diff options
Diffstat (limited to 'src/corelib/global/qfloat16.cpp')
| -rw-r--r-- | src/corelib/global/qfloat16.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/corelib/global/qfloat16.cpp b/src/corelib/global/qfloat16.cpp index 5264b56104..1de1ae65fb 100644 --- a/src/corelib/global/qfloat16.cpp +++ b/src/corelib/global/qfloat16.cpp @@ -61,8 +61,21 @@ QT_BEGIN_NAMESPACE Q_STATIC_ASSERT_X(sizeof(float) == sizeof(quint32), "qfloat16 assumes that floats are 32 bits wide"); + +// There are a few corner cases regarding denormals where GHS compiler is relying +// hardware behavior that is not IEC 559 compliant. Therefore the compiler +// reports std::numeric_limits<float>::is_iec559 as false. This is all right +// according to our needs. + +#if !defined(Q_CC_GHS) Q_STATIC_ASSERT_X(std::numeric_limits<float>::is_iec559, "Only works with IEEE 754 floating point"); +#endif + +Q_STATIC_ASSERT_X(std::numeric_limits<float>::has_infinity && + std::numeric_limits<float>::has_quiet_NaN && + std::numeric_limits<float>::has_signaling_NaN, + "Only works with IEEE 754 floating point"); /*! Returns true if the \c qfloat16 \a {f} is equivalent to infinity. |