forked from mpusz/mp-units
Mateusz Pusz
9527b39005
We had some fun exploring the STD UDLs for potential collisions, we have learnt our lesson and know how to proceed. Now is high time to start behaving and obeying C++ rules.
101 lines
5.0 KiB
Markdown
101 lines
5.0 KiB
Markdown
# Release notes
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- **0.6.0 WIP**
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- gcc-9 is no longer supported (at least gcc-10 is required)
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- Visual Studio 16.7 support added
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- linear_algebra updated to 0.7.0/stable
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- fmt updated to 7.0.3
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- range-v3 updated to 0.11.0
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- catch2 updated to 2.13.0
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- doxygen updated to 1.8.18
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- ms-gsl 3.1.0 dependency added
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- Added angle as SI base dimension (thanks [@kwikius](https://github.com/kwikius))
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- Added STL random number distribution wrappers (thanks [@yasamoka](https://github.com/yasamoka))
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- `math.h` function signatures refactored to use a `Quantity` concept (thanks [@kwikius](https://github.com/kwikius))
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- FPS system added (thanks [@mikeford3](https://github.com/mikeford3))
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- `quantity_point` support added (thanks [@johelegp](https://github.com/johelegp))
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- `ratio` changed to the NTTP kind
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- `exp` and `Exp` renamed to `exponent` and `Exponent`
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- Added support for `exp()` mathematical support
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- Dimensionless quantities redesigned to be of `quantity` type
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- `Scalar` concept renamed to `ScalableNumber`
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- `q_*` UDL renamed to `_q_*`
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- **0.5.0 May 17, 2020**
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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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- Spaceship operator support added
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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](https://github.com/oschonrock)!)
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- SI fundamental constants added
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- `q_` prefix applied to all the UDLs (thanks [@kwikius](https://github.com/kwikius))
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- `unknown_unit` renamed to `unknown_coherent_unit`
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- Project documentation greatly extended and switched to Sphinx
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- A few more usage examples added
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- ASCII-only output support added (thanks [@yasamoka](https://github.com/yasamoka))
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- Representation values formatting extended (thanks [@rbrugo](https://github.com/rbrugo))
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- Output streams formatting support added
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- Linear algebra from `std::experimental::math` support added
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- Named SI units and their dimensions added (thanks [@rbrugo](https://github.com/rbrugo)
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- libfmt updated to 6.2.0
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- Added absolute functions and epsilon to math.h (thanks [@mikeford3](https://github.com/mikeford3))
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- Added a lot of prefixes to named units and introduced `alias_unit` (thanks [@yasamoka](https://github.com/yasamoka))
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- Linking with Conan targets only when they exists ([#98](https://github.com/mpusz/units/issues/98))
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- All physical dimensions and units put into `physical` namespace
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- CMake improvements
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- Velocity renamed to speed
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Many thanks to GitHub users [@oschonrock](https://github.com/oschonrock),
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[@kwikius](https://github.com/kwikius), and [@i-ky](https://github.com/i-ky) for their support
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in drafting 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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