uom-se
Unitful.jl
| uom-se | Unitful.jl | |
|---|---|---|
| 1 | 9 | |
| 33 | 575 | |
| - | 0.5% | |
| 4.5 | 7.0 | |
| about 3 years ago | 11 days ago | |
| Java | Julia | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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uom-se
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GNU Units
Looks like it is comparable to javax.measure (https://jcp.org/en/jsr/detail?id=363). I used an implementation of that a few years ago: https://github.com/unitsofmeasurement/uom-se
It's a complex domain, especially if you get down to having more complex units composed of other units and want to do conversions between metric and imperial. In our case we were dealing with material properties (chemical, physical, magnetic, etc.) and different countries and companies using different ways to record characteristics for materials.
Unitful.jl
- What Is Dimensional Analysis?
- All I can say is that I relate, very much
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Are there any languages that allow units?
Julia's Unitful package is one of my favorites. https://github.com/PainterQubits/Unitful.jl
Tangentially related, LaTeX's siunitx package makes typesetting units a joy. https://ctan.org/pkg/siunitx
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Question solved unsuccessfully
Laughs in https://github.com/PainterQubits/Unitful.jl
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Similitude.jl is new more powerful Quantity than Unitful.jl
Not sure why you think more units is more powerful. Defining specific units is seldom the difficult part of dealing with units in code. I'd say that just looking at the tests for Unitful (excluding the separate tests for dates) to the tests of Similitude that there seems to be a lot more functionality in Unitful. What are the advantages of these alternate packages? And I do not think focusing on "more powerful" is too useful unless qualified appropriately.
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ModelingToolkit, Modelica, and Modia: The Composable Modeling Future in Julia
It's really two separate problems but they kinda interact.
Unitful quantities with heterogeneous units don't have a `zero` function that works correctly, which gets in the way inside numerical routines. [0] There are other places where 0 or 1 is added, which is an error for quantities but not for plain real numbers. [1]
Zygote doesn't handle mutating arrays. [2]
[0]: https://github.com/PainterQubits/Unitful.jl/pull/472
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Atlas, a (hopefully) better engineering IDE
Julia has the Unitful package [1], which does a decent job. It's quite ergonomic, and Julia's design helps with making existing code/libraries play nicely with Unitful-encoded units/values.
[1] https://github.com/PainterQubits/Unitful.jl
- Lotus 1-2-3 arbitrary resolution
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GNU Units
I've seen a few before, and a quick search yielded a bunch for me, right off the bat. By no means exhaustive:
Julia: https://github.com/PainterQubits/Unitful.jl
Python: https://pint.readthedocs.io/en/0.6/
C++: https://github.com/nholthaus/units
etc.
And yes, it has always struck me as strange that date/time/calendar libraries are standard as canonical libraries shipped with language distributions, but units are not.
What are some alternatives?
UnitsNet - Makes life working with units of measurement just a little bit better.
gnu-units - GNU Units (mirror)
jamaica-core - Java functions to simplify the object-oriented API.
Zygote-Mutating-Arrays-WorkAround.jl - A tutorial on how to work around ‘Mutating arrays is not supported’ error while performing automatic differentiation (AD) using the Julia package Zygote.
Ruby Units - A unit handling library for ruby
NonlinearSolve.jl - High-performance and differentiation-enabled nonlinear solvers (Newton methods), bracketed rootfinding (bisection, Falsi), with sparsity and Newton-Krylov support.
pqm - Physical Quantities and Measures (PQM) is a Node and browser package for dealing with numbers with units
UnitSystems.jl - Physical unit systems (Metric, English, Natural, etc...)
unix-v6 - UNIX 6th Edition Kernel Source Code