Xtrack version 0.46.1

Changes:

• Fix in tests for GPU

Full Changelog: v0.46.0...v0.46.1

Xtrack version 0.46.0

Changes:

• Updat interface for inequalities in Optimizer. Add support for smooth transition at inequality boundary.
• Introduce Target.freeze() and Target.unfreeze().
• Fix issue with empty MultiSetter.
• Use progress bars instead of counters.
• Remove need for tracker in Line.survey.
• In tests assert that no buffers are allocated at the end of each test (avoid memory leakage).

Full Changelog: v0.45.0...v0.46.0

Xtrack version 0.45.0

Changes:

• Add chromatic functions (ax, ay, bx, by, wx, wy) to twiss results.
• Reduce memory consumption in test_radiation
• Add properties to TwissInit to obtain the corresponding lattice functions.

Full Changelog: v0.44.1...v0.45.0

Xtrack version 0.44.1

Change:

• Add example with Dynamic Aperture study.

Full Changelog: v0.44.0...v0.44.1

Xtrack version 0.44.0

Changes:

• Introduced EnergyProgram associated to the line to simulate energy ramp.
• Introduced SecondOrderTaylorMap, Line.compute_T_matrix(...), Line.get_line_with_second_order_maps(...).
• Fix buffer handling in Line.insert when using OpenMP.
• Automatically disable prebuilt kernels when multiple threads are requested.
• Refactor Drift to have independent functions for exact and expanded.
• Added name_prefix argument in MadLoader.
• Adjust symplecticity tolerances in twiss.

Full Changelog: v0.43.0...v0.44.0

Xtrack version 0.43.0

Changes:

• Introduce computation of equilibrium emittance from non-symplectic matrix.
• New features in twiss: compute_R_element_by_element, compute_lattice_functions, compute_chromatic_properties.
• Make dependency on xfields optional.
• Fixes in equilibrium emittance calculation.
• Fixes in thick slicing.
• Fix in tapering with assigned delta0.
• Checks on radiation energy spectrum.
• Modified FCC-ee example to use thick bends for the wiggler.
• In LHC collider examples and tests, replace solenoids with drifts.

Full Changelog: v0.42.0...v0.43.0

Xtrack version 0.42.0

Changes:

• Introduce thick Solenoid beam element.
• Introduce stability diagram calculation.
• Introduce BeamPositionMonitor, BeamSizeMonitor, BeamProfileMonitor.
• Support thick elements in line definition from xsuite sequence.
• Support element-by-element particles monitor in collective mode.
• Introduce mode="thick" in slicing strategies.
• Introduce cross-platform atomic add headers/atomicadd.h.

Full Changelog: v0.41.2...v0.42.0

Xtrack version 0.41.2

Changes

• Introduces thick Sextupole element (implemented as a thin kick between two drifts). It can be sliced into an arbitrary number of elements.
• Fix in twiss (backward twiss with custom twiss_init)
• Pickle line without serializing xdeps manager (needs xdeps v0.4.1)
• Reorganize FCC examples.

Full Changelog: v0.41.1...v0.41.2

Xtrack version v0.41.1

Changes:

• Fixes an issue with xsuite-prebuild when xtrack is installed from pypi

Full Changelog: v0.41.0...v0.41.1

Xtrack version 0.41.0

Changes:

• Introduce computation of equilibrium emittances in the result of twiss(..., ene_loss_and_damping=True).
• Introduce Line.match(compensate_radiation_energy_loss=True).
• Introduce Line.vv as alias of Line.varval.
• Introduce Line.attr for quick extraction of commonly used element attributes (length, hxl, hyl, low order strengths).
• Introduce backtrack for CombinedFunctionMagnet.
• Introduce Line.metadata and Multiline.metadata.
• Introduce Target(..., optimize_log=True) flag to optimize the logarithm of a quantity.
• Introduce support for Int64 attributes in Multisetter.
• Introduce TwissInit.to_dict(...), TwissInit.from_dict(...), TwissInit.to_json(...), TwissInit.from_json(...).
• Refactor prebuilt kernel management to control the order in which they are checked.
• Refactor Line.compensate_radiation_energy_loss() to preserve expressions. New implementation is also considerably faster.
• Switched to radiation_method = "kick_as_co" as default in the presence of radiation (significantly faster than full).
• Fix sign error on weak focusing from hyl in multipole.
• In mad_loader, add entry and exit markers also for thin elements that are not markers themselves.
• Use shorter suffix when splitting drifts to insert elements.
• Performance improvement in line.__getitem__.
• Improved speed in LastTurnMonitor.

Full Changelog: v0.40.2...v0.41.0