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diff --git a/src/c/statisticsFunctions/includes/variancef.h b/src/c/statisticsFunctions/includes/variancef.h
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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
+ *
+ */
+
+#ifndef __VARIANCEF_H__
+#define __VARIANCEF_H__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+
+#include "dynlib_statisticsfunctions.h"
+#include "subtraction.h"
+#include "division.h"
+
+
+#include "pow.h"
+#include "sum.h"
+
+#include "meanf.h"
+
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+
+
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		svariancefs(in1,in2)			    0.0f
+#define		srowvariancefs(in1,in2)			0.0f
+#define		scolumnvariancefs(in1,in2)		0.0f
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		dvariancefs(in1,in2)			    0.0
+#define		drowvariancefs(in1,in2)			0.0
+#define		dcolumnvariancefs(in1,in2)		0.0
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		cvariancefs(in1,in2)			    FloatComplex(0.0f , 0.0f)
+#define		crowvariancefs(in1,in2)			FloatComplex(0.0f , 0.0f)
+#define		ccolumnvariancefs(in1,in2)		FloatComplex(0.0f , 0.0f)
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		zvariancefs(in1,in2)			    DoubleComplex(0.0 , 0.0)
+#define		zrowvariancefs(in1,in2)			DoubleComplex(0.0 , 0.0)
+#define		zcolumnvariancefs(in1,in2)		DoubleComplex(0.0 , 0.0)
+
+
+/*
+** \brief Variance of a float array
+** \param in the float array to process
+** \param size, the size of the array
+** \returns the variancef.
+*/
+EXTERN_STATFUNC float		svariancefa(float *in1, int size, float *in2);
+EXTERN_STATFUNC void		srowvariancefa(float *in1, int lines, int columns, float *in2, float* out);
+EXTERN_STATFUNC void		scolumnvariancefa(float *in1, int lines, int columns, float *in2, float* out);
+
+/*
+** \brief Variance of a double array
+** \param in the double array to process
+** \param size, the size of the array
+** \returns the variancef.
+*/
+EXTERN_STATFUNC double		dvariancefa(double *in1, int size, double *in2);
+EXTERN_STATFUNC void		drowvariancefa(double *in1, int lines, int columns, double *in2, double* out);
+EXTERN_STATFUNC void		dcolumnvariancefa(double *in1, int lines, int columns, double *in2, double* out);
+
+/*
+** \brief Variance of a float complex array
+** \param in the float array to process
+** \param size, the size of the array
+** \returns the variancef.
+*/
+EXTERN_STATFUNC floatComplex	cvariancefa(floatComplex *in1, int size, floatComplex *in2);
+EXTERN_STATFUNC void		crowvariancefa(floatComplex *in1, int lines, int columns, floatComplex *in2, floatComplex* out);
+EXTERN_STATFUNC void		ccolumnvariancefa(floatComplex *in1, int lines, int columns, floatComplex *in2, floatComplex* out);
+
+/*
+** \brief Variance of a double complex array
+** \param in the double array to process
+** \param size, the size of the array
+** \returns the variancef.
+*/
+EXTERN_STATFUNC doubleComplex	zvariancefa(doubleComplex *in1, int size, doubleComplex *in2);
+EXTERN_STATFUNC void		zrowvariancefa(doubleComplex *in1, int lines, int columns, doubleComplex *in2, doubleComplex* out);
+EXTERN_STATFUNC void		zcolumnvariancefa(doubleComplex *in1, int lines, int columns, doubleComplex *in2, doubleComplex* out);
+
+#ifdef  __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif /* !__VARIANCEF_H__ */