Checklist

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• Read and understood the Code of Conduct.
• Searched for existing issues and pull requests.
• The issue name begins with RFC:.

Description

Description of the feature request.

This RFC proposes adding support for computing the derivative of cardinal sine. Apart from special cases, the implementation is straightforward:

    return (cospi( x ) - (sinpi( x )/(PI*x)) / x;

Package: @stdlib/math/base/special/cosc
Alias: base.cosc

Related Issues

Does this feature request have any related issues?

No.

Questions

Any questions for reviewers?

No.

Other

Any other information relevant to this feature request? This may include screenshots, references, sample output, and/or implementation notes.

Reference implementations:

• Julia