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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2007-2008 - 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 __SIGN_H__
#define __SIGN_H__
#include <math.h>
#include "dynlib_auxiliaryfunctions.h"
#include "floatComplex.h"
#include "doubleComplex.h"
#include "types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
** \brief Float Signe function
** Determine the sign of in (assume that 0 is positive).
** \param in : the float we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT float ssigns(float in);
/**
** \brief Double Signe function
** Determine the sign of in (assume that 0 is positive).
** \param in : the double we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT double dsigns(double in);
/**
** \brief Float Complex Signe function
** Determine the sign of in (assume that 0 is positive).
** \param in : the float we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT floatComplex csigns(floatComplex in);
/**
** \brief Double Complex Signe function
** Determine the sign of in (assume that 0 is positive).
** \param in : the double we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT doubleComplex zsigns(doubleComplex in);
/**
** \brief Uint8 Sign function
** Determine the sign of in (assume that 0 is positive).
** \param in : the uint8 we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT int8 u8signs(uint8 in);
/**
** \brief Int8 Sign function
** Determine the sign of in (assume that 0 is positive).
** \param in : the int8 we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT int8 i8signs(int8 in);
/**
** \brief Uint16 Sign function
** Determine the sign of in (assume that 0 is positive).
** \param in : the uint16 we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT int16 u16signs(uint16 in);
/**
** \brief Int16 Sign function
** Determine the sign of in (assume that 0 is positive).
** \param in : the uint16 we must determine sign.
** \return -1 or +1 depending on the sign of in.
**/
EXTERN_AUXFUNCT int16 i16signs(int16 in);
/**
** \brief Float Signe Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the float array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void ssigna(float *in, int size, float *out);
/**
** \brief Double Signe Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the double array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void dsigna(double *in, int size, double *out);
/**
** \brief Float Signe Complex Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the float complex array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void csigna(floatComplex *in, int size, floatComplex *out);
/**
** \brief Double Signe Complex Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the double complex array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void zsigna(doubleComplex *in, int size, doubleComplex *out);
/**
** \brief Uint8 Sign Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the uint8 array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void u8signa(uint8 *in, int size, int8 *out);
/**
** \brief Int8 Sign Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the int8 array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void i8signa(int8 *in, int size, int8 *out);
/**
** \brief Uint16 Sign Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the uint16 array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void u16signa(uint16 *in, int size, int16 *out);
/**
** \brief Int16 Sign Array function
** Determine the sign of an array in (assume that 0 is positive).
** \param in : the int16 array we must determine sign.
** \param size : the number of elements.
** \return -1 or +1 depending on the sign of in elements.
**/
EXTERN_AUXFUNCT void i16signa(int16 *in, int size, int16 *out);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* !__SIGN_H__ */
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