Date: Thu, 20 Jan 2011 13:14:49 -0800 From: Garrett Cooper <gcooper@FreeBSD.org> To: Warner Losh <imp@bsdimp.com> Cc: freebsd-arch@freebsd.org Subject: Re: Weed-whacking sysctl(8) Message-ID: <AANLkTi=sJznis%2BE4wWiCE7FYhNmCA_JL6-0MtGW9wGbX@mail.gmail.com> In-Reply-To: <4D38A476.10709@bsdimp.com> References: <mit.lcs.mail.freebsd-arch/AANLkTimMsy9J5Ohj0pifZ%2B9L4_mFq5z2FwUhG8y5%2B3Kh@mail.gmail.com> <mit.lcs.mail.freebsd-arch/201101191559.07713.jhb@freebsd.org> <mit.lcs.mail.freebsd-arch/20110120190703.H11630@besplex.bde.org> <201101201830.p0KIUFx9067555@hergotha.csail.mit.edu> <AANLkTinaEz7oB=bfYEKwHjvNSMmdq4H3g=Puy3focJ9o@mail.gmail.com> <4D38A476.10709@bsdimp.com>
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On Thu, Jan 20, 2011 at 1:09 PM, Warner Losh <imp@bsdimp.com> wrote: > On 01/20/2011 11:43, Garrett Cooper wrote: >> >> On Thu, Jan 20, 2011 at 10:30 AM, Garrett Wollman >> <wollman@hergotha.csail.mit.edu> =A0wrote: >>> >>> In >>> article<mit.lcs.mail.freebsd-arch/20110120190703.H11630@besplex.bde.org= >, >>> Bruce Evans writes: >>> >>>> Also, it's not Kelvin, but deci-Kelvin :-). >>> >>> If we're being pedantic, the name of the unit is the "kelvin", >>> lowercase "k", and the derived unit is the "decikelvin", lowercase "k" >>> and no hyphen. =A0The unit symbol is "K" (uppercase) for the base unit, >>> "dK" for the derived unit. =A0All SI unit names are in lower case; only >>> the symbols are (sometimes) capitalized if the unit is named after a >>> proper noun. =A0(Thus the symbol for the second is "s"; the symbol "S" >>> is for the Siemens, the unit of conductivity formerly called the >>> "mho".) >> >> <off-topic> >> Tunables support mixed-case units incorrectly as well, i.e. >> 1. 'g' / 'G' -> =A0'giga' >> 2. 'm' / 'M' -> =A0'mega' >> 3. 'k' / 'K' -> =A0'kilo' >> Something that Bruce brought up in another email thread with me. >> </off-topic> > > No. =A0'k' is the proper SI prefix for kilo. =A0And all the SI prefixes a= re > powers of ten only, but that's another can of worms. > > http://physics.nist.gov/cuu/Units/prefixes.html 1. 'g' doesn't map to anything. 2. 'm' is incorrect ('milli' vs 'mega'). 3. 'K' doesn't map to anything. That's what I meant. Thanks! -Garrett
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