/******************************************************************************
 *
 * File:           nan.h
 *
 * Created:        18/10/2001
 *
 * Author:         Pavel Sakov
 *                 CSIRO Marine Research
 *
 * Purpose:        NaN definition
 *
 * Description:    Should cover machines with 64 bit doubles or other machines
 *                 with GCC
 *
 * Revisions:      None
 *
 *****************************************************************************/

#if !defined(_NAN_H)
#define _NAN_H

#if defined(__GNUC__)
static const double NaN = 0.0 / 0.0;
#elif defined(BIG_ENDIAN) || defined(_BIG_ENDIAN)
static const long long lNaN = 0x7fffffffffffffff;

#define NaN (*(double*)&lNaN)
#else
static const long long lNaN = 0xfff8000000000000;

#define NaN (*(double*)&lNaN)
#endif

#endif