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Mateusz Pusz af928dd0c7 feat: conversion helpers from mp-units to std::chrono types added 
Resolves #316
2021-11-23 11:17:47 +01:00

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Release notes

  • 0.8.0 WIP

    • (!) refactor: common_quantity, common_quantity_for, common_quantity_point, common_quantity_kind, and common_quantity_point_kind removed
    • refactor: quantity op+() and op-() reimplemented in terms of reference rather then quantity types
    • feat: std::format support for compliant compilers added
    • feat: HEP system support added (thanks @RalphSteinhagen)
    • feat: conversion helpers from mp-units to std::chrono types added
    • (!) fix: add quantity_point::origin, like std::chrono::time_point::clock
    • fix: account for different dimensions in quantity_point_cast's constraint
    • build: Minimum Conan version changed to 1.40
    • build: fmt updated to 8.0.1
    • build: gsl-lite updated to 0.38.1
    • build: catch2 updated to 2.13.7
    • build: doxygen updated to 1.9.2
    • build: linear algebra switched to wg21-linear_algebra/0.7.2

  • 0.7.0 May 11, 2021

    • (!) refactor: ScalableNumber renamed to Representation
    • (!) refactor: output stream operators moved to the units/quantity_io.h header file
    • (!) refactor: Refactored the library file tree
    • (!) refactor: quantity::count() renamed to quantity::number()
    • (!) refactor: data system renamed to isq::iec80000 (quantity names renamed too)
    • (!) refactor: *deduced_unit renamed to *derived_unit
    • (!) refactor: got rid of a noble_derived_unit
    • refactor: quantity (kind) point updated to reflect latest changes to quantity
    • refactor: basic concepts, quantity and quantity_cast refactored
    • refactor: abs() definition refactored to be more explicit about the return type
    • feat: quantity (point) kind support added (thanks @johelegp)
    • feat: quantity references support added (thanks @johelegp)
    • feat: quantity aliases support addded
    • feat: interoperability with std::chrono::duration and other units libraries
    • feat: CTAD for dimensionless quantity added
    • feat: modulation_rate support added (thanks @go2sh)
    • feat: SI prefixes for isq::iec80000 support added (thanks @go2sh)
    • feat: a possibility to disable quantity UDLs support with UNITS_NO_LITERALS preprocessor define
    • feat: a support to define ISQ derived dimensions in terms of different number or order of components
    • perf: preconditions check do not influence the runtime performance of a Release build
    • perf: quantity_cast() generates less assembly instructions
    • perf: temporary string creation removed from quantity::op<<()
    • perf: value initialization for quantity value removed (left with a default initialization)
    • perf: limited the equivalent trait usage
    • perf: limited the C++ Standard Library headers usage
    • perf: rvalue references support added for constructors and getters
    • (!) fix: exp() has sense only for dimensionless quantities
    • (!) fix: dim_torque now properly divides by an angle (instead of multiply) + default unit name change
    • fix: quantity's operators fixed to behave like the underlying types do
    • fix: quantity_cast() fixed to work correctly with representation types not convertible from std::intmax_t
    • fix: ambiguous case for empty type list resolved
    • fix: downcasting facility for non-default-constructible types
    • fix: restore user-warnings within the library implementation
    • fix: the text symbol of foot_pound_force and foot_pound_force_per_second
    • fix: quantity modulo arithmetics fixed
    • (!) build: Conan testing version is now hosted on Artifactory
    • (!) build: Linear Algebra is now hosted on its Artifactory
    • (!) build: BUILD_DOCS CMake option renamed to UNITS_BUILD_DOCS
    • build: doxygen updated to 1.8.20
    • build: catch2 updated to 2.13.4
    • build: fmt updated to 7.1.3
    • build: ms-gsl replaced with gsl-lite/0.38.0
    • build: Conan generator switched to cmake_find_package_multi
    • build: Conan CMakeToolchain support added
    • build: CMake scripts cleanup
    • build: ccache support added
    • ci: CI switched from Travis CI to GitHub Actions

