v2.3.4

What's Changed

• Updated CMake policy version to resolve deprecation warning. by @joe-barnier in #337
• Added namePlural to UNIT_ADD_NAME by @raulcalvo in #338
• Some numeric_limits and numeric helper functions were missing by @siposcsaba89 in #331
• Add #undef PI by @codereptile in #336
• Avoid pascal macro conflict when working on mingw by @raghunandannm in #325
• Using intmax_t instead of size_t fixes narrowing conversion on 32bit by @pmaciol in #322
• Add jerk and RPS units by @AhmedAredah in #327
• Add inch_of_mercury by @adamdoda in #326

New Contributors

• @joe-barnier made their first contribution in #337
• @raulcalvo made their first contribution in #338
• @siposcsaba89 made their first contribution in #331
• @codereptile made their first contribution in #336
• @raghunandannm made their first contribution in #325
• @pmaciol made their first contribution in #322
• @AhmedAredah made their first contribution in #327
• @adamdoda made their first contribution in #326

Full Changelog: v2.3.3...v2.3.4

v3.0.0 Beta 2

What's Changed

• Fix incorrect math function output for scaled dimensionless types, v3.x edition by @ts826848 in #295
• fix locale unit test
• update gtest cmake
• add vs2019 to appveyor
• make .value() and .to<>() behave the same for scaled dimensionless units
• ensure consistency and testing of scaled dimensionless unit math functions

Full Changelog: v3.0.0.beta...v3.0.0.beta.2

v2.3.3

Fixes mil definition

v3.0.0 Beta

• added support for nlohmann json
• NaN support
• add Gal unit of acceleration
• improved stream operators

v2.3.2

Various fixes and improvements

v3.0.0 Alpha 3

Post name refactor

v3.0.0 Alpha 2

Many new features of v3.x implemeneted, including first-class support for integer units

v3.0.0.alpha

Preview of version 3.0.0 featuring user-defined variadic dimensions.

No documentation updates yet.

v2.3.1

New in v2.3.1

This version removes support for the Visual Studio 2013 compiler.

Features:

• units now include constexpr name() and abbreviation() member functions, which do not really on string/iostream.
• Builds with VS2017 Ninja generator out of the box
• string conversions are now locale aware
• added unary incremement and decremement operators (++,--), as well as unary + operator.

Bug fixs:

• fixed compilation error when iostream was disabled

v2.3.0

features:

• 5x compile time improvement on MSVC.
• 1.5x compile time improvement on GCC.
• Even more dramatic reductions in compile time can be acheived if you opt-in to specific unit definitions instead of using all the library-defined types (which is the default value). Check out Enabling a subset of units to improve compilation time for instructions.
• Adds std::cout support for units with no defined abbreviation (they show up as a combination of SI base units)
• Support for std::numeric_limits of unit types.
• Assignment operators for unit types: -=, +=, /=, *=.
• Added min and max overloads for units types in units::math.
• Added to_string function and abbreviation functions:

  auto len = 3.5_m;
  auto str = units::length::to_string(len);
  auto abv = units::length::abbreviation(len);
  
  std::cout << str;  // prints "3.5 m"
  std::cout << abv;  // prints "m"

• Added units of data and data transfer: bits, bytes, bits_per_second, and bytes_per_second.
• Adds value() member for accessing underlying type.
• Adds value_type trait, as a synonym for underlying_type.
• Adds definitions for Julian and Gregorian years.
• Thanks to @dinocore1, units now supports cmake install and find_packages. From the pull request:

  # To have cmake install units library to a local 'install' directory:
  mkdir build
  cd build
  cmake -DCMAKE_INSTALL_PREFIX="install" ..
  cmake --build . --target install
  # The units library can then be used in some other cmake project using 
  # the standard 'find_package' command. Like so:
  find_package(units)

Bug fixes:

• Fixed singualr name of siemen to be siemens (Thanks @Oxyd)
• Fixed bug with cubrt operation (Thanks @PearCoding)
• fixed constexpr relational operators bug
• fixed exponential temperature conversions (Thanks @guarndt)