Example #1
0
int
main (int argc, char *argv[])
{
  mp_limb_t  want_bb, want_bb_inv;
  int        base, want_chars_per_limb;

  want_chars_per_limb = refmpn_chars_per_limb (10);
  if (MP_BASES_CHARS_PER_LIMB_10 != want_chars_per_limb)
    {
      printf ("MP_BASES_CHARS_PER_LIMB_10 wrong\n");
      abort ();
    }

  want_bb = refmpn_big_base (10);
  if (MP_BASES_BIG_BASE_10 != want_bb)
    {
      printf ("MP_BASES_BIG_BASE_10 wrong\n");
      abort ();
    }

  want_bb_inv = refmpn_invert_limb
    (want_bb << refmpn_count_leading_zeros (want_bb));
  if (MP_BASES_BIG_BASE_INVERTED_10 != want_bb_inv)
    {
      printf ("MP_BASES_BIG_BASE_INVERTED_10 wrong\n");
      abort ();
    }

  if (MP_BASES_NORMALIZATION_STEPS_10
      != refmpn_count_leading_zeros (MP_BASES_BIG_BASE_10))
    {
      printf ("MP_BASES_NORMALIZATION_STEPS_10 wrong\n");
      abort ();
    }

  for (base = 2; base < numberof (mp_bases); base++)
    {
      want_chars_per_limb = refmpn_chars_per_limb (base);
      if (mp_bases[base].chars_per_limb != want_chars_per_limb)
        {
          printf ("mp_bases[%d].chars_per_limb wrong\n", base);
          printf ("  got  %d\n", mp_bases[base].chars_per_limb);
          printf ("  want %d\n", want_chars_per_limb);
          abort ();
        }

      if (POW2_P (base))
        {
          want_bb = refmpn_count_trailing_zeros ((mp_limb_t) base);
          if (mp_bases[base].big_base != want_bb)
            {
              printf ("mp_bases[%d].big_base (log2 of base) wrong\n", base);
              abort ();
            }
        }
      else
        {
          want_bb = refmpn_big_base (base);
          if (mp_bases[base].big_base != want_bb)
            {
              printf ("mp_bases[%d].big_base wrong\n", base);
              abort ();
            }

#if USE_PREINV_DIVREM_1
          want_bb_inv = refmpn_invert_limb
            (want_bb << refmpn_count_leading_zeros (want_bb));
          if (mp_bases[base].big_base_inverted != want_bb_inv)
            {
              printf ("mp_bases[%d].big_base_inverted wrong\n", base);
              abort ();
            }
#endif
        }
    }

  exit (0);
}
Example #2
0
void
check (void)
{
  mp_limb_t  wp[100], xp[100], yp[100];
  mp_size_t  size = 100;

  refmpn_zero (xp, size);
  refmpn_zero (yp, size);
  refmpn_zero (wp, size);

  pre ("mpn_add_n");
  mpn_add_n (wp, xp, yp, size);
  post ();

#if HAVE_NATIVE_mpn_add_nc
  pre ("mpn_add_nc");
  mpn_add_nc (wp, xp, yp, size, CNST_LIMB(0));
  post ();
#endif

#if HAVE_NATIVE_mpn_addlsh1_n
  pre ("mpn_addlsh1_n");
  mpn_addlsh1_n (wp, xp, yp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_and_n
  pre ("mpn_and_n");
  mpn_and_n (wp, xp, yp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_andn_n
  pre ("mpn_andn_n");
  mpn_andn_n (wp, xp, yp, size);
  post ();
#endif

  pre ("mpn_addmul_1");
  mpn_addmul_1 (wp, xp, size, yp[0]);
  post ();

#if HAVE_NATIVE_mpn_addmul_1c
  pre ("mpn_addmul_1c");
  mpn_addmul_1c (wp, xp, size, yp[0], CNST_LIMB(0));
  post ();
#endif

#if HAVE_NATIVE_mpn_com_n
  pre ("mpn_com_n");
  mpn_com_n (wp, xp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_copyd
  pre ("mpn_copyd");
  mpn_copyd (wp, xp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_copyi
  pre ("mpn_copyi");
  mpn_copyi (wp, xp, size);
  post ();
#endif

  pre ("mpn_divexact_1");
  mpn_divexact_1 (wp, xp, size, CNST_LIMB(123));
  post ();

  pre ("mpn_divexact_by3c");
  mpn_divexact_by3c (wp, xp, size, CNST_LIMB(0));
  post ();

  pre ("mpn_divrem_1");
  mpn_divrem_1 (wp, (mp_size_t) 0, xp, size, CNST_LIMB(123));
  post ();

