fmin.rs - source
Description: Source of the Rust file `/Users/erlendbasso/.cargo/registry/src/github.com-1ecc6299db9ec823/libm-0.2.6/src/math/fmin.rs`.
Keywords: rust, rustlang, rust-lang

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    #[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
    pub fn fmin(x: f64, y: f64) -> f64 {
        // IEEE754 says: minNum(x, y) is the canonicalized number x if x < y, y if y < x, the
        // canonicalized number if one operand is a number and the other a quiet NaN. Otherwise it
        // is either x or y, canonicalized (this means results might differ among implementations).
        // When either x or y is a signalingNaN, then the result is according to 6.2.
        //
        // Since we do not support sNaN in Rust yet, we do not need to handle them.
        // FIXME(nagisa): due to https://bugs.llvm.org/show_bug.cgi?id=33303 we canonicalize by
        // multiplying by 1.0. Should switch to the `canonicalize` when it works.
        (if y.is_nan() || x < y { x } else { y }) * 1.0
    }