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trader/lib/printf-frexp.h
John Zaitseff c7f2343052 Add all auto-generated files
The auto-generated files are created by running ./build-aux/bootstrap
with Gnulib as at commit d72683055ea46253d8eb8f89341eff5414ae6ca0 (with a
date stamp of Sun Jul 24 23:37:17 2011 +0200), Autoconf 2.68 and Automake
1.11.1.
2011-07-25 20:10:32 +10:00

24 lines
1.0 KiB
C

/* Split a double into fraction and mantissa, for hexadecimal printf.
Copyright (C) 2007, 2009-2011 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
/* 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 in *EXPPTR and return mantissa. */
extern double printf_frexp (double x, int *expptr);