added variance.h

1 files changed, 107 insertions, 0 deletions

diff --git a/src/statisticsFunctions/includes/variance.h b/src/statisticsFunctions/includes/variance.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 __VARIANCE_H__
+#define __VARIANCE_H__
+
+#include "pow.h"
+#include "sum.h"
+
+#include "mean.h"
+#include "matrixTranspose.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include "doubleComplex.h"
+#include "floatComplex.h"
+
+
+
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		svariances(in)			    in
+#define		srowvariances(in)			in
+#define		scolumnvariances(in)		in
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		dvariances(in)			    in
+#define		drowvariances(in)			in
+#define		dcolumnvariances(in)		in
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		cvariances(in)			    in
+#define		crowvariances(in)			in
+#define		ccolumnvariances(in)		in
+
+
+/*
+** \brief Variance of a scalar element, just returns it
+*/
+#define		zvariances(in)			    in
+#define		zrowvariances(in)			in
+#define		zcolumnvariances(in)		in
+
+
+/*
+** \brief Variance of a float array
+** \param in the float array to process
+** \param size, the size of the array
+** \returns the variance.
+*/
+float		svariancea(float *in, int size);
+void		srowvariancea(float *in, int lines, int columns, float* out);
+void		scolumnvariancea(float *in, int lines, int columns, float* out);
+
+/*
+** \brief Variance of a double array
+** \param in the double array to process
+** \param size, the size of the array
+** \returns the variance.
+*/
+double		dvariancea(double *in, int size);
+void		drowvariancea(double *in, int lines, int columns, double* out);
+void		dcolumnvariancea(double *in, int lines, int columns, 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 variance.
+*/
+floatComplex	cvariancea(floatComplex *in, int size);
+void		crowvariancea(floatComplex *in, int lines, int columns, floatComplex* out);
+void		ccolumnvariancea(floatComplex *in, int lines, int columns, 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 variance.
+*/
+doubleComplex	zvariancea(doubleComplex *in, int size);
+void		zrowvariancea(doubleComplex *in, int lines, int columns, doubleComplex* out);
+void		zcolumnvariancea(doubleComplex *in, int lines, int columns, doubleComplex* out);
+
+
+
+#endif /* !__VARIANCE_H__ */