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celeste/Utilities.h

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/* Import from Gabor API

Copyright (c) 2002-3 Adriaan Tijsseling


                             All Rights Reserved

    This program 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.

    This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/

/*
        Author:                 Adriaan Tijsseling (AGT)
        Copyright:              (c) Copyright 2002-3 Adriaan Tijsseling. All rights reserved.
        Description:    Probably useful...
*/

#ifndef __UTILITIES__
#define __UTILITIES__

#include <hugin_shared.h>
#include <fstream>
#include <iostream>
#include <stdio.h>
#ifdef _WINDOWS
#include "direct.h"
#endif

using namespace std; 

enum
{
        kLeft = 0,
        kRight
};

IMPEX void              Permute( int* array, size_t size );
IMPEX int                       cmp(const void *s1, const void *s2);    // for qsort() function

IMPEX float             Heavyside( float a );

IMPEX float             Sigmoid( float act );
IMPEX float             Sigmoid( float beta, float a_pot );
IMPEX float             Sigmoid( float beta, float a_pot, float thresh );

IMPEX int                       **CreateMatrix( int val, int row, int col );
IMPEX void              ResetMatrix( int ** matrix, int val, int row, int col );
IMPEX void              DisposeMatrix( int** matrix, int row );

IMPEX float             **CreateMatrix( float val, int row, int col );
IMPEX void              ResetMatrix( float ** matrix, float val, int row, int col );
IMPEX void              DisposeMatrix( float** matrix, int row );

IMPEX float             ReturnDistance( float *pat1, float *pat2, int size );

IMPEX void              GetStreamDefaults( void );
IMPEX void              AdjustStream( ostream &os, int precision, int width, int pos, bool trailers );
IMPEX void              SetStreamDefaults( ostream &os );

IMPEX void              SkipComments( ifstream* infile );
IMPEX void              FileCreateError( char* filename );
IMPEX void              FileOpenError( char* filename );

IMPEX double            SafeAbs( double val1, double val2 );
IMPEX float             SafeAbs( float val1, float val2 );
IMPEX int                       SafeAbs( int val1, int val2 );
IMPEX double            SafeAbs( double val );
IMPEX float             SafeAbs( float val );
IMPEX int                       SafeAbs( int val );

#endif

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