Re: [Boost-users] [units] "Simple" conversion from Kelvin to Celsius

Subject: Re: [Boost-users] [units] "Simple" conversion from Kelvin to Celsius
From: Matthias Schabel (boost_at_[hidden])
Date: 2013-08-22 13:25:20

There are some subtleties for temperature conversions, depending on whether you want to convert relative temperatures (differences) or absolute temperatures. See here for example : 

http://www.boost.org/doc/libs/1_54_0/doc/html/boost_units/Examples.html#boost_units.Examples.AbsoluteRelativeTemperatureExample

Matthias

> Hello,
> 
> It's been a couple of years since I've done any work with Boost.Units,
> and I am finding that I want to make a dimensionally-safe conversion
> from Kelvin to Celsius.
> 
> I've got an I2C controller that reports in Kelvin, but I want to
> report it to the end-user in Celsius.
> 
> The examples I am finding seem to "almost" fit the bill, but I am
> having a difficult time extrapolating a sane conversion.
> 
> First, would help if I understood what the Boost.Units SI (my assumed
> base-system) base-temperature units were. I gather Fahrenheit? Or is
> it indeed Kelvin? I could be mistaken.
> 
> Thank you...
> 
> Regards,
> 
> Michael Powell
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