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// Copyright (C) 2003--2004 Ronan Collobert (collober@idiap.ch)
//
// This file is part of Torch 3.1.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef MEMORY_DATA_SET_INC
#define MEMORY_DATA_SET_INC
#include "DataSet.h"
#include "IOSequence.h"
namespace Torch {
/** DataSet where data is fully loaded in memory.
Inputs and targets are put in two arrays: #inputs_array# and #targets_array#.
You can fill these fields by using the #init()# method (if you are using
IOSequence). But you could imagine a MemoryDataSet where you fill these fields
by hand (based on the #init()# method).
MatDataSet is a good example if you plan to do a new MemoryDataSet.
@see MatDataSet
@author Ronan Collobert (collober@idiap.ch)
*/
class MemoryDataSet : public DataSet
{
private:
virtual void allocData(IOSequence *io_torch, Sequence **sequences_array);
public:
/// Inputs array.
Sequence **inputs_array;
/// Targets array.
Sequence **targets_array;
///
MemoryDataSet();
/** May help you to initialize the DataSet if you're using IOSequence.
You should call this method in the constructor of your subsclasses.
Initialize #n_examples#, #n_real_examples#, #n_inputs# and #n_targets#.
#inputs_array# and #targets_array# filled with sequences given by the IOSequence classes.
*/
void init(IOSequence *io_inputs, IOSequence *io_outputs);
/// Override current inputs array.
void setInputs(Sequence **inputs_, int n_sequences_);
/// Override current targets array.
void setTargets(Sequence **targets_, int n_sequences_);
virtual void getNumberOfFrames(int t, int *n_input_frames_, int *n_target_frames_);
virtual void preProcess(PreProcessing *pre_processing);
virtual void setRealExample(int t, bool set_inputs=true, bool set_targets=true);
virtual void pushExample();
virtual void popExample();
//-----
virtual ~MemoryDataSet();
};
}
#endif
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