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Description of dimension extended

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Mateusz Pusz
2019-11-02 13:55:23 +01:00
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doc/DESIGN.md
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@ -132,6 +132,13 @@ struct base_dim_substance : base_dimension<"substance", "mol"> {};
struct base_dim_luminous_intensity : base_dimension<"luminous intensity", "cd"> {}; struct base_dim_luminous_intensity : base_dimension<"luminous intensity", "cd"> {};
``` ```
In order to be able to perform computations on arbitrary sets of base dimensions, an important
property of `units::dimension` is that its base dimensions:
- are not repeated in a list (each base dimension is provided at most once),
- are consistently ordered,
- having zero exponent are elided.
#### `derived_dimension` #### `derived_dimension`
Above design of dimensions is created with the ease of use for end users in mind. Compile-time Above design of dimensions is created with the ease of use for end users in mind. Compile-time