Show HN: realistic_blas: Exact infinite-precision LA, useful errs, f64 fast path

Category: library

Tags: linear-algebra, precision-arithmetic, rust-crate

Score: 5.8/10 (Innovation: 5, Technical: 7, Documentation: 7, Utility: 4)

realistic_blas is a Rust linear algebra library that provides exact infinite-precision scalar arithmetic alongside an approximate f64+epsilon backend, enabling explicit error bounds and zero-status tracking. Its novel dual-backend design and fallible/checked/abort-aware APIs make it interesting for correctness-critical applications, though its niche focus and early stage limit broader utility.

Target audience: backend devs

Repository: https://github.com/timschmidt/realistic_blas · Rust · MIT

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