174 lines
5.2 KiB
Plaintext
174 lines
5.2 KiB
Plaintext
Release Notes
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=============
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1.11.0 release (2013-11-16):
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----------------------------
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- Made tie-breaking behaviour in round to nearest configurable by
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`HALF_ROUND_TIES_TO_EVEN` macro.
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- Completed support for all C++11 mathematical functions even if single-
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precision versions from `<cmath>` are unsupported.
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- Fixed inability to disable support for C++11 mathematical functions on
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*VC++ 2013*.
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1.10.0 release (2013-11-09):
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----------------------------
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- Made default rounding mode configurable by `HALF_ROUND_STYLE` macro.
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- Added support for non-IEEE single-precision implementations.
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- Added `HALF_ENABLE_CPP11_TYPE_TRAITS` preprocessor flag for checking
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support for C++11 type traits and TMP features.
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- Restricted `half_cast` to support built-in arithmetic types only.
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- Changed behaviour of `half_cast` to respect rounding mode when casting
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to/from integer types.
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1.9.2 release (2013-11-01):
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---------------------------
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- Tested for *gcc 4.8*.
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- Tested and fixed for *VC++ 2013*.
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- Removed unnecessary warnings in *MSVC*.
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1.9.1 release (2013-08-08):
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---------------------------
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- Fixed problems with older gcc and MSVC versions.
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- Small fix to non-C++11 implementations of `remainder` and `remquo`.
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1.9.0 release (2013-08-07):
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---------------------------
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- Changed behaviour of `nearbyint`, `rint`, `lrint` and `llrint` to use
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rounding mode of half-precision implementation (which is
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truncating/indeterminate) instead of single-precision rounding mode.
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- Added support for more C++11 mathematical functions even if single-
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precision versions from `<cmath>` are unsupported, in particular
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`remainder`, `remquo` and `cbrt`.
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- Minor implementation changes.
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1.8.1 release (2013-01-22):
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---------------------------
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- Fixed bug resulting in multiple definitions of the `nanh` function due to
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a missing `inline` specification.
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1.8.0 release (2013-01-19):
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---------------------------
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- Added support for more C++11 mathematical functions even if single-
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precision versions from `<cmath>` are unsupported, in particular
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exponential and logarithm functions, hyperbolic area functions and the
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hypotenuse function.
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- Made `fma` function use default implementation if single-precision version
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from `<cmath>` is not faster and thus `FP_FAST_FMAH` to be defined always.
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- Fixed overload resolution issues when invoking certain mathematical
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functions by unqualified calls.
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1.7.0 release (2012-10-26):
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---------------------------
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- Added support for C++11 `noexcept` specifiers.
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- Changed C++11 `long long` to be supported on *VC++ 2003* and up.
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1.6.1 release (2012-09-13):
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---------------------------
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- Made `fma` and `fdim` functions available even if corresponding
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single-precision functions are not.
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1.6.0 release (2012-09-12):
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---------------------------
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- Added `HALF_ENABLE_CPP11_LONG_LONG` to control support for `long long`
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integers and corresponding mathematical functions.
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- Fixed C++98 compatibility on non-VC compilers.
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1.5.1 release (2012-08-17):
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---------------------------
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- Recorrected `std::numeric_limits::round_style` to always return
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`std::round_indeterminate`, due to overflow-handling deviating from
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correct round-toward-zero behaviour.
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1.5.0 release (2012-08-16):
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---------------------------
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- Added `half_cast` for explicitly casting between half and any type
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convertible to/from `float` and allowing the explicit specification of
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the rounding mode to use.
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1.4.0 release (2012-08-12):
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---------------------------
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- Added support for C++11 generalized constant expressions (`constexpr`).
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1.3.1 release (2012-08-11):
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---------------------------
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- Fixed requirement for `std::signbit` and `std::isnan` (even if C++11
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`<cmath>` functions disabled) on non-VC compilers.
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1.3.0 release (2012-08-10):
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---------------------------
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- Made requirement for `<cstdint>` and `static_assert` optional and thus
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made the library C++98-compatible.
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- Made support for C++11 features user-overridable through explicit
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definition of corresponding preprocessor symbols to either 0 or 1.
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- Renamed `HALF_ENABLE_HASH` to `HALF_ENABLE_CPP11_HASH` in correspondence
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with other C++11 preprocessor symbols.
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1.2.0 release (2012-08-07):
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---------------------------
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- Added proper preprocessor definitions for `HUGE_VALH` and `FP_FAST_FMAH`
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in correspondence with their single-precision counterparts from `<cmath>`.
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- Fixed internal preprocessor macros to be properly undefined after use.
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1.1.2 release (2012-08-07):
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---------------------------
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- Revised `std::numeric_limits::round_style` to return
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`std::round_toward_zero` if the `float` version also does and
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`std::round_indeterminate` otherwise.
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- Fixed `std::numeric_limits::round_error` to reflect worst-case round
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toward zero behaviour.
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1.1.1 release (2012-08-06):
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---------------------------
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- Fixed `std::numeric_limits::min` to return smallest positive normal
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number, instead of subnormal number.
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- Fixed `std::numeric_limits::round_style` to return
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`std::round_indeterminate` due to mixture of separately rounded
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single-precision arithmetics with truncating single-to-half conversions.
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1.1.0 release (2012-08-06):
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---------------------------
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- Added half-precision literals.
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1.0.0 release (2012-08-05):
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---------------------------
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- First release.
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