use crate::num::arithmetic::traits::{Ceiling, CeilingAssign};
macro_rules! impl_ceiling {
($f:ident) => {
impl Ceiling for $f {
type Output = $f;
/// This is a wrapper over the `ceil` functions in [`libm`]
#[inline]
fn ceiling(self) -> $f {
libm::Libm::<$f>::ceil(self)
}
}
impl CeilingAssign for $f {
/// Replaces a number with its ceiling.
///
/// A number's ceiling is the smallest integer greater than or equal to the number.
///
/// $x \gets \lceil x \rceil$.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// See [here](super::ceiling#ceiling_assign).
#[inline]
fn ceiling_assign(&mut self) {
*self = self.ceiling();
}
}
};
}
apply_to_primitive_floats!(impl_ceiling);