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iter wrong code but it has no red squiggle

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Quaternions 2023-10-26 20:16:45 -07:00
parent ee7df7787a
commit f7ee18076a
1 changed files with 11 additions and 11 deletions
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22
src/zeroes.rs
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@ -2,31 +2,31 @@
use crate::integer::Planar64;
#[inline]
pub fn zeroes2<'a>(a0:Planar64,a1:Planar64,a2:Planar64)->&'a [Planar64]{
if a2==Planar64::ZERO{
return zeroes1(a0,a1);
}
pub fn zeroes2(a0:Planar64,a1:Planar64,a2:Planar64)->impl std::iter::IntoIterator{
// if a2==Planar64::ZERO{
// return zeroes1(a0,a1);
// }
let radicand=a1.get() as i128*a1.get() as i128-a2.get() as i128*a0.get() as i128*4;
if 0<radicand{
//start with f64 sqrt
let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()});
//TODO: one or two newtons
if Planar64::ZERO<a2{
[(-a1-planar_radicand)/(a2*2),(-a1+planar_radicand)/(a2*2)].as_slice()
[(-a1-planar_radicand)/(a2*2),(-a1+planar_radicand)/(a2*2)].into_iter()
}else{
[(-a1+planar_radicand)/(a2*2),(-a1-planar_radicand)/(a2*2)].as_slice()
[(-a1+planar_radicand)/(a2*2),(-a1-planar_radicand)/(a2*2)].into_iter()
}
}else if radicand==0{
[a1/(a2*-2)].as_slice()
[a1/(a2*-2),Planar64::ZERO].into_iter()
}else{
&[]
[Planar64::ZERO,Planar64::ZERO].into_iter()
}
}
#[inline]
pub fn zeroes1<'a>(a0:Planar64,a1:Planar64)->&'a [Planar64]{
pub fn zeroes1(a0:Planar64,a1:Planar64)->impl std::iter::IntoIterator{
if a1==Planar64::ZERO{
&[]
return [Planar64::ZERO].into_iter();
}else{
[-a0/a1].as_slice()
return [-a0/a1].into_iter();
}
}