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Add complex number support to sin #457

Merged
merged 2 commits into from
Jul 7, 2022
Merged

Add complex number support to sin #457

merged 2 commits into from
Jul 7, 2022

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kgryte
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@kgryte kgryte commented Jun 20, 2022

This PR

  • adds complex number support to sin by documenting special cases. The sine is an entire function in the complex plane. Thus, the function has no branch cuts.
  • updates the input and output array data types to be any floating-point data type, not just real-valued floating-point data types.
  • derives special cases from C99.

@kgryte kgryte added API change Changes to existing functions or objects in the API. topic: Complex Data Types Complex number data types. labels Jun 20, 2022
@kgryte kgryte added this to the v2022 milestone Jun 20, 2022
@kgryte kgryte mentioned this pull request Jun 20, 2022
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kgryte commented Jul 7, 2022

As sin does not involve branch cuts and the special cases introduced in this PR rely on sinh and follow prior art, will merge. Further revisions can be addressed in subsequent PRs...

@kgryte kgryte merged commit 3c7395c into main Jul 7, 2022
@kgryte kgryte deleted the cmplx-sin branch July 7, 2022 09:50
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API change Changes to existing functions or objects in the API. topic: Complex Data Types Complex number data types.
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