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feat: add math/base/special/atan2f #3338

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@Neerajpathak07 Neerajpathak07 commented Dec 5, 2024 •
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Progresses #649

Description

What is the purpose of this pull request?

This pull request:

  • proposes adding math/base/special/atan2f , which would be a single precision implementation for math/base/special/atan2.

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@stdlib-bot stdlib-bot added Math Issue or pull request specific to math functionality. Needs Review A pull request which needs code review. labels Dec 5, 2024
@Neerajpathak07 Neerajpathak07 marked this pull request as draft December 5, 2024 14:29
@stdlib-bot stdlib-bot removed the Needs Review A pull request which needs code review. label Dec 5, 2024
@Neerajpathak07 Neerajpathak07 changed the title [RFC]: add math/base/special/atan2f feat: add math/base/special/atan2f Dec 5, 2024
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i see that this PR is failing a lot of tests. you should update your manifest.json to include all the necessary single-precsion dependencies to use them in src/ and lib/ currently you are including double precision dependencies but using the single-precision ones which is why this is causing an error.

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"dependencies": [
        "@stdlib/math/base/napi/binary",
        "@stdlib/math/base/assert/is-infinitef",
        "@stdlib/math/base/special/copysignf",
        "@stdlib/number/float32/base/signbit",
        "@stdlib/math/base/assert/is-nanf",
        "@stdlib/math/base/special/atanf",
        "@stdlib/constants/float32/pinf",
        "@stdlib/constants/float32/pi"
      ]

this is how you should fill the dependencies in manifest.json

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@aayush0325 thanks for the assist.

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use number/float32/base/signbit instead of number/float32/base/signbitf as the latter doesn't exist, checkout the package here

@Planeshifter Planeshifter added the status: Blocked Issue or pull request which is current blocked. label Dec 10, 2024
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Planeshifter commented Dec 10, 2024 •
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@Neerajpathak07 The issue here is that @stdlib/number/float32/base/signbit doesn't yet have a C implementation. This PR will have to wait until we have that C implementation.

@Neerajpathak07 Neerajpathak07 mentioned this pull request Dec 23, 2024
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@Planeshifter The PR related to float32/signbit has been merged could you unblock this PR

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Neerajpathak07 commented Jan 15, 2025
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lib/node_modules/@stdlib/math/base/special/atan2f/lib/main.js
*
* ## Notice
*
* The original code, copyright and license are from [Go]{@link https://golang.org/src/math/atan2.go}. The implementation follows the original, but has been modified for JavaScript.
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@kgryte
Apparently there was no golang source link for atan2f which is why I have kept it atan2 for now.

@Planeshifter Planeshifter removed the status: Blocked Issue or pull request which is current blocked. label Jan 15, 2025
aayush0325
aayush0325 reviewed Jan 17, 2025
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basically you need to generate the fixtures using the julia script and not copy them over from the double precision implementation

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The reason for the failing benchmarks is probably because you copied over the Makefile wrongly, use the one in math/base/special/atan2/benchmark/c/native/

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Makefile that you should be using. This adds the include dirs so that you don't run into the error that we're currently facing here

@Neerajpathak07 Neerajpathak07 mentioned this pull request Jan 25, 2025
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Neerajpathak07 commented Feb 11, 2025
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lib/node_modules/@stdlib/math/base/special/atan2f/test/fixtures/julia/runner.jl
Comment on lines +41 to +43
z = Array{Float32}( undef, length(x) );
for i in eachindex(x)
z[ i ] = atan.( y[i], x[i] );
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Julia doesn't have support for computing atan2f and atan2 so have kept it atan cuz that's the only one we have. But have generated it for float32

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@aayush0325 Well the error still persists even after generating fixtures for julia.

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chore: update benchmark
93fbc17
@Neerajpathak07
chore: update benchmark
f6611fd 
---
type: pre_push_report
description: Results of running various checks prior to pushing changes.
report:
---
@Neerajpathak07
Merge branch 'add-atan2f' of https://github.com/Neerajpathak07/stdlib …
c13285b 
…into add-atan2f
@Neerajpathak07
chore: update fixtures
a0fc498
@Neerajpathak07
chore: minor changes
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@Planeshifter Only two test cases are failing in test.native.js whilst every tests and running-clean in test.js. Is there something I am missing out??

@Planeshifter Planeshifter added the Potential Duplicate There might be another pull request resolving the same issue. label Mar 15, 2025
@stdlib-bot stdlib-bot removed the Potential Duplicate There might be another pull request resolving the same issue. label Apr 19, 2025
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