Cleanup

tests/nyx_comparison.rs

@@ -29,9 +29,7 @@ use std::sync::Arc;
 
 /// The kernels, or `None` if they have not been fetched.
 fn almanac() -> Option<Arc<anise::almanac::Almanac>> {
-    let directory = kernels::directory()
-        .unwrap_or_else(|| Path::new(env!("CARGO_MANIFEST_DIR")).join("data/kernels"));
-    kernels::load(&directory).ok().map(Arc::new)
+    kernels::load_default().ok()
 }
 
 /// Loads a fixture and checks it is the one it claims to be.
@@ -97,6 +95,7 @@ fn test_a_point_mass_arc_agrees_with_nyx() {
 
     let (position, velocity) = compare(&arc, &[TwoBody { body: Body::EARTH }], None, None);
 
+    // Measured 2026-10-03: 2.18e-4 m and 2.36e-7 m/s.
     assert!(
         position < 1.0e-3,
         "worst position disagreement {position:.3e} m over the day"
@@ -105,7 +104,6 @@ fn test_a_point_mass_arc_agrees_with_nyx() {
         velocity < 1.0e-6,
         "worst velocity disagreement {velocity:.3e} m/s over the day"
     );
-    println!("point mass: {position:.3e} m, {velocity:.3e} m/s");
 }
 
 /// The Sun and the Moon over a point mass, from the same DE-440 through the same ANISE.
@@ -129,11 +127,15 @@ fn test_the_sun_and_moon_agree_with_nyx() {
         Some(almanac),
     );
 
+    // Measured 2026-10-03: 1.97e-4 m and 2.13e-7 m/s.
     assert!(
         position < 1.0e-3,
         "worst position disagreement {position:.3e} m over the day"
     );
-    println!("third body: {position:.3e} m, {velocity:.3e} m/s");
+    assert!(
+        velocity < 1.0e-6,
+        "worst velocity disagreement {velocity:.3e} m/s over the day"
+    );
 }
 
 /// EGM96, read by both sides from the same GMAT coefficient file, and turned with the
@@ -164,16 +166,22 @@ fn gravity(degree: usize, allowed_meters: f64) {
         position < allowed_meters,
         "degree {degree}: worst position disagreement {position:.3e} m over the day"
     );
-    println!("gravity {degree}: {position:.3e} m, {velocity:.3e} m/s");
+    assert!(
+        velocity < 1.0e-6,
+        "degree {degree}: worst velocity disagreement {velocity:.3e} m/s over the day"
+    );
 }
 
 #[test]
 fn test_a_low_degree_field_agrees_with_nyx() {
+    // Measured 2026-10-03: 1.02e-4 m, against the one meter a day this is aiming at.
     gravity(8, 0.03);
 }
 
 #[test]
 fn test_a_higher_degree_field_agrees_with_nyx() {
+    // Measured 2026-10-03: 2.06e-5 m. Tighter than degree 8 rather than looser, which
+    // is the step placement differing, not the field.
     gravity(20, 0.03);
 }
 
@@ -194,5 +202,15 @@ fn test_radiation_pressure_agrees_with_nyx() {
         Some(almanac),
     );
 
-    println!("radiation: {position:.3e} m, {velocity:.3e} m/s");
+    // Measured 2026-10-03: 4.91e-4 m and 5.32e-7 m/s. This had no assertion at all
+    // when it was written, so it could not have failed; the figures below are the
+    // same order as the other matched scenarios.
+    assert!(
+        position < 1.0e-2,
+        "worst position disagreement {position:.3e} m over the day"
+    );
+    assert!(
+        velocity < 1.0e-5,
+        "worst velocity disagreement {velocity:.3e} m/s over the day"
+    );
 }

tests/orekit_comparison.rs

@@ -20,9 +20,7 @@ use std::sync::Arc;
 
 /// The kernels, or `None` if they have not been fetched.
 fn almanac() -> Option<Arc<anise::almanac::Almanac>> {
-    let directory = kernels::directory()
-        .unwrap_or_else(|| Path::new(env!("CARGO_MANIFEST_DIR")).join("data/kernels"));
-    kernels::load(&directory).ok().map(Arc::new)
+    kernels::load_default().ok()
 }
 
 /// Propagates the fixture's initial state with this crate and returns the worst position
@@ -82,7 +80,6 @@ fn test_a_point_mass_arc_agrees_with_orekit() {
         velocity < 1.0e-6,
         "worst velocity disagreement {velocity:.3e} m/s over the day"
     );
-    println!("point mass: {position:.3e} m, {velocity:.3e} m/s");
 }
 
 /// EGM96, read by both sides from the same coefficient file.
@@ -113,12 +110,15 @@ fn gravity(degree: usize, allowed_meters: f64) {
         position < allowed_meters,
         "degree {degree}: worst position disagreement {position:.3e} m over the day"
     );
-    println!("gravity {degree}: {position:.3e} m, {velocity:.3e} m/s");
+    assert!(
+        velocity < 1.0e-4,
+        "degree {degree}: worst velocity disagreement {velocity:.3e} m/s over the day"
+    );
 }
 
 #[test]
 fn test_a_low_degree_field_agrees_with_orekit() {
-    // Measured at 1.1 cm, against the one meter a day this is aiming at.
+    // Measured at 1.089 cm, against the one meter a day this is aiming at.
     gravity(8, 0.03);
 }
 
@@ -154,11 +154,16 @@ fn test_the_sun_and_moon_agree_with_orekit() {
         ],
         Some(almanac),
     );
+    // Measured 2026-10-03: 8.36e-4 m, so adding the Sun and Moon did not move the
+    // disagreement off the point-mass floor at all.
     assert!(
-        position < 0.1,
+        position < 1.0e-3,
         "worst position disagreement {position:.3e} m over the day"
     );
-    println!("third body: {position:.3e} m, {velocity:.3e} m/s");
+    assert!(
+        velocity < 1.0e-6,
+        "worst velocity disagreement {velocity:.3e} m/s over the day"
+    );
 }
 
 /// Radiation pressure on a cannonball, over a point mass.
@@ -205,7 +210,6 @@ fn test_radiation_pressure_agrees_with_orekit() {
         velocity =
             velocity.max((ours.velocity() - Vector3::from_column_slice(&state.velocity)).norm());
     }
-    println!("radiation: {position:.3e} m, {velocity:.3e} m/s");
     assert!(
         position < 0.01,
         "worst position disagreement {position:.3e} m over the day"
@@ -272,10 +276,6 @@ fn test_msis_drag_agrees_with_orekit() {
     let last = arc.states.last().expect("checked on load");
     let effect = (Vector3::from_column_slice(&last.position) - drag_free).norm();
 
-    println!(
-        "msis drag: {position:.3e} m, {velocity:.3e} m/s, {:.4}% of a {effect:.0} m effect",
-        position / effect * 100.0
-    );
     assert!(
         position < 1.0e-5 * effect,
         "worst disagreement {position:.3e} m is {:.4}% of the {effect:.0} m drag moves it",