mirror of
https://https.git.savannah.gnu.org/git/gnulib.git
synced 2026-06-15 23:35:50 +00:00
Bruno Haible
25 lines
1.1 KiB
C
25 lines
1.1 KiB
C
/* Split a double into fraction and mantissa, for hexadecimal printf.
|
|
Copyright (C) 2007 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation,
|
|
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
|
|
|
/* Write a finite, positive number x as
|
|
x = mantissa * 2^exp
|
|
where exp >= DBL_MIN_EXP - 1,
|
|
mantissa < 2.0,
|
|
if x is not a denormalized number then mantissa >= 1.0.
|
|
Store exp and return mantissa. */
|
|
extern double printf_frexp (double x, int *exp);
|