* bug#66433: 30.0.50; Update astronomial length units in Calc @ 2023-10-10 10:09 Ulrich Müller 2023-10-10 12:16 ` Eli Zaretskii 2023-10-10 12:29 ` Mattias Engdegård 0 siblings, 2 replies; 5+ messages in thread From: Ulrich Müller @ 2023-10-10 10:09 UTC (permalink / raw) To: 66433 OK to merge this to master? From 44fcab5b4ec5e1175dd03e7c1b92e577ec689189 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ulrich=20M=C3=BCller?= <ulm@gentoo.org> Date: Tue, 10 Oct 2023 11:58:03 +0200 Subject: [PATCH] Update astronomical length units in Calc * lisp/calc/calc-units.el (math-standard-units): Update the astronomical unit and the parsec, using their definitions by the International Astronomical Union. --- lisp/calc/calc-units.el | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/lisp/calc/calc-units.el b/lisp/calc/calc-units.el index 988fef2fcd2..96cf0840d15 100644 --- a/lisp/calc/calc-units.el +++ b/lisp/calc/calc-units.el @@ -57,12 +57,14 @@ math-standard-units ( ft "12 in" "Foot") ( yd "3 ft" "Yard" ) ( mi "5280 ft" "Mile" ) - ( au "149597870691. m" "Astronomical Unit" nil - "149597870691 m (*)") - ;; (approx) NASA JPL (https://neo.jpl.nasa.gov/glossary/au.html) + ( au "149597870700. m" "Astronomical Unit" nil + "149597870700 m") + ;; "149 597 870 700 m exactly" + ;; http://www.iau.org/static/resolutions/IAU2012_English.pdf ( lyr "c yr" "Light Year" ) - ( pc "3.0856775854*10^16 m" "Parsec (**)" nil - "3.0856775854 10^16 m (*)") ;; (approx) ESUWM + ( pc "(648000/pi) au" "Parsec (**)") + ;; "The parsec is defined as exactly (648 000/π) au" + ;; http://www.iau.org/static/resolutions/IAU2015_English.pdf ( nmi "1852 m" "Nautical Mile" ) ( fath "6 ft" "Fathom" ) ( fur "660 ft" "Furlong") -- 2.42.0 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* bug#66433: 30.0.50; Update astronomial length units in Calc 2023-10-10 10:09 bug#66433: 30.0.50; Update astronomial length units in Calc Ulrich Müller @ 2023-10-10 12:16 ` Eli Zaretskii 2023-10-10 12:29 ` Mattias Engdegård 1 sibling, 0 replies; 5+ messages in thread From: Eli Zaretskii @ 2023-10-10 12:16 UTC (permalink / raw) To: Ulrich Müller; +Cc: 66433 > From: Ulrich Müller <ulm@gentoo.org> > Date: Tue, 10 Oct 2023 12:09:39 +0200 > > OK to merge this to master? > > >From 44fcab5b4ec5e1175dd03e7c1b92e577ec689189 Mon Sep 17 00:00:00 2001 > From: =?UTF-8?q?Ulrich=20M=C3=BCller?= <ulm@gentoo.org> > Date: Tue, 10 Oct 2023 11:58:03 +0200 > Subject: [PATCH] Update astronomical length units in Calc > > * lisp/calc/calc-units.el (math-standard-units): Update the > astronomical unit and the parsec, using their definitions by the > International Astronomical Union. Yes, thanks. ^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#66433: 30.0.50; Update astronomial length units in Calc 2023-10-10 10:09 bug#66433: 30.0.50; Update astronomial length units in Calc Ulrich Müller 2023-10-10 12:16 ` Eli Zaretskii @ 2023-10-10 12:29 ` Mattias Engdegård 2023-10-10 13:02 ` Ulrich Mueller 1 sibling, 1 reply; 5+ messages in thread From: Mattias Engdegård @ 2023-10-10 12:29 UTC (permalink / raw) To: Ulrich Müller; +Cc: 66433 > - ( au "149597870691. m" "Astronomical Unit" nil > - "149597870691 m (*)") > - ;; (approx) NASA JPL (https://neo.jpl.nasa.gov/glossary/au.html) > + ( au "149597870700. m" "Astronomical Unit" nil Other units with exact definitions don't seem to use floats, so perhaps the dot should go? > + "149597870700 m") > + ;; "149 597 870 700 m exactly" > + ;; http://www.iau.org/static/resolutions/IAU2012_English.pdf ^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#66433: 30.0.50; Update astronomial length units in Calc 2023-10-10 12:29 ` Mattias Engdegård @ 2023-10-10 13:02 ` Ulrich Mueller 2023-10-10 13:35 ` Mattias Engdegård 0 siblings, 1 reply; 5+ messages in thread From: Ulrich Mueller @ 2023-10-10 13:02 UTC (permalink / raw) To: Mattias Engdegård; +Cc: 66433 >>>>> On Tue, 10 Oct 2023, Mattias Engdegård wrote: >> - ( au "149597870691. m" "Astronomical Unit" nil >> - "149597870691 m (*)") >> - ;; (approx) NASA JPL (https://neo.jpl.nasa.gov/glossary/au.html) >> + ( au "149597870700. m" "Astronomical Unit" nil > Other units with exact definitions don't seem to use floats, so > perhaps the dot should go? Good point. Commit updated and merged. >> + "149597870700 m") >> + ;; "149 597 870 700 m exactly" >> + ;; http://www.iau.org/static/resolutions/IAU2012_English.pdf ^ permalink raw reply [flat|nested] 5+ messages in thread
* bug#66433: 30.0.50; Update astronomial length units in Calc 2023-10-10 13:02 ` Ulrich Mueller @ 2023-10-10 13:35 ` Mattias Engdegård 0 siblings, 0 replies; 5+ messages in thread From: Mattias Engdegård @ 2023-10-10 13:35 UTC (permalink / raw) To: Ulrich Mueller; +Cc: 66433 10 okt. 2023 kl. 15.02 skrev Ulrich Mueller <ulm@gentoo.org>: >> Other units with exact definitions don't seem to use floats, so >> perhaps the dot should go? > > Good point. Commit updated and merged. Excellent, and thank you for doing this! ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-10-10 13:35 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2023-10-10 10:09 bug#66433: 30.0.50; Update astronomial length units in Calc Ulrich Müller 2023-10-10 12:16 ` Eli Zaretskii 2023-10-10 12:29 ` Mattias Engdegård 2023-10-10 13:02 ` Ulrich Mueller 2023-10-10 13:35 ` Mattias Engdegård
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