mathlib-fp2.2.0
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Closed 1.10.0 capability manifest

Version 1.9.9 closes the additive public work assigned to 1.10.0. This page explains the closed manifest; the machine-readable source is capability-manifest-1.10.0.json, checked by tools/check_convergence.py against the roadmap, the 1.9.3 API decision, the 1.9.7 migration rehearsal, and the frozen 1.9 API snapshot.

The manifest is a declaration list, not an implementation. 1.9.9 adds no public declaration; 1.10.0 implements exactly the closed declarations and nothing else.

Accepted declaration: TVector2D.Rotate

1.10.0 adds one allocation-free value operation to GeometryLib.Geometry:


function TVector2D.Rotate(const Angle: Double): TVector2D;

Closed behavior contract:

  • Angle is in radians; positive values rotate counter-clockwise about the origin.
  • The source vector is not modified; the result is a new value.
  • The operation is O(1) and allocation-free on the fixed-size record.
  • Rotate(Pi / 2) agrees with Perpendicular and Rotate(-a) inverts Rotate(a) within a stated 1e-15 relative tolerance.
  • The magnitude is preserved within the stated tolerance for finite inputs.
  • V := V.Rotate(a) is an ordinary value assignment and is safe.
  • Rotating the zero vector returns the exact zero vector.
  • Non-finite angle or components follow the documented GeometryLib non-finite contract.

The closed test plan covers orientation, angle conventions, perpendicular agreement, magnitude preservation, source immutability, zero-vector, non-finite, and allocation-free (heap-traced) fixtures across the standard test builds. The documentation plan extends the GeometryLib reference, the runnable geometry example, the capability inventory, and the 1.10.0 release notes.

Accepted declaration: deprecation marking

1.10.0 marks no declaration as deprecated:

  • The 1.9.7 migration rehearsal retained TPressureKit, EPressureError, TVelocityKit, and EVelocityError with exact type/exception identity and no hidden dependency. That decision is closed; no warning or package move follows.
  • All 21 plain compiler aliases reviewed by the 1.9.3 decision remain retained. The common TFluidDynamicsKit/EFluidDynamicsError names stay preferred documentation for new cross-fluid code only.
  • IMatrix, TMatrixKit, and TMatrixKitSparse remain supported compatibility paths; no removal runway starts.
  • Full 1.x source compatibility is retained throughout 1.10.0.

The closed test plan re-runs the 1.9.7 consumer projects and alias-boundary package evidence against the 1.10.0 candidate and requires the alias review statuses to stay retain/review-only.

Explicit deferrals beyond 2.0

Every proposal that is not accepted into 1.10.0 is explicitly deferred rather than left open:

Proposal Routing Reason
3-D vector rotation Deferred beyond 2.0 Axis-angle/quaternion/matrix semantics plus orientation, units, normalization, and naming need a dedicated design
Bessel, elliptic, exponential-integral families Deferred beyond 2.0 No stable implementation or demonstrated downstream need
Advanced sparse direct algorithms Deferred beyond 2.0 Fill-reducing, multifrontal, distributed, out-of-core, GPU paths need separate storage/performance design
Block/flexible Krylov, AMG, parallel/SIMD dispatch Deferred beyond 2.0 No stable parallelism design; portable serial solvers remain the path
Advanced spectral families Deferred beyond 2.0 Dedicated design required beyond symmetric/Hermitian and partial solvers
Advanced DSP design and wavelet packets Deferred beyond 2.0 Conditional capability without qualified validation
Survival/factor analysis, robust covariance, boosting Deferred beyond 2.0 Prerequisite numerical validation unavailable
General model/decomposition persistence Deferred beyond 2.0 Selected adapters are stable; general persistence needs its own design
Additional domains or algorithm families Deferred beyond 2.0 New domains require the governance contribution gate

Release discipline for 1.10.0

  • 1.10.0 implements only this closed manifest plus the exact documentation, snapshot-diff, migration, and release-candidate work in the roadmap.
  • At least two 2.0 release-candidate cycles run from tagged source and offline-documentation archives; the freeze accepts only release-blocking fixes with regression evidence and a reviewed API diff.
  • 2.0.0 then requires only version/release metadata and promotion of the qualified candidate.

Closure status

unresolved_api_questions is empty. The final 1.9.9 API snapshot and diff record an empty compiled 1.9.0-to-1.9.9 diff, and every capability gap is either accepted into this manifest or explicitly deferred. No API design question remains open for the 1.10.0/2.0 handoff.