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/* Copyright (C) 2016 - IIT Bombay - FOSSEE
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
Author: Siddhesh Wani
Organization: FOSSEE, IIT Bombay
Email: toolbox@scilab.in
*/
#include "sum.h"
void u8rowsuma(uint8 *in, int lines, int columns, uint8 * out) {
int i = 0;
/*
** First assign first row, just in case
** out contains non-zero's elements.
*/
for (i = 0 ; i < columns; ++i)
{
out[i] = (uint8)in[i * lines];
}
/*
** Then accumulate in each column.
*/
for (i = 1 ; i <= (lines - 1) * columns ; ++i)
{
out[(i - 1) % columns] = (uint8)u8adds( out[(i - 1) % columns] ,
in[((i - 1) % columns) * lines + 1 + (i - 1) / columns]);
}
}
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