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Test current libc rintl implementation #32070

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mihael wants to merge 3 commits from mihael:add-rintl-unit-tests into master
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I've cherry-picked the unit test commits from #31791 to check whether the same behaviour (rounding negative numbers around -n.5 to -n.5 instead of either -n.0 or -(n-1).0) can be observed on NetBSD with current libc implementation (not libzigc).

I've cherry-picked the unit test commits from #31791 to check whether the same behaviour (rounding negative numbers around `-n.5` to `-n.5` instead of either `-n.0` or `-(n-1).0`) can be observed on NetBSD with current libc implementation (not `libzigc`).
Instead of testing all the `rint` functions in the same test
declaration, have a test declaration per `rint` function and
`special`/`normal` split.
libzigc/math: Skip rintl unit tests on PowerPC
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b5f1b3473a
 
Also, switch to `expectEqual` for comparing zeros in `testRintNormal`
and `testModf` instead of relying on the combination of `expect` and
`isNegative/PositiveZero`. In case of test failure, we want to get
the actual value in the log output.

libzigc is never built on NetBSD. The libc API tests run against native libc even on such platforms. See: #31923

libzigc is never built on NetBSD. The libc API tests run against native libc even on such platforms. See: https://codeberg.org/ziglang/zig/pulls/31923
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@alexrp wrote in #32070 (comment):

libzigc is never built on NetBSD. The libc API tests run against native libc even on such platforms. See: #31923

Oh, then it's a problem with the native libc implementation / environment on NetBSD and not the implementation I added on #31791. I guess we ran into a bug?

Please, feel free to cancel these runs if you can. I'll finalize the other PR and add a note on this, but I'm glad it doesn't regress rintl.

@alexrp wrote in https://codeberg.org/ziglang/zig/pulls/32070#issuecomment-13745582: > libzigc is never built on NetBSD. The libc API tests run against native libc even on such platforms. See: #31923 Oh, then it's a problem with the native libc implementation / environment on NetBSD and not the implementation I added on #31791. I guess we ran into a bug? Please, feel free to cancel these runs if you can. I'll finalize the other PR and add a note on this, but I'm glad it doesn't regress `rintl`.
mihael closed this pull request 2026年04月25日 17:31:38 +02:00
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