egg changed the topic of #principia to: Logs: https://esper.irclog.whitequark.org/principia | <scott_manley> anyone that doubts the wisdom of retrograde bop needs to get the hell out | https://xkcd.com/323/ | <egg> calculating the influence of lamont on Pluto is a bit silly…
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<queqiao-> ⟨egg⟩ that is a lot of eyes 🕷️ ⮪ the spider emoji is extraordinarily hard to see with the dark theme…
<queqiao-> ⟨Al2Me6⟩ ⟪egg⟫ the spider emoji is extraordinarily […] ⮪ Darn. Did not notice at all 😳
<queqiao-> ⟨lpg⟩ spiders in the dark being hard to see. appropriate
<queqiao-> ⟨lpg⟩ (and terrifying)
<queqiao-> ⟨egg⟩ > _There she sucked up all light that she could find, and spun it forth again in dark nets of strangling gloom, until no light more could come to her abode; and she was famished._
<queqiao-> ⟨lpg⟩ I was reading that this week. _puts tape over laptop camera_
<queqiao-> ⟨egg⟩ I wonder if I should investigate modules now that we are on C++20
<queqiao-> ⟨egg⟩ (considering that the C++20 upgrade made the pipelines take nearly 2 hours at times, that might be useful…)
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<queqiao-> ⟨theeo⟩ is there a tutorial for going to lagrange points?
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<queqiao-> ⟨theeo⟩ how is it outdated?
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<queqiao-> ⟨von Kerman⟩ Old principia version, mentions reference frames that don't exist anymore
<queqiao-> ⟨theeo⟩ makes sense
<queqiao-> ⟨theeo⟩ thank you though
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<queqiao-> ⟨rnlahaye⟩ ⟪egg⟫ (considering that the C++20 upgrade […] ⮪ Faster compile times are always nice. I’ll give it a try on my end and see what it does to the macOS build time.
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<queqiao-> ⟨egg⟩ Yeah, but modules are definitely going to be a major refactor, so I probably want to play with it for a bit so I can figure out how we want to use them.
<queqiao-> ⟨expanders are superior⟩ When’s the next big principia release planned?
<queqiao-> ⟨Stonesmile⟩ new moon (according to the observatory in Paris IIRC?)
<raptop> Yeah, releases are always on new moons
<queqiao-> ⟨expanders are superior⟩ Will the next release have all the fancy reworks
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<queqiao-> ⟨theeo⟩ ⟪von Kerman⟫ Something outdated exists […] ⮪ will i still see that bean-shaped orbit in the MKO/MEO reference frame? the one in current versions of principia? that’s what i was looking for
<queqiao-> ⟨von Kerman⟩ To be honest, I don't know
<queqiao-> ⟨egg⟩ yes
<queqiao-> ⟨egg⟩ For a circular orbit, that frame is identical to the old barycentric rotating frame.
<queqiao-> ⟨egg⟩ For non-circular orbits, the barycentric rotating frame was an unusable mess anyway.
<queqiao-> ⟨theeo⟩ ⟪egg⟫ For a circular orbit, that frame is […] ⮪ oh, alright, thank you!
<_whitenotifier-653e> [Principia] pleroy commented on pull request #3301: Optimizations for DiscreteTrajectory - https://github.com/mockingbirdnest/Principia/pull/3301#issuecomment-1020550952
<queqiao-> ⟨rocketman⟩ Modules are pretty cool. It's definitely a different style of programming than "#include", and I can see it having a lot of use cases where you don't need to make use of every function in a library
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<_whitenotifier-653e> [Principia] pleroy commented on pull request #3304: Make not_null<foo*> trivially copyable. - https://github.com/mockingbirdnest/Principia/pull/3304#issuecomment-1020636106