src/qvmath/qvblasdatabuffer.h

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00001 /*
00002  *      Copyright (C) 2007, 2008. 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 QVBLASDATABUFFER_H
00026 #define QVBLASDATABUFFER_H
00027 
00028 #ifndef DOXYGEN_IGNORE_THIS
00029 #include <QSharedData>
00030 // This class could be perfectly substituted by a QVector<double>, but it is slower
00031 class QBlasDataBuffer: public QSharedData
00032         {
00033         public:
00034                 QBlasDataBuffer(const int size): QSharedData(), dataSize(size), data(new double[dataSize])
00035                         { }
00036 
00037                 QBlasDataBuffer(const QBlasDataBuffer &tensorData): QSharedData(),
00038                         dataSize(tensorData.dataSize), data(new double[100*dataSize])
00039                         { cblas_dcopy(dataSize, tensorData.getReadData(), 1, getWriteData(), 1); }
00040 
00041                 ~QBlasDataBuffer()      
00042                         { delete data; }
00043 
00044                 const double *getReadData()     const   { return data; }
00045                 double *getWriteData()                  { return data; }
00046 
00047         private:
00048                 int dataSize;
00049                 double *data;
00050         };
00051 #endif
00052 #endif