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ReachIsWhatTheShipCanDo: the Longinus's reach is bounded above by the allocated reach (1.3 nose-on, 1.2 broadside), not open

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Finding cut-thrust-allocator.s3.longinus-envelope-unbounded. The allocated reach carries the envelope's turn terms, which now include the
drives' yaw, so the measured broadside lower bound moves from .9 to .85 of it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Meta Vens 2026-10-11 00:26:43 +02:00
commit 02ca78f1e1
1 changed files with 8 additions and 4 deletions
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12
tests/Aetheria.Shared.Tests/EvasionTermTests.cs
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@ -295,7 +295,7 @@ public sealed partial class RunStartTests
// The Longinus's allocator holds the heading and pays for the drive torque out of the flank thrusters (ruling
// allocator-divergence-accepted), so the envelope's box support overstates what a controlled flight spends. Its
// measured motion is bounded by the reach of the push the allocator itself gives it on each half-axis, from the
// columns it allocates with: not below 90% of it, and above it by no more than the 15% a turning policy gains.
// columns it allocates with: not below 90% of it (85% broadside: the allocated reach now carries the drives' yaw in its turn terms), and above it by no more than the 15% a turning policy gains.
foreach (var (name, reach, allocated, measured) in results)
{
if (name == "djinni")
@ -305,10 +305,14 @@ public sealed partial class RunStartTests
}
else
{
Assert.InRange(reach.noseOn, measured.noseOn * .9f, float.MaxValue);
Assert.InRange(reach.broadside, measured.broadside * .9f, float.MaxValue);
// The envelope sums the live columns, the drives' yaw among them (turn-authority-full), so its reach sits above
// the allocated one by the turn the drives add: 1.24 nose-on and 1.12 broadside at the last measurement. The
// ceiling is that, from the columns the allocator solves with, not an open bound: an envelope inflated by a
// factor (doubled: 2.5 and 2.2) breaks it.
Assert.InRange(reach.noseOn, measured.noseOn * .9f, allocated.noseOn * 1.3f);
Assert.InRange(reach.broadside, measured.broadside * .9f, allocated.broadside * 1.2f);
Assert.InRange(measured.noseOn, allocated.noseOn * .9f, allocated.noseOn * 1.15f);
Assert.InRange(measured.broadside, allocated.broadside * .9f, allocated.broadside * 1.15f);
Assert.InRange(measured.broadside, allocated.broadside * .85f, allocated.broadside * 1.15f);
}
}
}