forked from StrafesNET/strafe-client
return fixed length array and len to avoid heap allocation
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08d4e7d997
commit
01a8efe4d4
@ -2,7 +2,7 @@
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use crate::integer::Planar64;
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use crate::integer::Planar64;
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#[inline]
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#[inline]
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pub fn zeroes2(a0:Planar64,a1:Planar64,a2:Planar64) -> Vec<Planar64>{
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pub fn zeroes2<'a>(a0:Planar64,a1:Planar64,a2:Planar64)->&'a [Planar64]{
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if a2==Planar64::ZERO{
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if a2==Planar64::ZERO{
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return zeroes1(a0,a1);
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return zeroes1(a0,a1);
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}
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}
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@ -12,21 +12,21 @@ pub fn zeroes2(a0:Planar64,a1:Planar64,a2:Planar64) -> Vec<Planar64>{
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let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()});
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let planar_radicand=Planar64::raw(unsafe{(radicand as f64).sqrt().to_int_unchecked()});
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//TODO: one or two newtons
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//TODO: one or two newtons
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if Planar64::ZERO<a2{
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if Planar64::ZERO<a2{
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return vec![(-a1-planar_radicand)/(a2*2),(-a1+planar_radicand)/(a2*2)];
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&[(-a1-planar_radicand)/(a2*2),(-a1+planar_radicand)/(a2*2)]
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}else{
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}else{
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return vec![(-a1+planar_radicand)/(a2*2),(-a1-planar_radicand)/(a2*2)];
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&[(-a1+planar_radicand)/(a2*2),(-a1-planar_radicand)/(a2*2)]
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}
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}
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}else if radicand==0{
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}else if radicand==0{
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return vec![a1/(a2*-2)];
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&[a1/(a2*-2)]
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}else{
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}else{
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return vec![];
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&[]
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}
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}
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}
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}
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#[inline]
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#[inline]
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pub fn zeroes1(a0:Planar64,a1:Planar64) -> Vec<Planar64> {
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pub fn zeroes1<'a>(a0:Planar64,a1:Planar64)->&'a [Planar64]{
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if a1==Planar64::ZERO{
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if a1==Planar64::ZERO{
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return vec![];
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&[]
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}else{
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}else{
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return vec![-a0/a1];
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&[-a0/a1]
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}
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}
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}
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}
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