#if HAVE_NATIVE_mpn_divrem_1c
  pre ("mpn_divrem_1c");
  mpn_divrem_1c (wp, (mp_size_t) 0, xp, size, CNST_LIMB(123), CNST_LIMB(122));
  post ();
#endif

  pre ("mpn_gcd_1");
  xp[0] |= 1;
  notdead += (unsigned long) mpn_gcd_1 (xp, size, CNST_LIMB(123));
  post ();

#if HAVE_NATIVE_mpn_gcd_finda
  pre ("mpn_gcd_finda");
  xp[0] |= 1;
  xp[1] |= 1;
  notdead += mpn_gcd_finda (xp);
  post ();
#endif

  pre ("mpn_hamdist");
  notdead += mpn_hamdist (xp, yp, size);
  post ();

#if HAVE_NATIVE_mpn_ior_n
  pre ("mpn_ior_n");
  mpn_ior_n (wp, xp, yp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_iorn_n
  pre ("mpn_iorn_n");
  mpn_iorn_n (wp, xp, yp, size);
  post ();
#endif

  pre ("mpn_lshift");
  mpn_lshift (wp, xp, size, 1);
  post ();

  pre ("mpn_mod_1");
  notdead += mpn_mod_1 (xp, size, CNST_LIMB(123));
  post ();

#if HAVE_NATIVE_mpn_mod_1c
  pre ("mpn_mod_1c");
  notdead += mpn_mod_1c (xp, size, CNST_LIMB(123), CNST_LIMB(122));
  post ();
#endif

#if GMP_NUMB_BITS % 4 == 0
  pre ("mpn_mod_34lsub1");
  notdead += mpn_mod_34lsub1 (xp, size);
  post ();
#endif

  pre ("mpn_modexact_1_odd");
  notdead += mpn_modexact_1_odd (xp, size, CNST_LIMB(123));
  post ();

  pre ("mpn_modexact_1c_odd");
  notdead += mpn_modexact_1c_odd (xp, size, CNST_LIMB(123), CNST_LIMB(456));
  post ();

  pre ("mpn_mul_1");
  mpn_mul_1 (wp, xp, size, yp[0]);
  post ();

#if HAVE_NATIVE_mpn_mul_1c
  pre ("mpn_mul_1c");
  mpn_mul_1c (wp, xp, size, yp[0], CNST_LIMB(0));
  post ();
#endif

#if HAVE_NATIVE_mpn_mul_2
  pre ("mpn_mul_2");
  mpn_mul_2 (wp, xp, size-1, yp);
  post ();
#endif

  pre ("mpn_mul_basecase");
  mpn_mul_basecase (wp, xp, (mp_size_t) 3, yp, (mp_size_t) 3);
  post ();

#if HAVE_NATIVE_mpn_nand_n
  pre ("mpn_nand_n");
  mpn_nand_n (wp, xp, yp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_nior_n
  pre ("mpn_nior_n");
  mpn_nior_n (wp, xp, yp, size);
  post ();
#endif

  pre ("mpn_popcount");
  notdead += mpn_popcount (xp, size);
  post ();

  pre ("mpn_preinv_mod_1");
  notdead += mpn_preinv_mod_1 (xp, size, GMP_NUMB_MAX,
                               refmpn_invert_limb (GMP_NUMB_MAX));
  post ();

#if USE_PREINV_DIVREM_1 || HAVE_NATIVE_mpn_preinv_divrem_1
  pre ("mpn_preinv_divrem_1");
  mpn_preinv_divrem_1 (wp, (mp_size_t) 0, xp, size, GMP_NUMB_MAX,
                       refmpn_invert_limb (GMP_NUMB_MAX), 0);
  post ();
#endif

#if HAVE_NATIVE_mpn_rsh1add_n
  pre ("mpn_rsh1add_n");
  mpn_rsh1add_n (wp, xp, yp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_rsh1sub_n
  pre ("mpn_rsh1sub_n");
  mpn_rsh1sub_n (wp, xp, yp, size);
  post ();
#endif

  pre ("mpn_rshift");
  mpn_rshift (wp, xp, size, 1);
  post ();

  pre ("mpn_sqr_basecase");
  mpn_sqr_basecase (wp, xp, (mp_size_t) 3);
  post ();

  pre ("mpn_submul_1");
  mpn_submul_1 (wp, xp, size, yp[0]);
  post ();

#if HAVE_NATIVE_mpn_submul_1c
  pre ("mpn_submul_1c");
  mpn_submul_1c (wp, xp, size, yp[0], CNST_LIMB(0));
  post ();
#endif

  pre ("mpn_sub_n");
  mpn_sub_n (wp, xp, yp, size);
  post ();

#if HAVE_NATIVE_mpn_sub_nc
  pre ("mpn_sub_nc");
  mpn_sub_nc (wp, xp, yp, size, CNST_LIMB(0));
  post ();
#endif

