/* Compatibility functions for floating point formatting, long double version. Copyright (C) 1996, 1997, 1999, 2000 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #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 == 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"