noise-functions 0.8.4

A collection of fast and lightweight noise functions.
Documentation 
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#[cfg(feature = "nightly-simd")]
use core::simd::Simd;

use crate::{math::floor, Noise, Sample};

/// Computes the largest integer less than or equal to the output value.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct Floor<A> {
    pub noise: A,
}

impl<N> Noise for Floor<N> {}

impl<const DIM: usize, N> Sample<DIM> for Floor<N>
where
    N: Sample<DIM>,
{
    #[inline]
    fn sample_with_seed(&self, point: [f32; DIM], seed: i32) -> f32 {
        floor(self.noise.sample_with_seed(point, seed))
    }
}

#[cfg(feature = "nightly-simd")]
impl<const DIM: usize, const LANES: usize, N> Sample<DIM, Simd<f32, LANES>> for Floor<N>
where
    N: Sample<DIM, Simd<f32, LANES>>,
{
    #[inline]
    fn sample_with_seed(&self, point: Simd<f32, LANES>, seed: i32) -> f32 {
        floor(self.noise.sample_with_seed(point, seed))
    }
}