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Rename type and trait to comply with naming guidelines #33

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merged 1 commit into from
Nov 29, 2021

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djc
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@djc djc commented Jun 21, 2021

Suppose this is not so controversial? Thought I might help out by fixing this.

@danieldk
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I don't think it controversial. It does break the existing API, but only in a shallow way, and it's better to fix this now than post-1.0.

@sebpuetz what do you think?

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djc commented Jun 21, 2021

Yes, and I figured we already need an incompatible version bump for ndarray 0.15 compatibility anyway.

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No objections from my side.

I think the ndarray bump to 0.15 is still blocked by ndarray-linalg

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djc commented Jun 21, 2021

Yeah, I just pinged them in rust-ndarray/ndarray-linalg#281.

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djc commented Jun 21, 2021

CI seems to be flaky; I noticed the same failure on #32.

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djc commented Jun 21, 2021

BTW, I was unable to compile the opq tests on my machine. I got the following error:

  = note: Undefined symbols for architecture x86_64:
            "_sgesvd_", referenced from:
                lapack::sgesvd::h128296f4358af73f in liblax-02fc496e925898f8.rlib(lax-02fc496e925898f8.lax.huv9ec90-cgu.1.rcgu.o)
            "_ssyev_", referenced from:
                lapack::ssyev::h8af130078dc2d88c in liblax-02fc496e925898f8.rlib(lax-02fc496e925898f8.lax.huv9ec90-cgu.1.rcgu.o)
          ld: symbol(s) not found for architecture x86_64
          clang: error: linker command failed with exit code 1 (use -v to see invocation)

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danieldk commented Jun 21, 2021

"_sgesvd_"

What OS and against what library does the build link? E.g.

$ cargo test --features=openblas-test -v
[...]
     Running `rustc --crate-name openblas_src --edition=2018 /home/daniel/.cargo/registry/src/github.com-1ecc6299db9ec823/openblas-src-0.10.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="cblas"' --cfg 'feature="static"' -C metadata=0405d34b390c1618 -C extra-filename=-0405d34b390c1618 --out-dir /home/daniel/git/reductive/target/debug/deps -L dependency=/home/daniel/git/reductive/target/debug/deps --cap-lints allow -L /home/daniel/git/reductive/target/debug/build/openblas-src-10da8a9112df37f5/out -L /usr/lib -L /usr/lib/gcc/x86_64-redhat-linux/11 -L /usr/lib64 -L /usr/lib -L /usr/lib/gcc/x86_64-redhat-linux/11 -L /usr/lib64 -l c -l c -l gfortran -l m -l quadmath -l static=openblas`
[...]
     Running `rustc --crate-name reductive --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="lax"' --cfg 'feature="ndarray-linalg"' --cfg 'feature="openblas-test"' --cfg 'feature="opq-train"' -C metadata=d4ec96801e8cd857 -C extra-filename=-d4ec96801e8cd857 --out-dir /home/daniel/git/reductive/target/debug/deps -C incremental=/home/daniel/git/reductive/target/debug/incremental -L dependency=/home/daniel/git/reductive/target/debug/deps --extern approx=/home/daniel/git/reductive/target/debug/deps/libapprox-ac2495e703e32152.rlib --extern lax=/home/daniel/git/reductive/target/debug/deps/liblax-3dffd4c29b2503af.rlib --extern log=/home/daniel/git/reductive/target/debug/deps/liblog-db39e649b2a772f7.rlib --extern ndarray=/home/daniel/git/reductive/target/debug/deps/libndarray-15d6204bc7216a67.rlib --extern ndarray_linalg=/home/daniel/git/reductive/target/debug/deps/libndarray_linalg-6c59e37532b4faa6.rlib --extern num_traits=/home/daniel/git/reductive/target/debug/deps/libnum_traits-482f24506107ef5a.rlib --extern ordered_float=/home/daniel/git/reductive/target/debug/deps/libordered_float-f8fd353f63149068.rlib --extern rand=/home/daniel/git/reductive/target/debug/deps/librand-7a0fb068ef617c87.rlib --extern rand_core=/home/daniel/git/reductive/target/debug/deps/librand_core-bd34cef311348859.rlib --extern rand_distr=/home/daniel/git/reductive/target/debug/deps/librand_distr-b5be34514312f8c7.rlib --extern rand_xorshift=/home/daniel/git/reductive/target/debug/deps/librand_xorshift-570e46c6823d8f5b.rlib --extern rayon=/home/daniel/git/reductive/target/debug/deps/librayon-b4e0edab8aab4b89.rlib -L /home/daniel/git/reductive/target/debug/build/openblas-src-10da8a9112df37f5/out -L /usr/lib -L /usr/lib/gcc/x86_64-redhat-linux/11 -L /usr/lib64 -L /usr/lib -L /usr/lib/gcc/x86_64-redhat-linux/11 -L /usr/lib64`

You usually get this error when it is attempted to link against an OpenBLAS library without LAPACK support built in.

