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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 "SaturationMeasurer.h"
namespace Torch {
SaturationMeasurer::SaturationMeasurer(GradientMachine *machine_, DataSet *data_, FILE *file_) : Measurer(data_, file_)
{
machine = machine_;
measure = xalloc(sizeof(real)*4);
real *r_measure = (real *)measure;
sum_outputs = r_measure;
sum_derivees = r_measure+1;
sum_outputs_c = r_measure+2;
sum_derivees_c = r_measure+3;
reset();
}
SaturationMeasurer::SaturationMeasurer(GradientMachine *machine_, DataSet *data_, const char *filename) : Measurer(data_, filename)
{
machine = machine_;
measure = xalloc(sizeof(real)*4);
real *r_measure = (real *)measure;
sum_outputs = r_measure;
sum_derivees = r_measure+1;
sum_outputs_c = r_measure+2;
sum_derivees_c = r_measure+3;
reset();
}
void SaturationMeasurer::measureEx()
{
List *outputs_ = machine->outputs;
while(outputs_)
{
real *out = (real *)outputs_->ptr;
for(int i = 0; i < outputs_->n; i++)
{
*sum_outputs_c += fabs(*out++);
n_sum_out++;
}
outputs_ = outputs_->next;
}
List *der_params_ = machine->der_params;
while(der_params_)
{
real *der = (real *)der_params_->ptr;
for(int i = 0; i < der_params_->n; i++)
{
*sum_derivees_c += fabs(*der++);
n_sum_der++;
}
der_params_ = der_params_->next;
}
}
void SaturationMeasurer::measureIter()
{
if(n_sum_out != 0)
*sum_outputs = *sum_outputs_c / n_sum_out;
if(n_sum_der != 0)
*sum_derivees = *sum_derivees_c / n_sum_der;
fprintf(file, "%g %g\n", *sum_outputs, *sum_derivees);
fflush(file);
reset();
}
void SaturationMeasurer::init()
{
Measurer::init();
reset();
}
void SaturationMeasurer::reset()
{
*sum_outputs_c = 0;
*sum_derivees_c = 0;
n_sum_out = 0;
n_sum_der = 0;
}
SaturationMeasurer::~SaturationMeasurer()
{
free(measure);
}
}
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