diff options
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/global/qfloat16.cpp | 8 | ||||
| -rw-r--r-- | src/corelib/global/qfloat16.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/corelib/global/qfloat16.cpp b/src/corelib/global/qfloat16.cpp index 6c21b7de5a..97709d7685 100644 --- a/src/corelib/global/qfloat16.cpp +++ b/src/corelib/global/qfloat16.cpp @@ -146,6 +146,14 @@ QT_BEGIN_NAMESPACE */ /*! + \since 5.15 + \fn qfloat16::copySign(qfloat16 sign) const noexcept + + Returns a qfloat16 with the sign of \a sign but the rest of its value taken + from this qfloat16. Serves as qfloat16's equivalent of std::copysign(). +*/ + +/*! \internal \since 5.14 Implements qFpClassify() for qfloat16. diff --git a/src/corelib/global/qfloat16.h b/src/corelib/global/qfloat16.h index 9a4f1800a4..c50fa36402 100644 --- a/src/corelib/global/qfloat16.h +++ b/src/corelib/global/qfloat16.h @@ -84,6 +84,9 @@ public: bool isNaN() const noexcept { return ((b16 >> 8) & 0x7e) == 0x7e; } bool isFinite() const noexcept { return ((b16 >> 8) & 0x7c) != 0x7c; } Q_CORE_EXPORT int fpClassify() const noexcept; + // Can't specialize std::copysign() for qfloat16 + qfloat16 copySign(qfloat16 sign) const noexcept + { return qfloat16(Wrap((sign.b16 & 0x8000) | (b16 & 0x7fff))); } // Support for std::numeric_limits<qfloat16> static constexpr qfloat16 _limit_epsilon() noexcept { return qfloat16(Wrap(0x1400)); } static constexpr qfloat16 _limit_min() noexcept { return qfloat16(Wrap(0x400)); } |