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djc commented Jun 21, 2021

macOS, installed openblas with brew install openblas.

    Running `rustc --crate-name reductive --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="lax"' --cfg 'feature="ndarray-linalg"' --cfg 'feature="openblas-test"' --cfg 'feature="opq-train"' -C metadata=4c23bec02209605b -C extra-filename=-4c23bec02209605b --out-dir /Users/djc/src/reductive/target/debug/deps -C incremental=/Users/djc/src/reductive/target/debug/incremental -L dependency=/Users/djc/src/reductive/target/debug/deps --extern approx=/Users/djc/src/reductive/target/debug/deps/libapprox-1f9753325c282a0f.rlib --extern lax=/Users/djc/src/reductive/target/debug/deps/liblax-02fc496e925898f8.rlib --extern log=/Users/djc/src/reductive/target/debug/deps/liblog-24eb42ca4b630544.rlib --extern ndarray=/Users/djc/src/reductive/target/debug/deps/libndarray-30abe304def814bc.rlib --extern ndarray_linalg=/Users/djc/src/reductive/target/debug/deps/libndarray_linalg-88f3468fec483c92.rlib --extern num_traits=/Users/djc/src/reductive/target/debug/deps/libnum_traits-fd121cdc3b74f1c5.rlib --extern ordered_float=/Users/djc/src/reductive/target/debug/deps/libordered_float-e5b7cc1beec783b3.rlib --extern rand=/Users/djc/src/reductive/target/debug/deps/librand-3e4297b278ec6a4c.rlib --extern rand_core=/Users/djc/src/reductive/target/debug/deps/librand_core-f95250847834e5d4.rlib --extern rand_distr=/Users/djc/src/reductive/target/debug/deps/librand_distr-89c58e43309b5f0a.rlib --extern rand_xorshift=/Users/djc/src/reductive/target/debug/deps/librand_xorshift-674841b489436bd6.rlib --extern rayon=/Users/djc/src/reductive/target/debug/deps/librayon-4e102dc89b945694.rlib -L /Users/djc/src/reductive/target/debug/build/openblas-src-8af2d72905961d1f/out/opt/OpenBLAS/lib`
     Running `rustc --crate-name reductive --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="lax"' --cfg 'feature="ndarray-linalg"' --cfg 'feature="openblas-test"' --cfg 'feature="opq-train"' -C metadata=9bcd1f09c9401dfe -C extra-filename=-9bcd1f09c9401dfe --out-dir /Users/djc/src/reductive/target/debug/deps -C incremental=/Users/djc/src/reductive/target/debug/incremental -L dependency=/Users/djc/src/reductive/target/debug/deps --extern lax=/Users/djc/src/reductive/target/debug/deps/liblax-02fc496e925898f8.rmeta --extern log=/Users/djc/src/reductive/target/debug/deps/liblog-24eb42ca4b630544.rmeta --extern ndarray=/Users/djc/src/reductive/target/debug/deps/libndarray-30abe304def814bc.rmeta --extern ndarray_linalg=/Users/djc/src/reductive/target/debug/deps/libndarray_linalg-88f3468fec483c92.rmeta --extern num_traits=/Users/djc/src/reductive/target/debug/deps/libnum_traits-fd121cdc3b74f1c5.rmeta --extern ordered_float=/Users/djc/src/reductive/target/debug/deps/libordered_float-e5b7cc1beec783b3.rmeta --extern rand=/Users/djc/src/reductive/target/debug/deps/librand-3e4297b278ec6a4c.rmeta --extern rand_core=/Users/djc/src/reductive/target/debug/deps/librand_core-f95250847834e5d4.rmeta --extern rand_xorshift=/Users/djc/src/reductive/target/debug/deps/librand_xorshift-674841b489436bd6.rmeta --extern rayon=/Users/djc/src/reductive/target/debug/deps/librayon-4e102dc89b945694.rmeta -L /Users/djc/src/reductive/target/debug/build/openblas-src-8af2d72905961d1f/out/opt/OpenBLAS/lib`

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macOS, installed openblas with brew install openblas.

