Roland Conybeare
60f796b770
subrepo: subdir: "xo-unit" merged: "f1e698bf" upstream: origin: "git@github.com:Rconybea/xo-unit.git" branch: "main" commit: "f1e698bf" git-subrepo: version: "0.4.9" origin: "???" commit: "???"
98 lines
2.9 KiB
ReStructuredText
98 lines
2.9 KiB
ReStructuredText
.. _quantity-unitvars:
|
|
|
|
Quantity Unit Variables
|
|
=======================
|
|
|
|
Built-in unit quantities
|
|
|
|
Context
|
|
-------
|
|
|
|
.. ditaa::
|
|
:--scale: 0.85
|
|
|
|
+----------------+---------------+
|
|
|cBLU quantity | xquantity |
|
|
+----------------+---------------+
|
|
| scaled_unit |
|
|
+--------------------------------+
|
|
| natural_unit |
|
|
+--------------------------------+
|
|
| bpu |
|
|
+----------------+ |
|
|
| bu_store | |
|
|
+----------------+---------------+
|
|
| basis_unit |
|
|
+--------------------------------+
|
|
| dimension |
|
|
+--------------------------------+
|
|
|
|
Introduction
|
|
------------
|
|
|
|
.. code-block:: cpp
|
|
|
|
#include <xo/unit/quantity.hpp>
|
|
|
|
The ``xo::qty::qty`` namespace contains unit quantities in each dimension.
|
|
Can use these to assemble unit quantities with compound dimensions
|
|
|
|
.. code-block:: cpp
|
|
:linenos:
|
|
:emphasize-lines: 6
|
|
|
|
#include "xo/unit/quantity.hpp"
|
|
|
|
namespace q = xo::qty::qty;
|
|
|
|
auto q1 = (q::kilometers(150.0) / q::hours(0.5));
|
|
constexpr auto u_mps = q:meter / q:second;
|
|
auto q2 = with_units_from(q1, u_mps);
|
|
|
|
|
|
Mass
|
|
----
|
|
.. doxygenvariable:: xo::qty::qty::picogram
|
|
.. doxygenvariable:: xo::qty::qty::nanogram
|
|
.. doxygenvariable:: xo::qty::qty::microgram
|
|
.. doxygenvariable:: xo::qty::qty::milligram
|
|
.. doxygenvariable:: xo::qty::qty::gram
|
|
.. doxygenvariable:: xo::qty::qty::kilogram
|
|
.. doxygenvariable:: xo::qty::qty::tonne
|
|
.. doxygenvariable:: xo::qty::qty::kilotonne
|
|
.. doxygenvariable:: xo::qty::qty::megatonne
|
|
.. doxygenvariable:: xo::qty::qty::gigatonne
|
|
|
|
Distance
|
|
--------
|
|
.. doxygenvariable:: xo::qty::qty::picometer
|
|
.. doxygenvariable:: xo::qty::qty::nanometer
|
|
.. doxygenvariable:: xo::qty::qty::micrometer
|
|
.. doxygenvariable:: xo::qty::qty::millimeter
|
|
.. doxygenvariable:: xo::qty::qty::meter
|
|
.. doxygenvariable:: xo::qty::qty::kilometer
|
|
.. doxygenvariable:: xo::qty::qty::megameter
|
|
.. doxygenvariable:: xo::qty::qty::gigameter
|
|
.. doxygenvariable:: xo::qty::qty::lightsecond
|
|
.. doxygenvariable:: xo::qty::qty::astronomicalunit
|
|
.. doxygenvariable:: xo::qty::qty::inch
|
|
.. doxygenvariable:: xo::qty::qty::foot
|
|
.. doxygenvariable:: xo::qty::qty::yard
|
|
.. doxygenvariable:: xo::qty::qty::mile
|
|
|
|
Time
|
|
----
|
|
.. doxygenvariable:: xo::qty::qty::picosecond
|
|
.. doxygenvariable:: xo::qty::qty::nanosecond
|
|
.. doxygenvariable:: xo::qty::qty::microsecond
|
|
.. doxygenvariable:: xo::qty::qty::millisecond
|
|
.. doxygenvariable:: xo::qty::qty::second
|
|
.. doxygenvariable:: xo::qty::qty::minute
|
|
.. doxygenvariable:: xo::qty::qty::hour
|
|
.. doxygenvariable:: xo::qty::qty::day
|
|
.. doxygenvariable:: xo::qty::qty::week
|
|
.. doxygenvariable:: xo::qty::qty::month
|
|
.. doxygenvariable:: xo::qty::qty::year
|
|
.. doxygenvariable:: xo::qty::qty::year250
|
|
.. doxygenvariable:: xo::qty::qty::year360
|
|
.. doxygenvariable:: xo::qty::qty::year365
|