1 /***************************************************************************

     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** Contact: Nokia Corporation (qt-info@nokia.com)

     5 **

     6 ** This file is part of the examples of the Qt Toolkit.

     7 **

     8 ** This program is free software: you can redistribute it and/or modify

     9 ** it under the terms of the GNU Lesser General Public License as

    10 ** published by the Free Software Foundation, either version 2.1. This

    11 ** program is distributed in the hope that it will be useful, but WITHOUT

    12 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License

    14 ** for more details. You should have received a copy of the GNU General

    15 ** Public License along with this program. If not, see

    16 ** <http://www.gnu.org/licenses/>.

    17 **

    18 ***************************************************************************/

    19 

    20 #include "fftreal_wrapper.h"

    21 

    22 // FFTReal code generates quite a lot of 'unused parameter' compiler warnings,

    23 // which we suppress here in order to get a clean build output.

    24 #if defined Q_CC_MSVC

    25 #    pragma warning(disable:4100)

    26 #elif defined Q_CC_GNU

    27 #    pragma GCC diagnostic ignored "-Wunused-parameter"

    28 #elif defined Q_CC_MWERKS

    29 #    pragma warning off (10182)

    30 #endif

    31 

    32 #include "FFTRealFixLen.h"

    33 

    34 class FFTRealWrapperPrivate {

    35 public:

    36     FFTRealFixLen<FFTLengthPowerOfTwo> m_fft;

    37 };

    38 

    39 

    40 FFTRealWrapper::FFTRealWrapper()

    41     :   m_private(new FFTRealWrapperPrivate)

    42 {

    43 

    44 }

    45 

    46 FFTRealWrapper::~FFTRealWrapper()

    47 {

    48     delete m_private;

    49 }

    50 

    51 void FFTRealWrapper::calculateFFT(DataType in[], const DataType out[])

    52 {

    53     m_private->m_fft.do_fft(in, out);

    54 }