Rust f64::tan() twice as slow as Go math.Tan()

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  • libm

    A port of MUSL's libm to Rust.

  • The more interesting code is the "kernel" tangent function https://github.com/rust-lang/libm/blob/master/src/math/k_tan.rs . I don't see any numerical analysis of accuracy in either the Rust lib or the MUSL source lib, but from one of the comments it looks like it's intended to be within 1ULP, which is what I'd expect.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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