| /* Compatibility functions for floating point formatting, long double version. |
| Copyright (C) 1996-2016 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" |