(root)/
mpfr-4.2.1/
src/
constant.c
       1  /* MPFR internal constant FP numbers
       2  
       3  Copyright 2005-2023 Free Software Foundation, Inc.
       4  Contributed by the AriC and Caramba projects, INRIA.
       5  
       6  This file is part of the GNU MPFR Library.
       7  
       8  The GNU MPFR Library is free software; you can redistribute it and/or modify
       9  it under the terms of the GNU Lesser General Public License as published by
      10  the Free Software Foundation; either version 3 of the License, or (at your
      11  option) any later version.
      12  
      13  The GNU MPFR Library is distributed in the hope that it will be useful, but
      14  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
      15  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
      16  License for more details.
      17  
      18  You should have received a copy of the GNU Lesser General Public License
      19  along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
      20  https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
      21  51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
      22  
      23  #include "mpfr-impl.h"
      24  
      25  static const mp_limb_t __gmpfr_limb1[1] = {MPFR_LIMB_HIGHBIT};
      26  const mpfr_t __gmpfr_one = {{2, MPFR_SIGN_POS, 1, (mp_limb_t*)__gmpfr_limb1}};
      27  const mpfr_t __gmpfr_two = {{2, MPFR_SIGN_POS, 2, (mp_limb_t*)__gmpfr_limb1}};
      28  const mpfr_t __gmpfr_four ={{2, MPFR_SIGN_POS, 3, (mp_limb_t*)__gmpfr_limb1}};
      29  const mpfr_t __gmpfr_mone ={{2, MPFR_SIGN_NEG, 1, (mp_limb_t*)__gmpfr_limb1}};
      30  
      31  #if 0
      32  #elif GMP_NUMB_BITS == 8
      33  static const mp_limb_t mpfr_l2_dd__tab[] = { 0xab, 0x79, 0xcf, 0xd1, 0xf7, 0x17, 0x72, 0xb1 };
      34  #elif GMP_NUMB_BITS == 16
      35  static const mp_limb_t mpfr_l2_dd__tab[] = { 0x79ab, 0xd1cf, 0x17f7, 0xb172 };
      36  #elif GMP_NUMB_BITS == 32
      37  static const mp_limb_t mpfr_l2_dd__tab[] = { 0xd1cf79ab, 0xb17217f7};
      38  #elif GMP_NUMB_BITS == 64
      39  static const mp_limb_t mpfr_l2_dd__tab[] = { 0xb17217f7d1cf79ab };
      40  #elif GMP_NUMB_BITS == 96
      41  static const mp_limb_t mpfr_l2_dd__tab[] = { 0xb17217f7d1cf79ab00000000 };
      42  #elif GMP_NUMB_BITS == 128
      43  static const mp_limb_t mpfr_l2_dd__tab[] = { 0xb17217f7d1cf79ab0000000000000000 };
      44  #elif GMP_NUMB_BITS == 256
      45  static const mp_limb_t mpfr_l2_dd__tab[] = { 0xb17217f7d1cf79ab000000000000000000000000000000000000000000000000 };
      46  #endif
      47  
      48  const mpfr_t __gmpfr_const_log2_RNDD =
      49    {{64, MPFR_SIGN_POS, 0, (mp_limb_t*)mpfr_l2_dd__tab}};
      50  
      51  #if 0
      52  #elif GMP_NUMB_BITS == 8
      53  static const mp_limb_t mpfr_l2_du__tab[] = { 0xac, 0x79, 0xcf, 0xd1, 0xf7, 0x17, 0x72, 0xb1 };
      54  #elif GMP_NUMB_BITS == 16
      55  static const mp_limb_t mpfr_l2_du__tab[] = { 0x79ac, 0xd1cf, 0x17f7, 0xb172 };
      56  #elif GMP_NUMB_BITS == 32
      57  static const mp_limb_t mpfr_l2_du__tab[] = { 0xd1cf79ac, 0xb17217f7};
      58  #elif GMP_NUMB_BITS == 64
      59  static const mp_limb_t mpfr_l2_du__tab[] = { 0xb17217f7d1cf79ac };
      60  #elif GMP_NUMB_BITS == 96
      61  static const mp_limb_t mpfr_l2_du__tab[] = { 0xb17217f7d1cf79ac00000000 };
      62  #elif GMP_NUMB_BITS == 128
      63  static const mp_limb_t mpfr_l2_du__tab[] = { 0xb17217f7d1cf79ac0000000000000000 };
      64  #elif GMP_NUMB_BITS == 256
      65  static const mp_limb_t mpfr_l2_du__tab[] = { 0xb17217f7d1cf79ac000000000000000000000000000000000000000000000000 };
      66  #endif
      67  
      68  const mpfr_t __gmpfr_const_log2_RNDU =
      69    {{64, MPFR_SIGN_POS, 0, (mp_limb_t*)mpfr_l2_du__tab}};