Release notes#

These notes document the changes between individual GLASS releases.

2023.5 (31 May 2023)#

  • The point sampling functions in glass.points now accept extra dimensions, and will broadcast leading axes across their inputs. They also return an additional scalar or array with the counts of sampled galaxies.

  • The redshift sampling function glass.galaxies.redshifts_from_nz() now supports array input for the counts argument. It accepts e.g. the number of galaxies returned by the position sampling.

  • The profiling functionality in glass.user was removed in favour of external packages.

2023.2 (1 Mar 2023)#

  • New user functions glass.user.save_cls() and glass.user.load_cls() to save and load angular power spectra in the GLASS format.

  • Some type hints were added to library functions. These are mostly perfunctory at this time, but there is interest in adding proper typing support in the future, including use of the Array API.

  • The glass.matter module was removed in favour of the more appropriately-named glass.shells module for shell definitions.

  • Instead of using an array of shell boundaries and separate MatterWeights, shells are now entirely defined by a glass.shells.RadialWindow window function.

  • Many functions have an improved interface thanks to the previous point:

    • The glass.math.restrict_interval function has been replaced by glass.shells.restrict(), as shells are now defined by window functions instead of sharp intervals.

    • The glass.points.effective_bias() function now takes a window function as input and computes its effective bias parameter.

    • The glass.galaxies.constant_densities and density_from_dndz functions have been removed, since densities can now easily be partitioned by window functions using glass.shells.restrict() and glass.shells.partition().

    • The zmin and zmax parameters of glass.galaxies.redshifts_from_nz have been removed for the same reason.

    • The glass.lensing.multi_plane_weights function, which computed all lensing weights at once, is replaced by the add_window method of glass.lensing.MultiPlaneConvergence, which adds a convergence plane given by a RadialWindow at its effective redshift.

    • The glass.lensing.multi_plane_matrix() function now takes a sequence of RadialWindow. It no longer returns the list of source redshifts, since these are now independently available as the effective redshifts of the windows.

  • The arguments of the MultiPlaneConvergence method add_plane have been renamed to zsrc and wlens from the more ambiguous z and w (which could be confused with “window”). The properties z and w that returned these values have been similarly changed.

2023.1 (31 Jan 2023)#

  • Initial wide release for GLASS paper

    This was the initial full release of GLASS, coinciding with the release of preprint arXiv:2302.01942.