Task 499: Integrator Comparison JSON → Report Cross-Checks
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Task 499: Integrator Comparison JSON → Report Cross-Checks
Status: DONE
Summary
Added cross-integrator comparison section to cross-episode.md and 5 new cross-check tests validating that integrator_comparison.json values are properly cited.
Changes
Report (cross-episode.md)
- Added "積分器クロスチェック（RK4 vs RK45 vs Störmer-Verlet）" subsection
- Cites specific position differences: EP01 0.015%, EP03 0.008%, EP05 0.007%
- Cites RK45 cost ratio 0.07 (15× cheaper than RK4)
- Notes Störmer-Verlet symplectic energy oscillation and machine-precision agreement for EP02 ballistic
Tests (article-content-validation.test.ts)
- 5 new tests in
integrator_comparison.json → report cross-checks:
- EP01, EP03, EP05 brachistochrone position difference percentages
- RK45 cost ratio 0.07
- Conclusion "no analysis results need updating" reflected
Impact
- All standalone calculation JSONs now have report cross-checks: relativistic_effects, 3d_orbital_analysis, integrator_comparison, onscreen_crossref (per-episode)
- Cross-episode report gains quantitative cross-integrator validation section