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/*
* bpro.h
*
* Include file for bpro.c.
*
*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
*
* This file part of: SExtractor
*
* Copyright: (C) 1993-2010 Emmanuel Bertin -- IAP/CNRS/UPMC
*
* License: GNU General Public License
*
* SExtractor 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 3 of the License, or
* (at your option) any later version.
* SExtractor 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 SExtractor. If not, see <http://www.gnu.org/licenses/>.
*
* Last modified: 11/10/2010
*
*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
/*------------------------------- definitions -------------------------------*/
#define SIGMOID(u) ((u)<15.0?((u)>-15.0?1/(1+expf(-(u))):0.0):1.0)
/* In-line activation function */
/*---------------------------------- types ----------------------------------*/
typedef float NFLOAT; /* Floating point units for neural data */
/*------------------------------- structures --------------------------------*/
typedef struct structbpann
{
int nlayers; /* Number of "active" layers */
int *nn; /* Nb of neurons per "active" layer */
/*------ The ANN itself */
NFLOAT **neuron; /* Neuron array (layer,pos in layer) */
NFLOAT **weight; /* Weight array (layer,pos in layer) */
int linearoutflag; /* Flag: 0 if outputs are non-linear */
} bpannstruct;
/*------------------------------ Prototypes ---------------------------------*/
bpannstruct *loadtab_bpann(tabstruct *tab, char *filename);
void free_bpann(bpannstruct *bpann),
play_bpann(bpannstruct *bpann, NFLOAT *invec, NFLOAT *outvec);
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