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, 2006-2023 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  https://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  /* Warning: up from version 5.1.0, __clz_tab has 129 elements. */
      30  #if defined(COUNT_LEADING_ZEROS_NEED_CLZ_TAB) && !defined(MPFR_HAVE_GMP_IMPL)
      31  const
      32  unsigned char __clz_tab[129] =
      33  {
      34    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,
      35    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,
      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    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,
      38    9
      39  };
      40  #endif