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QCborStreamReader: use std::bit_cast in _toFloatingPoint

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Change-Id: Ic5b53111dbdb9073bb45fffd7c1bcb0c80b5df62
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
This commit is contained in:
Thiago Macieira 2025-02-12 22:27:31 -08:00 committed by Marc Mutz
parent e62407b429
commit 8e1c333661
1 changed files with 7 additions and 0 deletions
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7
src/corelib/serialization/qcborstreamreader.h
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@ -11,6 +11,9 @@
#include <QtCore/qstring.h> #include <QtCore/qstring.h>
#include <QtCore/qstringview.h> #include <QtCore/qstringview.h>
#ifdef __cpp_lib_bit_cast
#include <bit>
#endif
#include <memory> #include <memory>
QT_REQUIRE_CONFIG(cborstreamreader); QT_REQUIRE_CONFIG(cborstreamreader);
@ -188,9 +191,13 @@ private:
{ {
using UIntFP = typename QIntegerForSizeof<FP>::Unsigned; using UIntFP = typename QIntegerForSizeof<FP>::Unsigned;
UIntFP u = UIntFP(value64); UIntFP u = UIntFP(value64);
#ifdef __cpp_lib_bit_cast
return std::bit_cast<FP>(u);
#else
FP f; FP f;
memcpy(static_cast<void *>(&f), &u, sizeof(f)); memcpy(static_cast<void *>(&f), &u, sizeof(f));
return f; return f;
#endif
} }
friend QCborStreamReaderPrivate; friend QCborStreamReaderPrivate;