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<h1 class="title">fftreal_wrapper.cpp Example File</h1>
<span class="small-subtitle">demos/spectrum/3rdparty/fftreal/fftreal_wrapper.cpp</span>
<!-- $$$demos/spectrum/3rdparty/fftreal/fftreal_wrapper.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/***************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as
** published by the Free Software Foundation, either version 2.1. This
** program is distributed in the hope that it will be useful, but WITHOUT
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details. You should have received a copy of the GNU General
** Public License along with this program. If not, see
** <http://www.gnu.org/licenses/>.
**
***************************************************************************/</span>
<span class="preprocessor">#include "fftreal_wrapper.h"</span>
<span class="comment">// FFTReal code generates quite a lot of 'unused parameter' compiler warnings,</span>
<span class="comment">// which we suppress here in order to get a clean build output.</span>
<span class="preprocessor">#if defined Q_CC_MSVC</span>
<span class="preprocessor"># pragma warning(disable:4100)</span>
<span class="preprocessor">#elif defined Q_CC_GNU</span>
<span class="preprocessor"># pragma GCC diagnostic ignored "-Wunused-parameter"</span>
<span class="preprocessor">#elif defined Q_CC_MWERKS</span>
<span class="preprocessor"># pragma warning off (10182)</span>
<span class="preprocessor">#endif</span>
<span class="preprocessor">#include "FFTRealFixLen.h"</span>
<span class="keyword">class</span> FFTRealWrapperPrivate {
<span class="keyword">public</span>:
FFTRealFixLen<span class="operator"><</span>FFTLengthPowerOfTwo<span class="operator">></span> m_fft;
};
FFTRealWrapper<span class="operator">::</span>FFTRealWrapper()
: m_private(<span class="keyword">new</span> FFTRealWrapperPrivate)
{
}
FFTRealWrapper<span class="operator">::</span><span class="operator">~</span>FFTRealWrapper()
{
<span class="keyword">delete</span> m_private;
}
<span class="type">void</span> FFTRealWrapper<span class="operator">::</span>calculateFFT(DataType in<span class="operator">[</span><span class="operator">]</span><span class="operator">,</span> <span class="keyword">const</span> DataType out<span class="operator">[</span><span class="operator">]</span>)
{
m_private<span class="operator">-</span><span class="operator">></span>m_fft<span class="operator">.</span>do_fft(in<span class="operator">,</span> out);
}</pre>
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