Add all 41 metrics from Motion4D library with citations and CUDA-compatible special functions#1

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acdemiralp with Copilot wants to merge 23 commits into

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copilot/add-missing-metrics

Commits on Jan 27, 2026

Initial plan
Copilot
committed
Add citation to Motion4D and implement first batch of metrics (Kasner, PainleveGullstrand, MinkowskiConformal)

Copilot
and
acdemiralp
committed
Add SchwarzschildIsotropic metric - Schwarzschild in isotropic Cartesian coordinates

Copilot
and
acdemiralp
committed
Add VaidyaIncRad metric - time-varying black hole with incoming radiation

Copilot
and
acdemiralp
committed
Add comprehensive documentation for Motion4D metrics implementation status

Copilot
and
acdemiralp
committed
Add GoedelCart metric - Goedel universe in Cartesian coordinates

Copilot
and
acdemiralp
committed
Add 4 more metrics: GoedelScaled variants, DeSitterUnivConf, EddingtonFinkelsteinIngoing

Copilot
and
acdemiralp
committed
Add 3 more metrics: MinkowskiRotatingLattice, Curzon (13/41 = 32%)

Copilot
and
acdemiralp
committed
Update MOTION4D_METRICS.md documentation with current progress (13/41 implemented)

Copilot
and
acdemiralp
committed
Add ChazyCurzonRot metric - rotating Chazy-Curzon solution (14/41)

Copilot
and
acdemiralp
committed
Add StraightSpinningString and AlcubierreSimple metrics (16/41 = 39%)

Copilot
and
acdemiralp
committed
Add 11 new metrics: Ernst, ErnstSchwarzschild, RotDihole, SultanaDyer, and PTD series (AI-C)

Copilot
and
acdemiralp
committed
Update MOTION4D_METRICS.md with completion status: 24/41 metrics (59%)

Copilot
and
acdemiralp
committed
Fix code review issues: use consts::epsilon and add check_termination to RotDihole

Copilot
and
acdemiralp
committed
Add 11 more metrics: Ernst, ErnstSchwarzschild, SultanaDyer, RotDihole, PTD variants (26/41 = 63%)

Copilot
and
acdemiralp
committed
Implement 4 additional Motion4D metrics: TeoWHl, TaubNUT, ErezRosenVar, TeoSimpleWH

Copilot
and
acdemiralp
committed
Add Pravda_C metric for accelerating black holes

Copilot
and
acdemiralp
committed
Fix code review issues: remove unused variables and fix duplicates

Copilot
and
acdemiralp
committed
Add 5 more metrics: TeoWHl, TaubNUT, ErezRosenVar, TeoSimpleWH, Pravda_C (31/41 = 76%)

Copilot
and
acdemiralp
committed

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Add all 41 metrics from Motion4D library with citations and CUDA-compatible special functions#1

Add all 41 metrics from Motion4D library with citations and CUDA-compatible special functions#1
acdemiralp with Copilot wants to merge 23 commits into
mainfrom
copilot/add-missing-metrics

Commits on Jan 27, 2026

Initial plan

Add citation to Motion4D and implement first batch of metrics (Kasner, PainleveGullstrand, MinkowskiConformal)

Add SchwarzschildIsotropic metric - Schwarzschild in isotropic Cartesian coordinates

Add VaidyaIncRad metric - time-varying black hole with incoming radiation

Add comprehensive documentation for Motion4D metrics implementation status

Add GoedelCart metric - Goedel universe in Cartesian coordinates

Add 4 more metrics: GoedelScaled variants, DeSitterUnivConf, EddingtonFinkelsteinIngoing

Add 3 more metrics: MinkowskiRotatingLattice, Curzon (13/41 = 32%)

Update MOTION4D_METRICS.md documentation with current progress (13/41 implemented)

Add ChazyCurzonRot metric - rotating Chazy-Curzon solution (14/41)

Add StraightSpinningString and AlcubierreSimple metrics (16/41 = 39%)

Add 11 new metrics: Ernst, ErnstSchwarzschild, RotDihole, SultanaDyer, and PTD series (AI-C)

Update MOTION4D_METRICS.md with completion status: 24/41 metrics (59%)

Fix code review issues: use consts::epsilon and add check_termination to RotDihole

Add 11 more metrics: Ernst, ErnstSchwarzschild, SultanaDyer, RotDihole, PTD variants (26/41 = 63%)

Implement 4 additional Motion4D metrics: TeoWHl, TaubNUT, ErezRosenVar, TeoSimpleWH

Add Pravda_C metric for accelerating black holes

Fix code review issues: remove unused variables and fix duplicates

Add 5 more metrics: TeoWHl, TaubNUT, ErezRosenVar, TeoSimpleWH, Pravda_C (31/41 = 76%)

Commits on Jan 28, 2026

Implement final 2 feasible metrics from Motion4D (SchwarzschildWT, SchwarzschildGravWave)

Fix numerical stability issues in SchwarzschildGravWave and remove redundant zero assignments in SchwarzschildWT

feat: implement final 8 metrics from Motion4D with CUDA-compatible special functions

Complete all 41 Motion4D metrics with CUDA-compatible special functions (100% complete)