  • 0.6.0 September 13, 2020

    • feat: quantity_point support added (thanks @johelegp)
    • feat: Added angle as SI base dimension (thanks @kwikius)
    • feat: si::angular_velocity support added (thanks @mikeford3)
    • feat: FPS system added (thanks @mikeford3)
    • feat: Added support for mathematical function exp(quantity)
    • feat: Localization support for text output added (thanks @rbrugo)
    • feat: Added STL random number distribution wrappers (thanks @yasamoka)
    • (!) refactor: Refactored and cleaned up the library file tree
    • (!) refactor: q_* UDL renamed to _q_*
    • (!) refactor: UDLs with "per" in name renamed from *p* to *_per_*
    • (!) refactor: ratio changed to the NTTP kind
    • (!) refactor: exp and Exp renamed to exponent and Exponent
    • (!) refactor: Scalar concept renamed to ScalableNumber
    • (!) refactor: Dimensionless quantities redesigned to be of a quantity type
    • refactor: math.h function signatures refactored to use a Quantity concept (thanks @kwikius)
    • refactor: [[nodiscard]] added to many functions
    • fix: si::day unit symbol fixed to d (thanks @komputerwiz)
    • fix: si::mole unit symbol fixed to mol (thanks @mikeford3)
    • (!) build: gcc-9 is no longer supported (at least gcc-10 is required)
    • build: Visual Studio 16.7 support added
    • build: linear_algebra updated to 0.7.0/stable
    • build: fmt updated to 7.0.3
    • build: range-v3 updated to 0.11.0
    • build: catch2 updated to 2.13.0
    • build: doxygen updated to 1.8.18
    • build: ms-gsl 3.1.0 dependency added
    • build: Removed the dependency on a git submodule with common CMake scripts

  • 0.5.0 May 17, 2020

    • Major refactoring and rewrite of the library
    • Units are now independent from dimensions
    • Dimensions now depend on units (base or coherent units are provided in a class template)
    • Quantity gets a Dimension template parameter again (as unit does not provide information about its dimension anymore)
    • Spaceship operator support added
    • Added official CGS system support
    • Added official data information system support
    • Repository file tree cleanup
    • ratio refactored to contain Exp template parameter (thanks a lot @oschonrock!)
    • SI fundamental constants added
    • q_ prefix applied to all the UDLs (thanks @kwikius)
    • unknown_unit renamed to unknown_coherent_unit
    • Project documentation greatly extended and switched to Sphinx
    • A few more usage examples added
    • ASCII-only output support added (thanks @yasamoka)
    • Representation values formatting extended (thanks @rbrugo)
    • Output streams formatting support added
    • Linear algebra from std::experimental::math support added
    • Named SI units and their dimensions added (thanks @rbrugo
    • libfmt updated to 6.2.0
    • Added absolute functions and epsilon to math.h (thanks @mikeford3)
    • Added a lot of prefixes to named units and introduced alias_unit (thanks @yasamoka)
    • Linking with Conan targets only when they exists (#98)
    • All physical dimensions and units put into physical namespace
    • CMake improvements
    • Velocity renamed to speed

    Many thanks to GitHub users @oschonrock, @kwikius, and @i-ky for their support in drafting a new library design.

  • 0.4.0 Nov 17, 2019

    • Support for derived dimensions in exp added
    • Added pow() and sqrt() operations on quantities
    • units removed from a std::experimental namespace
    • Downcasting facility refactored so the user does not have to write the boilerplate code anymore
    • From now on base dimensions should inherit from base_dimension class template
    • Added unit symbols definitions to base_dimension and derived units
    • Added support for operator<< on quantity
    • fmt support added
    • Derived unit factory helpers refactored
    • Refactored the way prefixed units are defined

  • 0.3.1 Sep 18, 2019

    • cmcstl2 dependency changed to range-v3 0.9.1

  • 0.3.0 Sep 16, 2019 (CppCon 2019 design)

    • The design as described on CppCon 2019 talk (https://youtu.be/0YW6yxkdhlU)
    • Applied the feedback from the Cologne evening session
      • upcasting_traits renamed to downcasting_traits
      • Dimension template parameter removed from quantity
    • units moved to a std::experimental namespace
    • Leading underscore prefix removed from UDLs
    • Added a few more derived dimensions
    • meter renamed to metre
    • Missing operator* added
    • Predefined dimensions moved to a dedicated directory
    • dimension_ prefix removed from names of derived dimensions
    • cmcstl2 library updated to 2019.09.19
    • base_dimension is a value provided as const& to the exp type
    • integrated with Compiler Explorer
    • gsl-lite dependency removed
    • Fractional dimension exponents support added
    • QuantityOf concept introduced
    • quantity_cast<U, Rep>() support added

  • 0.2.0 July 18, 2019 (C++Now 2019 design)

    • The design as described on C++Now 2019 talk (https://youtu.be/wKchCktZPHU)
    • Added C++20 features supported by gcc-9.1 (std::remove_cvref_t, down with typename, std::type_identity)
    • Compile-time performance optimizations (type_list, common_ratio, ratio, conditional_t)

  • 0.1.0 May 18, 2019

    • Initial library release
    • Begin semantic versioning
    • The last version to work with gcc-8
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