    Running `rustc --crate-name reductive --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="lax"' --cfg 'feature="ndarray-linalg"' --cfg 'feature="openblas-test"' --cfg 'feature="opq-train"' -C metadata=4c23bec02209605b -C extra-filename=-4c23bec02209605b --out-dir /Users/djc/src/reductive/target/debug/deps -C incremental=/Users/djc/src/reductive/target/debug/incremental -L dependency=/Users/djc/src/reductive/target/debug/deps --extern approx=/Users/djc/src/reductive/target/debug/deps/libapprox-1f9753325c282a0f.rlib --extern lax=/Users/djc/src/reductive/target/debug/deps/liblax-02fc496e925898f8.rlib --extern log=/Users/djc/src/reductive/target/debug/deps/liblog-24eb42ca4b630544.rlib --extern ndarray=/Users/djc/src/reductive/target/debug/deps/libndarray-30abe304def814bc.rlib --extern ndarray_linalg=/Users/djc/src/reductive/target/debug/deps/libndarray_linalg-88f3468fec483c92.rlib --extern num_traits=/Users/djc/src/reductive/target/debug/deps/libnum_traits-fd121cdc3b74f1c5.rlib --extern ordered_float=/Users/djc/src/reductive/target/debug/deps/libordered_float-e5b7cc1beec783b3.rlib --extern rand=/Users/djc/src/reductive/target/debug/deps/librand-3e4297b278ec6a4c.rlib --extern rand_core=/Users/djc/src/reductive/target/debug/deps/librand_core-f95250847834e5d4.rlib --extern rand_distr=/Users/djc/src/reductive/target/debug/deps/librand_distr-89c58e43309b5f0a.rlib --extern rand_xorshift=/Users/djc/src/reductive/target/debug/deps/librand_xorshift-674841b489436bd6.rlib --extern rayon=/Users/djc/src/reductive/target/debug/deps/librayon-4e102dc89b945694.rlib -L /Users/djc/src/reductive/target/debug/build/openblas-src-8af2d72905961d1f/out/opt/OpenBLAS/lib`
     Running `rustc --crate-name reductive --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C split-debuginfo=unpacked -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="lax"' --cfg 'feature="ndarray-linalg"' --cfg 'feature="openblas-test"' --cfg 'feature="opq-train"' -C metadata=9bcd1f09c9401dfe -C extra-filename=-9bcd1f09c9401dfe --out-dir /Users/djc/src/reductive/target/debug/deps -C incremental=/Users/djc/src/reductive/target/debug/incremental -L dependency=/Users/djc/src/reductive/target/debug/deps --extern lax=/Users/djc/src/reductive/target/debug/deps/liblax-02fc496e925898f8.rmeta --extern log=/Users/djc/src/reductive/target/debug/deps/liblog-24eb42ca4b630544.rmeta --extern ndarray=/Users/djc/src/reductive/target/debug/deps/libndarray-30abe304def814bc.rmeta --extern ndarray_linalg=/Users/djc/src/reductive/target/debug/deps/libndarray_linalg-88f3468fec483c92.rmeta --extern num_traits=/Users/djc/src/reductive/target/debug/deps/libnum_traits-fd121cdc3b74f1c5.rmeta --extern ordered_float=/Users/djc/src/reductive/target/debug/deps/libordered_float-e5b7cc1beec783b3.rmeta --extern rand=/Users/djc/src/reductive/target/debug/deps/librand-3e4297b278ec6a4c.rmeta --extern rand_core=/Users/djc/src/reductive/target/debug/deps/librand_core-f95250847834e5d4.rmeta --extern rand_xorshift=/Users/djc/src/reductive/target/debug/deps/librand_xorshift-674841b489436bd6.rmeta --extern rayon=/Users/djc/src/reductive/target/debug/deps/librayon-4e102dc89b945694.rmeta -L /Users/djc/src/reductive/target/debug/build/openblas-src-8af2d72905961d1f/out/opt/OpenBLAS/lib`

Seems to link against the vendored OpenBLAS in openblas-src, then it's most likely that you do not have gfortran installed and as a result LAPACK is not built.

@danieldk
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Looks like the lint that used to warn for this is disabled now for public items:

rust-lang/rust-clippy#6805

So, I propose that we keep the naming as-is.

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djc commented Jun 23, 2021

IMO there's still substantial value in complying with the API naming guidelines. If the next release will be semver-incompatible anyway because of the ndarray bump, I'd still change the names.

@djc djc closed this Jul 26, 2021
@danieldk
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I missed this, we could still do these changes for the next release.

@djc djc reopened this Jul 26, 2021
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djc commented Jul 27, 2021

Rebased on master.

@danieldk danieldk merged commit 6c0f901 into finalfusion:master Nov 29, 2021
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Thanks again!

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