/* Compatibility functions for floating point formatting, long double version.

   Copyright (C) 1996-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <float.h>

#define FLOAT_TYPE long double

#define FUNC_PREFIX q

#define FLOAT_FMT_FLAG "L"

/* Actually we have to write (LDBL_DIG + log10 (LDBL_MAX_10_EXP)) but

   we don't have log10 available in the preprocessor.  Since we cannot

   assume anything on the used `long double' format be generous.  */

#define MAXDIG (NDIGIT_MAX + 12)

#define FCVT_MAXDIG (LDBL_MAX_10_EXP + MAXDIG)

#if LDBL_MANT_DIG == 64

# define NDIGIT_MAX 21

#elif LDBL_MANT_DIG == 53

# define NDIGIT_MAX 17

#elif LDBL_MANT_DIG == 113

# define NDIGIT_MAX 36

#elif LDBL_MANT_DIG == 106

# define NDIGIT_MAX 34

#elif LDBL_MANT_DIG == 56

# define NDIGIT_MAX 18

#else

/* See IEEE 854 5.6, table 2 for this formula.  Unfortunately we need a

   compile time constant here, so we cannot use it.  */

# error "NDIGIT_MAX must be precomputed"

# define NDIGIT_MAX (lrint (ceil (M_LN2 / M_LN10 * LDBL_MANT_DIG + 1.0)))

#endif

#include "efgcvt.c"