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diff --git a/src/statisticsFunctions/includes/prod.h b/src/statisticsFunctions/includes/prod.h
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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
+ *
+ */
+
+#ifndef __PROD_H__
+#define __PROD_H__
+
+#include "floatComplex.h"
+#include "doubleComplex.h"
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		sprods(in)			in
+#define		srowprods(in)			in
+#define		scolumnsprods(in)		in
+#define		smatlabprods(in)			in
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		dprods(in)			in
+#define		drowprods(in)			in
+#define		dcolumnsprods(in)		in
+#define		dmatlabprods(in)			in
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		cprods(in)			in
+#define		crowprods(in)			in
+#define		ccolumnsprods(in)		in
+#define		cmatlabprods(in)			in
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		zprods(in)			in
+#define		zrowprods(in)			in
+#define		zcolumnsprods(in)		in
+#define		zmatlabprods(in)			in
+
+/*
+** \brief Sum of a float array
+** \param in the float array to process
+** \param size, the size of the array
+** \returns the prod.
+*/
+float		sproda(float *in, int size);
+void		srowproda(float *in, int lines, int columns, float* out);
+void		scolumnproda(float *in, int lines, int columns, float* out);
+
+/*
+** \brief Sum of a double array
+** \param in the double array to process
+** \param size, the size of the array
+** \returns the prod.
+*/
+double		dproda(double *in, int size);
+void		drowproda(double *in, int lines, int columns, double* out);
+void		dcolumnproda(double *in, int lines, int columns, double* out);
+
+/*
+** \brief Sum of a float complex array
+** \param in the float array to process
+** \param size, the size of the array
+** \returns the prod.
+*/
+floatComplex	cproda(floatComplex *in, int size);
+void		crowproda(floatComplex *in, int lines, int columns, floatComplex* out);
+void		ccolumnproda(floatComplex *in, int lines, int columns, floatComplex* out);
+
+/*
+** \brief Sum of a double complex array
+** \param in the double array to process
+** \param size, the size of the array
+** \returns the prod.
+*/
+doubleComplex	zproda(doubleComplex *in, int size);
+void		zrowproda(doubleComplex *in, int lines, int columns, doubleComplex* out);
+void		zcolumnproda(doubleComplex *in, int lines, int columns, doubleComplex* out);
+
+#endif /* !__PROD_H__ */