/* Split a 'long double' into fraction and mantissa, for hexadecimal printf. Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc. This file 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. This file 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 this program. If not, see . */ #ifdef __cplusplus extern "C" { #endif /* Write a finite, positive number x as x = mantissa * 2^exp where exp >= LDBL_MIN_EXP - 1, mantissa < 2.0, if x is not a denormalized number then mantissa >= 1.0. Store exp in *EXPPTR and return mantissa. */ extern long double printf_frexpl (long double x, int *expptr); #ifdef __cplusplus } #endif