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Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.
Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
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After QPoint(F), it's now the time of QSize(F) and QVectorND,
which can be unambiguously decomposed.
[ChangeLog][QtCore][QSize] QSize is now usable in a structured
binding declaration.
[ChangeLog][QtCore][QSizeF] QSizeF is now usable in a structured
binding declaration.
[ChangeLog][QtGui][QVector2D] QVector2D is now usable in a
structured binding declaration.
[ChangeLog][QtGui][QVector3D] QVector3D is now usable in a
structured binding declaration.
[ChangeLog][QtGui][QVector4D] QVector4D is now usable in a
structured binding declaration.
Change-Id: I67bb152f4210f2be27607179cd2ec522174cc483
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
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The various spatial-vector, line, point, region and margin types have
all long taken for granted that their co-ordinates are finite and, in
particular, not NaN. Make this expectation explicit in the
documentation. Added assertions where (chiefly) noexcept and (where
the assertion would be a simple qIsFinite() call) constexpr didn't
preclude doing so. Also assert against zero divisors that would lead
to non-finite results.
Make minor clean-ups to docs in the process. QMarginsF had several
methods whose declaration, definition and docs weren't consistent in
their parameter names.
Task-number: QTBUG-89010
Change-Id: I601a830959d13a73dcb17ce31a1202a1486c8f7f
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
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Use qHypot() instead of casting to and from double so much,
use qFuzzyCompare(_, 1.0f) rather than qFuzzyIsNull(_ - 1.0f).
Change-Id: I70f38fe2d9aefe1ceb15e1a370f181a7856911b7
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
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QVector2D has implicit conversions towards QVector3D/4D, and
QVector3D has an implicit conversion towards QVector4D. Although
in principle this is fine because it's not a data loss, it's still
sketchy; for instance, it allows mixed operations to compile:
vector2d + vector3d;
vector4d - vector3d;
vector3d * vector4d; // !
(Random observation: the conversion from QPoint(F) to QVectorND are
actually already marked as explicit.)
This is a leftover not done for Qt 6.0. I am not making these opt-out:
having an implicit conversion here is outright *dangerous*, and any usage
that fails to compile needs to be inspected to make sure it was the
intended behavior.
[ChangeLog][Potentially Source-Incompatible Changes] The
QVector2D/3D/4D converting constructors from another QVectorND
now explicit. This was done to prevent a category of bugs resulting
from operations accidentally mixing QVectorND objects.
Fixes: QTBUG-90327
Change-Id: Ifcd873f6a0d3fc10b9e68c935fe1f69f86a2340b
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Change-Id: Ic412d5cefcc1c41e90ee5cf98814469aec3a91f6
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
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In random order:
* Remove code marked for removal in Qt 6.
* Inline as much as possible. This should give us a massive
speed boost in some simple operations where the function call
overhead as much as the cost of body of the function itself
(lengthSquared, dotProduct, etc.).
* Plaster constexpr and noexcept, as much as possible; follow
Lakos' rule.
* Unexport the classes; selectively export only the symbols
still defined out of line.
* Add [[nodiscard]] to any non-trivial mathematical operation
(e.g. calculate the length).
* To avoid circular dependencies, centralize their implementation
in one file. Leave the existing headers for compatibility with
existing #include statements.
* Change all the signatures of the classes' members to take
QVectorND, QPointF, etc. objects by value, not by const ref.
Usage in other classes (e.g. QMatrix4x4) has not been adjusted.
Change-Id: Iaf5a4b5289fcdf704e77656793390b8e772e94a5
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
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