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Implement IAU1980 nutation #23

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Merged
merged 9 commits into from
Nov 20, 2023
Merged

Implement IAU1980 nutation #23

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ab5d8dc
Draft implementation of IAU1980
AngusGMorrison Nov 16, 2023
211a8d4
WIP: Partial conversion between Epoch and Julian centuries
AngusGMorrison Nov 18, 2023
5867aea
Rename THRESHOLD to FUNDAMENTAL
AngusGMorrison Nov 19, 2023
e429156
Convert an Epoch to Julian centuries since J2000
AngusGMorrison Nov 19, 2023
911ed00
Get tests passing
AngusGMorrison Nov 19, 2023
86a8b94
Cover all enum variants with tests
AngusGMorrison Nov 19, 2023
4ead637
PR linting
AngusGMorrison Nov 19, 2023
148f348
Appease rustfmt
AngusGMorrison Nov 19, 2023
aa6d163
Implement PR feedback
AngusGMorrison Nov 20, 2023
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2 changes: 0 additions & 2 deletions Cargo.toml
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Expand Up @@ -15,7 +15,5 @@ authors = ["Helge Eichhorn and the lox-space contributors"]

[workspace.dependencies]
lox_core = { path = "./crates/lox_core" }
lox_io = { path = "./crates/lox_io" }
lox_py = { path = "./crates/lox_py" }
thiserror = "1.0"

5 changes: 4 additions & 1 deletion crates/lox-space/examples/iss.rs
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Expand Up @@ -16,7 +16,10 @@ fn main() {
let velocity = DVec3::new(-660.415582, 5495.938726, -5303.093233) * 1e-3;
let iss = Cartesian::new(epoch, Earth, position, velocity);

println!("ISS Orbit for Julian Day {}", iss.epoch().j2000());
println!(
"ISS Orbit for Julian Day {}",
iss.epoch().days_since_j2000(),
);
println!("=============================");
println!("Semi-major axis: {:.3} km", iss.semi_major());
println!("Eccentricity: {:.6}", iss.eccentricity());
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1 change: 1 addition & 0 deletions crates/lox_core/src/bodies.rs
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Expand Up @@ -15,6 +15,7 @@ mod generated;
pub use generated::*;

pub mod fundamental;
pub mod nutation;

#[derive(Clone, Copy, Debug, Eq, PartialEq)]
#[repr(transparent)]
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