library/compiler-builtins/libm/src/math/sqrt.rs

/// The square root of `x` (f16).
#[cfg(f16_enabled)]
#[cfg_attr(assert_no_panic, no_panic::no_panic)]
pub fn sqrtf16(x: f16) -> f16 {
    select_implementation! {
        name: sqrtf16,
        use_arch: all(target_arch = "aarch64", target_feature = "fp16"),
        args: x,
    }

    return super::generic::sqrt(x);
}

/// The square root of `x` (f32).
#[cfg_attr(assert_no_panic, no_panic::no_panic)]
pub fn sqrtf(x: f32) -> f32 {
    select_implementation! {
        name: sqrtf,
        use_arch: any(
            all(target_arch = "aarch64", target_feature = "neon"),
            all(target_arch = "wasm32", intrinsics_enabled),
            target_feature = "sse2"
        ),
        args: x,
    }

    super::generic::sqrt(x)
}

/// The square root of `x` (f64).
#[cfg_attr(assert_no_panic, no_panic::no_panic)]
pub fn sqrt(x: f64) -> f64 {
    select_implementation! {
        name: sqrt,
        use_arch: any(
            all(target_arch = "aarch64", target_feature = "neon"),
            all(target_arch = "wasm32", intrinsics_enabled),
            target_feature = "sse2"
        ),
        args: x,
    }

    super::generic::sqrt(x)
}

/// The square root of `x` (f128).
#[cfg(f128_enabled)]
#[cfg_attr(assert_no_panic, no_panic::no_panic)]
pub fn sqrtf128(x: f128) -> f128 {
    return super::generic::sqrt(x);
}