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// Copyright (C) 2002 Ronan Collobert (collober@iro.umontreal.ca)
//
//
// This file is part of Torch. Release II.
// [The Ultimate Machine Learning Library]
//
// Torch is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Torch 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 Torch; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "GradientMachine.h"
namespace Torch {
GradientMachine::GradientMachine()
{
is_free = false;
n_params = 0;
params = NULL;
der_params = NULL;
beta = NULL;
}
void GradientMachine::allocateMemory()
{
n_params = numberOfParams();
if(n_params > 0)
{
addToList(¶ms, n_params, (real *)xalloc(sizeof(real)*n_params));
addToList(&der_params, n_params, (real *)xalloc(sizeof(real)*n_params));
}
beta = (real *)xalloc(sizeof(real)*n_inputs);
addToList(&outputs, n_outputs, (real *)xalloc(sizeof(real)*n_outputs));
}
void GradientMachine::freeMemory()
{
if(is_free)
return;
if(n_params > 0)
{
freeList(¶ms, true);
freeList(&der_params, true);
}
free(beta);
freeList(&outputs, true);
is_free = true;
}
void GradientMachine::init()
{
Machine::init();
allocateMemory();
}
void GradientMachine::iterInitialize()
{
}
void GradientMachine::reset()
{
}
void GradientMachine::loadFILE(FILE *file)
{
List *liste = params;
while(liste)
{
xfread(liste->ptr, sizeof(real), liste->n, file);
liste = liste->next;
}
}
void GradientMachine::saveFILE(FILE *file)
{
List *liste = params;
while(liste)
{
xfwrite(liste->ptr, sizeof(real), liste->n, file);
liste = liste->next;
}
}
GradientMachine::~GradientMachine()
{
freeMemory();
}
}
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