intx 0.15.0

Added

• Add bit_width() helper. #356
• Add load() and store() helpers with std::span<uint8_t> parameters. #366
• Add support for 0X prefix to from_string(). #361
• Add constructor from builtin_uint128 to avoid truncation. #355
• Add constructor from std::span<uint64_t>. #362

Changed

• Git default branch changed to main.
• Optimize exp() by traversing exponent bits from the top. #357
• Change as_words() to return fixed-size std::span<uint64_t>. #364
• Add explicit implementations of assignment operators. #353
• Use std::span for division internals and helper procedures. #365

intx 0.14.0

Added

• Add ctz() (count trailing zeros). #350
• Add bit_test(). #351
• Add support for Conan package manager. #352

Fixed

• Fix udivrem dead branch causing static analysis failures. #349

intx 0.13.0

Added

• Add support for C++20 spaceship operator <=>. #328

Fixed

• Build fixes for newer compilers and C++23:
  • Assume word counts out of div normalization are not negative. #340
  • Add missing C header #include. #337
  • Don't specify deprecated float_denorm_style. #336
  • Drop constexpr tests for division. #335
  • Remove whitespace in literal operator declarations. #334
  • Remove redundant inline specifiers. #330

intx 0.12.1

Fixed

• Fix MSVC build in preprocessor conformance mode #327

intx 0.12.0

Added

• Consequent type aliases and literal suffixes: #317
  • uint128, 1_u128
  • uint192, 1_u192
  • uint256, 1_u256
  • uint320, 1_u320
  • uint384, 1_u384
  • uint448, 1_u448
  • uint512, 1_u512

Changed

• Restructure of the code by using friend operator and if constexpr. #318 #319 #320 #321 #322 #324

intx 0.11.0

Added

• Support constexpr context execution for all arithmetic including division. #305 #311 #314

Changed

• Literal operators changed to consteval. #298
• Some C++20 modernization. #297 #308

Fixed

• Fixes to division for constexpr context. #309 #310

intx 0.10.1

Fixed

• Fixed buggy __builtin_subcll in Xcode 14.3.1 on arm64. 294

intx 0.9.3

Fixed

• Fixed buggy __builtin_subcll in Xcode 14.3.1 on arm64. 294

intx 0.10.0

Changed

• C++20 is now required to use intx. #287 #290

intx 0.9.2

Changed

• Increase tolerance to some compiler warnings (e.g. unknown pragma, unknown attribute) in case intx.hpp is used without CMake assistance. #286