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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 <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 "mean.h"
#include "matrixTranspose.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
** \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.
*/
EXTERN_STATFUNC float svariancea(float *in, int size);
EXTERN_STATFUNC void srowvariancea(float *in, int lines, int columns, float* out);
EXTERN_STATFUNC 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.
*/
EXTERN_STATFUNC double dvariancea(double *in, int size);
EXTERN_STATFUNC void drowvariancea(double *in, int lines, int columns, double* out);
EXTERN_STATFUNC 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.
*/
EXTERN_STATFUNC floatComplex cvariancea(floatComplex *in, int size);
EXTERN_STATFUNC void crowvariancea(floatComplex *in, int lines, int columns, floatComplex* out);
EXTERN_STATFUNC 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.
*/
EXTERN_STATFUNC doubleComplex zvariancea(doubleComplex *in, int size);
EXTERN_STATFUNC void zrowvariancea(doubleComplex *in, int lines, int columns, doubleComplex* out);
EXTERN_STATFUNC void zcolumnvariancea(doubleComplex *in, int lines, int columns, doubleComplex* out);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* !__VARIANCE_H__ */
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