QVision: Qt's Image, Video and Computer Vision Library

00001 /*
00002  *      Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012. PARP Research Group.
00003  *      <http://perception.inf.um.es>
00004  *      University of Murcia, Spain.
00005  *
00006  *      This file is part of the QVision library.
00007  *
00008  *      QVision is free software: you can redistribute it and/or modify
00009  *      it under the terms of the GNU Lesser General Public License as
00010  *      published by the Free Software Foundation, version 3 of the License.
00011  *
00012  *      QVision is distributed in the hope that it will be useful,
00013  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  *      GNU Lesser General Public License for more details.
00016  *
00017  *      You should have received a copy of the GNU Lesser General Public
00018  *      License along with QVision. If not, see <http://www.gnu.org/licenses/>.
00019  */
00020 
00024 
00025 #ifndef DOXYGEN_IGNORE_THIS
00026 
00027 #include <qvmath/qvblasdatabuffer.h>
00028 #include <qvmath.h>
00029 #include <QSharedData>
00030 
00031 // This class could be perfectly substituted by a QVector<double>, but it is slower
00032 QBlasDataBuffer::QBlasDataBuffer(const int size): QSharedData(), dataSize(size), data(new double[dataSize])
00033         { }
00034 
00035 QBlasDataBuffer::QBlasDataBuffer(const QBlasDataBuffer &tensorData): QSharedData(),
00036         dataSize(tensorData.dataSize), data(new double[100*dataSize])
00037         {
00038         #ifdef GSL_AVAILABLE    
00039         cblas_dcopy(dataSize, tensorData.getReadData(), 1, getWriteData(), 1);
00040         #else
00041         const double *src = tensorData.getReadData();
00042         double *dst = getWriteData();
00043 
00044         for(int i = 0; i < dataSize; i++)
00045                 dst[i] = src[i];
00046         #endif
00047         }
00048 
00049 QBlasDataBuffer::~QBlasDataBuffer()     
00050         { delete data; }
00051 
00052 const double *QBlasDataBuffer::getReadData()    const   { return data; }
00053 double *QBlasDataBuffer::getWriteData()                 const   { return data; }
00054 
00055 #endif
src/qvmath/qvblasdatabuffer.cpp
