67 lines
2.9 KiB
Markdown
67 lines
2.9 KiB
Markdown
# Release notes
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- 0.5.0 WIP
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- Major refactoring and rewrite of the library
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- Units are now independent from dimensions
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- Dimensions now depend on units (base or coherent units are provided in a class template)
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- Quantity gets a Dimension template parameter again (as unit does not provide information about
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its dimension anymore)
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- Added official CGS system support
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- Added official data information system support
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- Repository file tree cleanup
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- `ratio` refactored to contain `Exp` template parameter (thanks a lot @oschonrock!)
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- SI fundamental constants added
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- `q_` prefix applied to all the UDLs (thanks @kwikius)
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- `unknown_unit` renamed to `unknown_coherent_unit`
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- Project documentation extended and switched to Sphinx
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- A few more usage examples added
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- ...
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Many thanks to GitHub users @oschonrock and @kwikius for their support in drafting
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a new library design.
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- 0.4.0 Nov 17, 2019
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- Support for derived dimensions in `exp` added
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- Added `pow()` and `sqrt()` operations on quantities
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- `units` removed from a `std::experimental` namespace
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- Downcasting facility refactored so the user does not have to write the boilerplate code anymore
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- From now on base dimensions should inherit from `base_dimension` class template
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- Added unit symbols definitions to `base_dimension` and derived units
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- Added support for `operator<<` on `quantity`
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- `fmt` support added
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- Derived unit factory helpers refactored
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- Refactored the way prefixed units are defined
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- 0.3.1 Sep 18, 2019
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- cmcstl2 dependency changed to range-v3 0.9.1
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- 0.3.0 Sep 16, 2019 (CppCon 2019 design)
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- The design as described on CppCon 2019 talk (<https://youtu.be/0YW6yxkdhlU>)
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- Applied the feedback from the Cologne evening session
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- `upcasting_traits` renamed to `downcasting_traits`
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- `Dimension` template parameter removed from quantity
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- `units` moved to a `std::experimental` namespace
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- Leading underscore prefix removed from UDLs
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- Added a few more derived dimensions
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- `meter` renamed to `metre`
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- Missing `operator*` added
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- Predefined dimensions moved to a dedicated directory
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- `dimension_` prefix removed from names of derived dimensions
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- cmcstl2 library updated to 2019.09.19
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- `base_dimension` is a value provided as `const&` to the `exp` type
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- integrated with Compiler Explorer
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- gsl-lite dependency removed
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- Fractional dimension exponents support added
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- `QuantityOf` concept introduced
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- `quantity_cast<U, Rep>()` support added
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- 0.2.0 July 18, 2019 (C++Now 2019 design)
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- The design as described on C++Now 2019 talk (<https://youtu.be/wKchCktZPHU>)
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- Added C++20 features supported by gcc-9.1 (`std::remove_cvref_t`, down with typename, `std::type_identity`)
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- Compile-time performance optimizations (`type_list`, `common_ratio`, `ratio`, `conditional_t`)
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- 0.1.0 May 18, 2019
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- Initial library release
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- Begin semantic versioning
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- The last version to work with gcc-8
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