| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| /* |
| * @file |
| * @short This file is included by qatomicmathematicians_p.h |
| * if you need some includes, put them in qabstractfloatmathematician_p.h, outside of the namespace. |
| */ |
| |
| template <const bool isDouble> |
| Item AbstractFloatMathematician<isDouble>::calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const |
| { |
| const Numeric *const num1 = o1.template as<Numeric>(); |
| const Numeric *const num2 = o2.template as<Numeric>(); |
| switch(op) |
| { |
| case Div: |
| return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() / num2->toDouble())); |
| case IDiv: |
| { |
| if(num1->isNaN() || num2->isNaN()) |
| { |
| context->error(QtXmlPatterns::tr("No operand in an integer division, %1, can be %2.") |
| .arg(formatKeyword("idiv")) |
| .arg(formatData("NaN")), |
| ReportContext::FOAR0002, this); |
| } |
| else if(num1->isInf()) |
| { |
| context->error(QtXmlPatterns::tr("The first operand in an integer division, %1, cannot be infinity (%2).") |
| .arg(formatKeyword("idiv")) |
| .arg(formatData("INF")), |
| ReportContext::FOAR0002, this); |
| } |
| else if(num2->toInteger() == 0) |
| context->error(QtXmlPatterns::tr("The second operand in a division, %1, cannot be zero (%2).") |
| .arg(formatKeyword("idiv")) |
| .arg(formatData("0")), |
| ReportContext::FOAR0001, this); |
| |
| return Integer::fromValue(static_cast<xsInteger>(num1->toDouble() / num2->toDouble())); |
| } |
| case Substract: |
| return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() - num2->toDouble())); |
| case Mod: |
| return toItem(AbstractFloat<isDouble>::fromValue(::fmod(num1->toDouble(), num2->toDouble()))); |
| case Multiply: |
| return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() * num2->toDouble())); |
| case Add: |
| return toItem(AbstractFloat<isDouble>::fromValue(num1->toDouble() + num2->toDouble())); |
| } |
| |
| Q_ASSERT(false); |
| return Item(); /* GCC unbarfer. */ |
| } |
| |