2.3-1/src/c/matrixOperations/trace/i16tracea.c


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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 "matrixTrace.h"

int16 i16tracea ( int16* in ,int lines){
    
    
    int i = 0 ;
    //double out  = 0 ;
    int16 out = 0;
    
    for (  i = 0 ; i < lines ; ++i)
        out += (int16)in[i*lines + i] ;
    
    return out;
}