AmpForm 0.15.6

See all documentation for this version here.

✨ New features

• Switch of expression caches with NO_CACHE environment variable (#454)
• Implement perform_cached_substitution() for cached substitution of symbolic expressions (#454)
• Set cache directory with COMPWA_CACHE_DIR (#454)

🐛 Bug fixes

• Fix is_integer() bug for QRules v0.10.4 (#450)

🔨 Maintenance

• Update lock files (#447)

The full changelog as commits can be found here.

AmpForm 0.15.5

See all documentation for this version here.

⚠️ Enhancements and optimizations

• Compute stable hash without need for PYTHONHASHSED (#444)

⚠️ API changes

• Change to Apache license (#432)
• Drop Python 3.7 & 3.8 support due to EOL (#440)
• Define dev dependencies as dependency groups (#441)

🔨 Maintenance

• Upgrade implementation to SymPy v1.13 (#435)

🖱️ Developer Experience

• Define developer environment with uv (#439)

The full changelog as commits can be found here.

AmpForm 0.15.4

See all documentation for this version here.

⚠️ Enhancements and optimizations

• cache Blatt–Weisskopf polynomials (#428)

🖱️ Developer Experience

• implement benchmark monitoring (#427)

The full changelog as commits can be found here.

AmpForm 0.15.3

See all documentation for this version here.

🐛 Bug fixes

• Use squared FormFactor in EnergyDependentWidth (#425)

📝 Documentation

• Hide sympified attributes from expression classes (#424)

The full changelog as commits can be found here.

AmpForm 0.15.2

See all documentation for this version here.

⚠️ Enhancements and optimizations

• Blatt–Weisskopf is now formulated with spherical Hankel function for arbitrary angular momentum (#418)
• Split latex expressions with terms_per_line argument in aslatex() (#414)

✨ New features

• Implemented FormFactor expression class (#422)

⚠️ API changes

• URLs of the API page (ampform.rtfd.io) now end in .html again (#421)

🐛 Bug fixes

• **kwargs are now passed to aslatex iterable implementation (#420)

📝 Documentation

• _latex_repr_() as method implementation to @unevaluated is now explained with examples (#416)
• Switched to author-year citation style (#419)

The full changelog as commits can be found here.

AmpForm 0.15.1

See all documentation for this version here.

⚠️ Enhancements and optimizations

• SymPy caches are now written to the user cache directory (#407)
• SymPy caches are written to a different path for different versions of SymPy (#409)
• ampform.io.aslatex() now accepts custom keywords arguments for downstream dispatch overwrites (#413)

📝 Documentation

• Added versionadded to function descriptions (#410)
• Set correct widths and gammas in K-matrix widget (#408)

The full changelog as commits can be found here.

AmpForm 0.15.0

See all documentation for this version here.

⚠️ API changes

• Implement SpinAlignment interface (#306)
• Deprecate set_dynamics() method (#305 and #400)
• Remove HelicityModel.sum_components() (#304)
• Extract BuilderConfiguration class (#303)
• Rename isobar Wigner-D and CG functions (#302)
• Split helicity and kinematics module (#301)

⚠️ Changes that may affect behavior

• Remove factor 16 pi from phsp factor (#403)

✨ New features

Implemented Dalitz-Plot Decomposition (#307)

Warning

Experimental: see #309

📝 Documentation

• Show unaligned amplitudes in spin alignment page (#321)

The full changelog as commits can be found here.

AmpForm 0.14.11

See all documentation for this version here.

⚠️ Enhancements and optimizations

• Adapt implementation to QRules v0.10 (#362 and #347)

🔨 Maintenance

• Import v0.15 refactorings into v0.14 (#399)

🖱️ Developer Experience

• Switch to Ruff formatter (#398)

The full changelog as commits can be found here.

AmpForm 0.14.10

See all documentation for this version here.

✨ New features

• Added UnevaluatableIntegral class for numerical integration (#394)

⚠️ Enhancements and optimizations

• A warning is now raised if an @unevaluated class defines _latex_repr instead of _latex_repr_ (#396)

🐛 Bug fixes

• Fixed latex rendering of certain @unvevaluated expression classes (#389)

📝 Documentation

• Updated links to the new compwa.github.io website (#387)
• Remove .html from page URLs on ampform.rtfd.io (#388)
• Usage of the argument() function is now better documented (#396)

🔨 Maintenance

• Methods that are supposed to override methods of the base class are now marked with @override (#397)
• Applied new Ruff preview linting and new black formatting (#395)

The full changelog as commits can be found here.

AmpForm 0.14.8

See all documentation for this version here.

⚠️ API changes

• Renamed @unevaluated_expression() decorator to @unevaluated() (#379)
• Arguments z and angular_momentum have swapped in BlattWeisskopfSquared -- z comes first (#375)
• n_events argument is required in BoostZMatrix, RotationYMatrix, and RotationZMatrix classes (#381)
• UnevaluatedExpression template and related functions are now deprecated (#383)

⚠️ Enhancements and optimizations

• Add support for class attributes in @unevaluated expression classes (#375)
• Add support for default arguments in @unevaluated expression classes (#376)
• Add support to mark specific arguments to @unevaluated classes as non-sympiable (#380)

🐛 Bug fixes

• Sympify @unevaluated instance attributes (#374)

🔨 Maintenance

• Organize @unevaluated test functions (#377)
• Implement all expression classes of the AmpForm library with @unevaluated (#382)

🖱️ Developer Experience

• Show reasons for skipping tests when running pytest (#378)

The full changelog as commits can be found here.