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      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}};
     70