Xtrack version 0.46.4

Changes:

• Introduce ParticlesInjectionSample element.
• Fix issue with line save/reload when energy_program is set.
• Disable notebook progress indicator due to issue in underlying library (fall back on terminal).
• Reset _t_last_update_time_dependent_vars if tracking is restarted.
• Fix issue with progress time_last_track when progress bar is active.

Full Changelog: v0.46.3...v0.46.4

Xtrack version 0.46.3

Changes:

• Fix in tapering (correct behavior in case probe particle is lost in preliminary check).
• Fix in LineSegmentMap for frozen longitudinal motion.
• Small ring example

Full Changelog: v0.46.2...v0.46.3

Xtrack version 0.46.2

Changes:

• Introduce method for fast insertion of several thin elements.
• Add _end_point to output of line.get_table().
• Add info from Line.attr in the output of line.get_table(attr=True).
• Better error message on particles lost in twiss.
• Improvement in docstrings.
• Example changing HL-LHC beta*.
• Example matching "on_disp" knobs.

Full Changelog: v0.46.1...v0.46.2

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