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Member "nano-4.5/lib/printf-frexp.h" (4 Oct 2019, 1073 Bytes) of package /linux/misc/nano-4.5.tar.xz:


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    1 /* Split a double into fraction and mantissa, for hexadecimal printf.
    2    Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc.
    3 
    4    This program is free software: you can redistribute it and/or modify
    5    it under the terms of the GNU General Public License as published by
    6    the Free Software Foundation; either version 3 of the License, or
    7    (at your option) any later version.
    8 
    9    This program is distributed in the hope that it will be useful,
   10    but WITHOUT ANY WARRANTY; without even the implied warranty of
   11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   12    GNU General Public License for more details.
   13 
   14    You should have received a copy of the GNU General Public License
   15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
   16 
   17 /* Write a finite, positive number x as
   18      x = mantissa * 2^exp
   19    where exp >= DBL_MIN_EXP - 1,
   20          mantissa < 2.0,
   21          if x is not a denormalized number then mantissa >= 1.0.
   22    Store exp in *EXPPTR and return mantissa.  */
   23 extern double printf_frexp (double x, int *expptr);