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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008-2008 - INRIA - Allan SIMON
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
#include "diag.h"
void u8diagexa(uint8 *in, int _row,int _column,int extract_post,uint8 *out)
{
int j;
if(_row == _column)
{
if(extract_post <= 0)
{
for ( j = 0 ; j < _column ; j++ )
{
out[j] = in[((_column+1)*j)-extract_post] ;
}
}
else
{
for ( j = extract_post ; j < _column ; j++ )
{
out[j-extract_post] = in[((_column+1)*j)-extract_post] ;
}
}
}
else if(_row > _column)
{
if(extract_post >=0)
{
for(j = extract_post; j < _column;j++)
{
out[j-extract_post] = in[((_row+1)*j)-extract_post];
}
}
else
{
if((abs(extract_post) <= (_row - _column)))
{
for(j = 0; j < _column ; j++)
{
out[j] = in[((_row+1)*j)-extract_post];
}
}
else
{
for(j=0; j < (_row + extract_post);j++)
{
out[j] = in[((_row+1)*j)-extract_post];
}
}
}
}
else if (_row < _column)
{
if(extract_post > 0)
{
if((extract_post <= (_column - _row)))
{
for(j=extract_post;j < _column;j++)
{
out[j-extract_post] = in[((_row+1)*j)-extract_post];
}
}
else
{
for(j=extract_post;j < _column;j++)
{
out[j-extract_post] = in[((_row+1)*j)-extract_post];
}
}
}
else
{
for(j=0;j < (_row+extract_post);j++)
{
out[j] = in[((_row+1)*j)-extract_post];
}
}
}
}
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