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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
*
* 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 "sum.h"
void drowsuma(double *in, int lines, int columns, double *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] = in[i * lines];
}
/*
** Then accumulate in each column.
*/
for (i = 1 ; i <= (lines - 1) * columns ; ++i)
{
out[(i - 1) % columns] += in[((i - 1) % columns) * lines + 1 + (i - 1) / columns];
}
}
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