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/*
** -*- C -*-
**
** sign.h
** Made by Bruno JOFRET <bruno.jofret@inria.fr>
**
** Started on Thu Feb 8 10:12:17 2007 jofret
** Last update Fri Sep 7 17:37:57 2007 bruno
**
** Copyright INRIA 2007
*/
#ifndef __SIGN_H__
#define __SIGN_H__
#include <math.h>
#include "floatComplex.h"
#include "doubleComplex.h"
/**
** \brief Float Signe function
** Determine the sine 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.
**/
int ssigns(float in);
/**
** \brief Double Signe function
** Determine the sine 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.
**/
int dsigns(double in);
/**
** \brief Float Complex Signe function
** Determine the sine 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.
**/
int csigns(floatComplex in);
/**
** \brief Double Complex Signe function
** Determine the sine 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.
**/
int zsigns(doubleComplex in);
/**
** \brief Float Signe Array function
** Determine the sine 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.
**/
int ssigna(float *in, int size);
/**
** \brief Double Signe Array function
** Determine the sine 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.
**/
int dsigna(double *in, int size);
/**
** \brief Float Signe Complex Array function
** Determine the sine 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.
**/
int csigna(floatComplex *in, int size);
/**
** \brief Double Signe Complex Array function
** Determine the sine 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.
**/
int zsigna(doubleComplex *in, int size);
#endif /* !__SIGN_H__ */
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