herbie
Clippy
herbie | Clippy | |
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6 | 120 | |
729 | 10,900 | |
1.4% | 2.1% | |
9.9 | 10.0 | |
3 days ago | 6 days ago | |
HTML | Rust | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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herbie
- Herbie: Find and fix floating-point accuracy problems
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Towards a New SymPy
The herbie project using egraphs to explore different ways of rewriting floating point expressions. https://herbie.uwplse.org/ One can also write custom rulesets in egglog (a new egraph rewriting system / language / datalog) https://egraphs-good.github.io/egglog/?example=herbie
The approach is not yet anywhere near being able to touch all the domains sympy can handle. Destructive term rewriting tends to be a bit more forgiving to unsoundness in the rules and still returning roughly meaningful results. EGraph rewriting (and other automated reasoning systems) tend to just return junk as soon as you aren't careful about your semantics. Associativity and commutativity are ubiquitous in CAS applications and encoding these concepts in general purpose terms is rather unsatisfying. The post above emphasizes specialty methods for polynomials, which it would be desirable to find a clean way to integrate into egraph techniques. Variable binding (which is treated in a rather mangled form in CAS systems) is seemingly important for treating summation, differentiation, and integration correctly. The status of doing variable binding efficiently and correctly in egraphs is also unclear imo.
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Q: Automated floating point error analysis
As a starting point, check Herbie: https://herbie.uwplse.org/
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Someone’s Been Messing with My Subnormals
Here is a really cool automatic tool that rewrites floating point expressions to be more accurate: https://herbie.uwplse.org/
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Multiple precision floating point library
On a related note, see tools like Herbie which rewrite floating point expressions to improve accuracy without altering the underlying data-type. It's worth being aware that sometimes you get really bad diminishing returns from using bigger floats and what you really need to do is to rewrite the calculation to avoid a weakness of floating point representation, see numerically unstable calculations.
- Herbie – optimize floating-point expressions for accuracy
Clippy
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More than you've ever wanted to know about errors in Rust
I couldn't find it in the API guidelines either. From what I understand, the idea is that any trait bounds, which includes generic type parameter bounds and lifetime bound on a type (struct or enum) would be repeated back in the impl block
there is a nice discussion on this issue here: https://github.com/rust-lang/rust-clippy/issues/1689
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New clippy lint: detecting `&mut` which could be `&` in function arguments
You should not blindly follow clippy lints. They are sometimes wrong. Another example https://github.com/rust-lang/rust-clippy/issues/9782 .
- Let else will finally be formatted by rustfmt soon
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My deduplication solution written in Rust beats everything else: casync, borg...
I often write () = f() to assert that f() is unit. Unfortunately clippy warns on such code ( https://github.com/rust-lang/rust-clippy/issues/9048 ). There are very recent pull requests for this bug, so hopefully this bug will be fixed very soon. But meanwhile I invented this workaround: [()] = [f()] :)
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Any open source projects willing to take in juniors?
Apart from running clippy on many projects being essential, clippy is also an exceptionally welcoming project, no matter your prior knowledge.
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Any new Opensource projects in (rust) looking for contributors. I want to start my journey as an OSS contributor.
clippy is a great place to get started :) though it isn't exactly new.
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I want to contribute in a big project
clippy is also pretty compiler-adjacent and unlike rust-analyzer uses rustc's internal APIs. Don't let the size of the code base scare you off! It's actually feasible for a newcomer to contribute even such a substantial change as a new lint, and we have issues labeled as "good first issue" that come with mentorship, so you don't need to go it alone.
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rustc-plugin: A framework for writing plugins that integrate with the Rust compiler
Yes, you could use it to write a lint. Although you might find it easier to just fork Clippy and add your own lints to their existing framework.
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Reading Rust
Check out the readme for more information.
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Rust Tips and Tricks #PartOne
They are two of my favorite Rust tools. If you haven’t tried them yet, I highly recommend giving them a try. Clippy can detect various lints in your code and guide you towards writing more idiomatic code. To install Clippy, simply run rustup component add clippy, and to run it within your workspace, execute cargo clippy. For more details, visit Clippy’s GitHub repository.
What are some alternatives?
bigint-benchmark-rs - Bechmarks for Rust big integer implementations
rustfmt - Format Rust code
egglog - egraphs + datalog!
vscode-rust
ibig-rs - A big integer library in Rust with good performance.
rust.vim - Vim configuration for Rust.
MuladdMacro.jl - This package contains a macro for converting expressions to use muladd calls and fused-multiply-add (FMA) operations for high-performance in the SciML scientific machine learning ecosystem
rust-analyzer - A Rust compiler front-end for IDEs [Moved to: https://github.com/rust-lang/rust-analyzer]
r6rs
Rust for Visual Studio Code
intellij-rust - Rust plugin for the IntelliJ Platform
sublime-rust - The official Sublime Text 4 package for the Rust Programming Language