blocksrey/strafe-client
1
Fork 0
forked from StrafesNET/strafe-client
Code Issues Pull Requests Packages Projects Releases Wiki Activity

improve zeroes precision

Browse Source
This commit is contained in:
Quaternions 2023-11-29 21:21:10 -08:00
parent fbae4d9f80
commit c201a1a626
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/zeroes.rs
View File

@ -11,10 +11,12 @@ pub fn zeroes2(a0:Planar64,a1:Planar64,a2:Planar64) -> Vec<Planar64>{
//start with f64 sqrt //start with f64 sqrt
let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()}); let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()});
//TODO: one or two newtons //TODO: one or two newtons
if Planar64::ZERO<a2 { //sort roots ascending and avoid taking the difference of large numbers
return vec![(-a1-planar_radicand)/(a2*2),(-a1+planar_radicand)/(a2*2)]; match (Planar64::ZERO<a2,Planar64::ZERO<a1){
} else { (true, true )=>vec![(-a1-planar_radicand)/(a2*2),(a0*2)/(-a1-planar_radicand)],
return vec![(-a1+planar_radicand)/(a2*2),(-a1-planar_radicand)/(a2*2)]; (true, false)=>vec![(a0*2)/(-a1+planar_radicand),(-a1+planar_radicand)/(a2*2)],
(false,true )=>vec![(a0*2)/(-a1-planar_radicand),(-a1-planar_radicand)/(a2*2)],
(false,false)=>vec![(-a1+planar_radicand)/(a2*2),(a0*2)/(-a1+planar_radicand)],
} }
} else if radicand==0 { } else if radicand==0 {
return vec![a1/(a2*-2)]; return vec![a1/(a2*-2)];