https://www.keil.com/pack/doc/CMSIS/DSP/html/group__groupFastMath.html

Did you do any research yourself?

eg, google found this: https://digital.library.unt.edu/ark:/67531/metadc283001/

See also: https://en.wikipedia.org/wiki/CORDIC

A complex system that works is invariably found to have evolved from a simple system that worked.
A complex system designed from scratch never works and cannot be patched up to make it work.
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