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MCPL_input produces slightly different results on GPU and CPU

2

Revisit algorithm differences OpenACC vs not. It seems there is differences apart from reading in INIT vs TRACE. Visible when "repeating".

willend

Consider reintroducing MCNUM where possible

4

With MCNUM in place "everywhere" in the code (with a default of double) we could easily allow to replace with single-precision. This could allow certain demeaning problems to also run...

willend

Example from Filter.comp: If multiple Filters of same material are in the same instr, the Table_Free(&(prms->table)); in FINALLY of the later ones will fail in case of "reuse". Results in...

willend

The PPD packages are no longer available it seems, so we should probably loose the perl-tool remains on Windows. Also, nxs was removed and should not be compiled at install...

willend

In the attached, a factor of 3 in intensity is seen in the plot legend between the first and last value of monitor. This is however not reflected visually. In...

willend

McStas 3.x: ViewModISIS / ISIS_moderator / interoff-related interpolation causes compilation problems with nvhpc v. 22.7

2

See e.g. http://new-nightly.mcstas.org/2022-10-05/McStas_8GPU_5e7/ViewModISIStest/compile_stdout.txt Solution is to use explicit malloc / free instead of C[Psize] D[Psize]

willend

Add circular polarization (or even the elliptical polarization general case). Check out how shadow3 takes care of it: [How SHADOW manipulates electric vectors](https://forge.epn-campus.eu/attachments/download/2478/report-shadow-efields.pdf).

antoinepado

Would be useful for virtual "event formation" in an ESS context.

willend

Newest pyqtgraph release (0.13) breaks mcplot/mxplot and mcdisplay/mxdisplay

4

Found via a fresh homebrew install on an M1 Mac, mcdisplay/mxdisplay breaks with: ``` starting particle parsing ended particle parsing module 'pyqtgraph.Qt.QtGui' has no attribute 'QApplication' ``` mcplot/mxplot breaks with:...

willend

plot-pyqtgraph: fails with Python 3.10

3

When plotting any mcstas/mcxtrace simulation, the mcplot/mxplot fails when using the default pyqtgraph renderer: ```python mxplot Test_Sqw_20220922_114217 loading system configuration q - quit p - save png s - save...

farhi