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libm 0.2.15

libm in pure Rust
Documentation 
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/// Ceil (f16)
///
/// Finds the nearest integer greater than or equal to `x`.
#[cfg(f16_enabled)]
#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
pub fn ceilf16(x: f16) -> f16 {
    super::generic::ceil(x)
}

/// Ceil (f32)
///
/// Finds the nearest integer greater than or equal to `x`.
#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
pub fn ceilf(x: f32) -> f32 {
    select_implementation! {
        name: ceilf,
        use_arch: all(target_arch = "wasm32", intrinsics_enabled),
        args: x,
    }

    super::generic::ceil(x)
}

/// Ceil (f64)
///
/// Finds the nearest integer greater than or equal to `x`.
#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
pub fn ceil(x: f64) -> f64 {
    select_implementation! {
        name: ceil,
        use_arch: all(target_arch = "wasm32", intrinsics_enabled),
        use_arch_required: all(target_arch = "x86", not(target_feature = "sse2")),
        args: x,
    }

    super::generic::ceil(x)
}

/// Ceil (f128)
///
/// Finds the nearest integer greater than or equal to `x`.
#[cfg(f128_enabled)]
#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
pub fn ceilf128(x: f128) -> f128 {
    super::generic::ceil(x)
}