source/libs/mpfr/mpfr-3.1.3/src/mp_clz_tab.c

   1 /* __clz_tab -- support for longlong.h
   2
   3    THE CONTENTS OF THIS FILE ARE FOR INTERNAL USE AND MAY CHANGE
   4    INCOMPATIBLY OR DISAPPEAR IN A FUTURE GNU MPFR RELEASE.
   5
   6 Copyright 1991, 1993-1994, 1996-1997, 2000-2001, 2004, 2006-2015 Free Software Foundation, Inc.
   7
   8 This file is part of the GNU MPFR Library.
   9 It has been copied and adapted from the GNU MP Library.
  10
  11 The GNU MPFR Library is free software; you can redistribute it and/or modify
  12 it under the terms of the GNU Lesser General Public License as published by
  13 the Free Software Foundation; either version 3 of the License, or (at your
  14 option) any later version.
  15
  16 The GNU MPFR Library is distributed in the hope that it will be useful, but
  17 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  19 License for more details.
  20
  21 You should have received a copy of the GNU Lesser General Public License
  22 along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
  23 http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
  24 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
  25
  26 #define MPFR_NEED_LONGLONG_H
  27 #include "mpfr-impl.h"
  28
  29 #if defined(COUNT_LEADING_ZEROS_NEED_CLZ_TAB) && defined(__GMPFR_GMP_H__)
  30 const
  31 unsigned char __clz_tab[128] =
  32 {
  33   1,2,3,3,4,4,4,4,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
  34   7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
  35   8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
  36   8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
  37 };
  38 #endif