Mercurial > gnulib
view lib/printf-frexpl.h @ 40221:8c1a17df67e0
tests: Prepare for using valgrind.
tests/*.sh: Invoke all test programs through ${CHECKER}.
tests/*/*.sh: Likewise.
author | Bruno Haible <bruno@clisp.org> |
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date | Sun, 10 Mar 2019 11:32:11 +0100 |
parents | b06060465f09 |
children |
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/* Split a 'long double' into fraction and mantissa, for hexadecimal printf. Copyright (C) 2007, 2009-2019 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 <https://www.gnu.org/licenses/>. */ /* 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);