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use crate::*; pub(crate) trait Splat<T> { fn splat(val: T) -> Self; } impl Splat<f32> for f32 { #[inline(always)] fn splat(val: f32) -> Self { val } } impl Splat<f64> for f64 { #[inline(always)] fn splat(val: f64) -> Self { val } } pub trait EqualsEps { fn eq_eps(self, other: Self) -> bool; } macro_rules! impl_eq_eps_wide { ($($t:ident),+) => { $(impl EqualsEps for $t { fn eq_eps(self, other: Self) -> bool { let r = (self - other).abs(); let eps = $t::splat(0.01); r.cmp_ge(eps).none() } })+ }; } impl_eq_eps_wide!(f32x4, f32x8, f64x2, f64x4); impl EqualsEps for f32 { fn eq_eps(self, other: Self) -> bool { let diff = (self - other).abs(); if diff <= 0.01 { true } else { println!( "{} should equal {} with epsilon 0.01 but doesn't.", self, other ); false } } } impl EqualsEps for f64 { fn eq_eps(self, other: Self) -> bool { let diff = (self - other).abs(); if diff <= 0.01 { true } else { println!( "{} should equal {} with epsilon 0.01 but doesn't.", self, other ); false } } } #[macro_export] macro_rules! derive_default_identity { ($t:ident) => { impl Default for $t { #[inline] fn default() -> Self { Self::identity() } } }; }