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diff --git a/src/c/statisticsFunctions/includes/sum.h b/src/c/statisticsFunctions/includes/sum.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 __SUM_H__
+#define __SUM_H__
+
+#include "dynlib_statisticsfunctions.h"
+#include "floatComplex.h"
+#include "doubleComplex.h"
+#include "addition.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		ssums(in)			in
+#define		srowsums(in)			in
+#define		scolumnsums(in)		in
+#define		smatlabsums(in)			in
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		dsums(in)			in
+#define		drowsums(in)			in
+#define		dcolumnsums(in)		in
+#define		dmatlabsums(in)			in
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		csums(in)			in
+#define		crowsums(in)			in
+#define		ccolumnsums(in)		in
+#define		cmatlabsums(in)			in
+
+/*
+** \brief Sum of a scalar element, just returns it
+*/
+#define		zsums(in)			in
+#define		zrowsums(in)			in
+#define		zcolumnsums(in)		in
+#define		zmatlabsums(in)			in
+
+/*
+** \brief Sum of a float array
+** \param in the float array to process
+** \param size, the size of the array
+** \returns the sum.
+*/
+EXTERN_STATFUNC float		ssuma(float *in, int size);
+EXTERN_STATFUNC void		srowsuma(float *in, int lines, int columns, float* out);
+EXTERN_STATFUNC void		scolumnsuma(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 sum.
+*/
+EXTERN_STATFUNC double		dsuma(double *in, int size);
+EXTERN_STATFUNC void		drowsuma(double *in, int lines, int columns, double* out);
+EXTERN_STATFUNC void		dcolumnsuma(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 sum.
+*/
+EXTERN_STATFUNC floatComplex	csuma(floatComplex *in, int size);
+EXTERN_STATFUNC void		crowsuma(floatComplex *in, int lines, int columns, floatComplex* out);
+EXTERN_STATFUNC void		ccolumnsuma(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 sum.
+*/
+EXTERN_STATFUNC doubleComplex	zsuma(doubleComplex *in, int size);
+EXTERN_STATFUNC void		zrowsuma(doubleComplex *in, int lines, int columns, doubleComplex* out);
+EXTERN_STATFUNC void		zcolumnsuma(doubleComplex *in, int lines, int columns, doubleComplex* out);
+
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* !__SUM_H__ */