diff options
Diffstat (limited to 'src/widgets/graphicsview/qsimplex_p.cpp')
-rw-r--r-- | src/widgets/graphicsview/qsimplex_p.cpp | 60 |
1 files changed, 13 insertions, 47 deletions
diff --git a/src/widgets/graphicsview/qsimplex_p.cpp b/src/widgets/graphicsview/qsimplex_p.cpp index e6ffa856f1..948437bf68 100644 --- a/src/widgets/graphicsview/qsimplex_p.cpp +++ b/src/widgets/graphicsview/qsimplex_p.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWidgets module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qsimplex_p.h" @@ -46,6 +10,8 @@ QT_BEGIN_NAMESPACE +using namespace Qt::StringLiterals; + /*! \internal \class QSimplex @@ -76,7 +42,7 @@ QT_BEGIN_NAMESPACE /*! \internal */ -QSimplex::QSimplex() : objective(0), rows(0), columns(0), firstArtificial(0), matrix(0) +QSimplex::QSimplex() : objective(nullptr), rows(0), columns(0), firstArtificial(0), matrix(nullptr) { } @@ -93,7 +59,7 @@ QSimplex::~QSimplex() */ void QSimplex::clearDataStructures() { - if (matrix == 0) + if (matrix == nullptr) return; // Matrix @@ -101,7 +67,7 @@ void QSimplex::clearDataStructures() columns = 0; firstArtificial = 0; free(matrix); - matrix = 0; + matrix = nullptr; // Constraints for (int i = 0; i < constraints.size(); ++i) { @@ -113,7 +79,7 @@ void QSimplex::clearDataStructures() // Other variables.clear(); - objective = 0; + objective = nullptr; } /*! @@ -164,7 +130,7 @@ bool QSimplex::setConstraints(const QList<QSimplexConstraint *> &newConstraints) for (auto it = v.cbegin(), end = v.cend(); it != end; ++it) variablesSet.insert(it.key()); } - variables = variablesSet.toList(); + variables = variablesSet.values(); // Set Variables reverse mapping // We also need to be able to find the index for a given variable, to do that @@ -195,7 +161,7 @@ bool QSimplex::setConstraints(const QList<QSimplexConstraint *> &newConstraints) QSimplexVariable *artificial; Q_ASSERT(constraints[i]->helper.first == 0); - Q_ASSERT(constraints[i]->artificial == 0); + Q_ASSERT(constraints[i]->artificial == nullptr); switch(constraints[i]->ratio) { case QSimplexConstraint::LessOrEqual: @@ -354,7 +320,7 @@ void QSimplex::dumpMatrix() { qDebug("---- Simplex Matrix ----\n"); - QString str(QLatin1String(" ")); + QString str(" "_L1); for (int j = 0; j < columns; ++j) str += QString::fromLatin1(" <%1 >").arg(j, 2); qDebug("%s", qPrintable(str)); @@ -551,7 +517,7 @@ qreal QSimplex::solver(SolverFactor factor) // Return the value calculated by the simplex plus the value of the // fixed variables. - return (factor * valueAt(0, columns - 1)) + resultOffset; + return (qToUnderlying(factor) * valueAt(0, columns - 1)) + resultOffset; } /*! @@ -614,7 +580,7 @@ bool QSimplex::simplifyConstraints(QList<QSimplexConstraint *> *constraints) QList<QSimplexConstraint *>::iterator iter = constraints->begin(); while (iter != constraints->end()) { QSimplexConstraint *c = *iter; - if ((c->ratio == QSimplexConstraint::Equal) && (c->variables.count() == 1)) { + if ((c->ratio == QSimplexConstraint::Equal) && (c->variables.size() == 1)) { // Check whether this is a constraint of type Var == K // If so, save its value to "results". QSimplexVariable *variable = c->variables.constBegin().key(); |