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use num_complex::Complex;
use simba::simd::SimdValue;
use std::ops::Deref;

use crate::base::Unit;
use crate::geometry::UnitComplex;
use crate::SimdRealField;

impl<T: SimdRealField> SimdValue for UnitComplex<T>
where
    T::Element: SimdRealField,
{
    const LANES: usize = T::LANES;
    type Element = UnitComplex<T::Element>;
    type SimdBool = T::SimdBool;

    #[inline]
    fn splat(val: Self::Element) -> Self {
        Unit::new_unchecked(Complex::splat(val.into_inner()))
    }

    #[inline]
    fn extract(&self, i: usize) -> Self::Element {
        Unit::new_unchecked(self.deref().extract(i))
    }

    #[inline]
    unsafe fn extract_unchecked(&self, i: usize) -> Self::Element {
        Unit::new_unchecked(self.deref().extract_unchecked(i))
    }

    #[inline]
    fn replace(&mut self, i: usize, val: Self::Element) {
        self.as_mut_unchecked().replace(i, val.into_inner())
    }

    #[inline]
    unsafe fn replace_unchecked(&mut self, i: usize, val: Self::Element) {
        self.as_mut_unchecked()
            .replace_unchecked(i, val.into_inner())
    }

    #[inline]
    fn select(self, cond: Self::SimdBool, other: Self) -> Self {
        Unit::new_unchecked(self.into_inner().select(cond, other.into_inner()))
    }
}