research: Dütsch driver — periodic Morison bases from step mod T

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-30 11:00:06 +00:00
parent 04a33246a1
commit 9cfcd8bb96
2 changed files with 2 additions and 1 deletions
@@ -73,6 +73,7 @@ def test_geometry_repeats_exactly_across_cycles():
            v0 = p.position(m + 1, T, A) - p.position(m, T, A)
            assert p.position(m + 1 + c * T, T, A) - p.position(m + c * T, T, A) == v0
    assert p.cycle(T // 4 + 5 * T, T) == 6  # unwrapped index stays separate
+    assert p.interval_bases(123 + 7 * T, T) == p.interval_bases(123, T)


 def test_exact_point_inside_body_is_missing_even_with_fluid_corners():