/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
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#include "foundation/Qt3DSFPU.h"
#include <fenv.h>

QT3DS_COMPILE_TIME_ASSERT(8 * sizeof(qt3ds::QT3DSU32) >= sizeof(fenv_t));

qt3ds::foundation::FPUGuard::FPUGuard()
{
#ifdef __CYGWIN__
#pragma message "FPUGuard::FPUGuard() is not implemented"
#else
    fegetenv(reinterpret_cast<fenv_t *>(mControlWords));
    fesetenv(FE_DFL_ENV);
#endif
}

qt3ds::foundation::FPUGuard::~FPUGuard()
{
#ifdef __CYGWIN__
#pragma message "FPUGuard::~FPUGuard() is not implemented"
#else
    fesetenv(reinterpret_cast<fenv_t *>(mControlWords));
#endif
}