#if HAVE_NATIVE_mpn_sublsh1_n
  pre ("mpn_sublsh1_n");
  mpn_sublsh1_n (wp, xp, yp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_udiv_qrnnd
  pre ("mpn_udiv_qrnnd");
  mpn_udiv_qrnnd (&wp[0], CNST_LIMB(122), xp[0], CNST_LIMB(123));
  post ();
#endif

#if HAVE_NATIVE_mpn_udiv_qrnnd_r
  pre ("mpn_udiv_qrnnd_r");
  mpn_udiv_qrnnd (CNST_LIMB(122), xp[0], CNST_LIMB(123), &wp[0]);
  post ();
#endif

#if HAVE_NATIVE_mpn_umul_ppmm
  pre ("mpn_umul_ppmm");
  mpn_umul_ppmm (&wp[0], xp[0], yp[0]);
  post ();
#endif

#if HAVE_NATIVE_mpn_umul_ppmm_r
  pre ("mpn_umul_ppmm_r");
  mpn_umul_ppmm_r (&wp[0], xp[0], yp[0]);
  post ();
#endif

#if HAVE_NATIVE_mpn_xor_n
  pre ("mpn_xor_n");
  mpn_xor_n (wp, xp, yp, size);
  post ();
#endif

#if HAVE_NATIVE_mpn_xnor_n
  pre ("mpn_xnor_n");
  mpn_xnor_n (wp, xp, yp, size);
  post ();
#endif
}
Example #3
0
void
check_functions (void)
{
  mp_limb_t  wp[2], wp2[2], xp[2], yp[2], r;
  int  i;

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 123;
      yp[0] = 456;
      mpn_add_n (wp, xp, yp, (mp_size_t) 1);
      ASSERT_ALWAYS (wp[0] == 579);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 123;
      wp[0] = 456;
      r = mpn_addmul_1 (wp, xp, (mp_size_t) 1, CNST_LIMB(2));
      ASSERT_ALWAYS (wp[0] == 702);
      ASSERT_ALWAYS (r == 0);
    }

#if HAVE_NATIVE_mpn_copyd
  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 123;
      xp[1] = 456;
      mpn_copyd (xp+1, xp, (mp_size_t) 1);
      ASSERT_ALWAYS (xp[1] == 123);
    }
#endif

#if HAVE_NATIVE_mpn_copyi
  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 123;
      xp[1] = 456;
      mpn_copyi (xp, xp+1, (mp_size_t) 1);
      ASSERT_ALWAYS (xp[0] == 456);
    }
#endif

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 1605;
      mpn_divexact_1 (wp, xp, (mp_size_t) 1, CNST_LIMB(5));
      ASSERT_ALWAYS (wp[0] == 321);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 1296;
      r = mpn_divexact_by3c (wp, xp, (mp_size_t) 1, CNST_LIMB(0));
      ASSERT_ALWAYS (wp[0] == 432);
      ASSERT_ALWAYS (r == 0);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 578;
      r = mpn_divexact_byfobm1 (wp, xp, (mp_size_t) 1, CNST_LIMB(17),CNST_LIMB(-1)/CNST_LIMB(17));
      ASSERT_ALWAYS (wp[0] == 34);
      ASSERT_ALWAYS (r == 0);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 287;
      r = mpn_divrem_1 (wp, (mp_size_t) 1, xp, (mp_size_t) 1, CNST_LIMB(7));
      ASSERT_ALWAYS (wp[1] == 41);
      ASSERT_ALWAYS (wp[0] == 0);
      ASSERT_ALWAYS (r == 0);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 290;
      r = mpn_divrem_euclidean_qr_1 (wp, 0, xp, (mp_size_t) 1, CNST_LIMB(7));
      ASSERT_ALWAYS (wp[0] == 41);
      ASSERT_ALWAYS (r == 3);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 12;
      r = mpn_gcd_1 (xp, (mp_size_t) 1, CNST_LIMB(9));
      ASSERT_ALWAYS (r == 3);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 0x1001;
      mpn_lshift (wp, xp, (mp_size_t) 1, 1);
      ASSERT_ALWAYS (wp[0] == 0x2002);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 14;
      r = mpn_mod_1 (xp, (mp_size_t) 1, CNST_LIMB(4));
      ASSERT_ALWAYS (r == 2);
    }

#if (GMP_NUMB_BITS % 4) == 0
  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      int  bits = (GMP_NUMB_BITS / 4) * 3;
      mp_limb_t  mod = (CNST_LIMB(1) << bits) - 1;
      mp_limb_t  want = GMP_NUMB_MAX % mod;
      xp[0] = GMP_NUMB_MAX;
      r = mpn_mod_34lsub1 (xp, (mp_size_t) 1);
      ASSERT_ALWAYS (r % mod == want);
    }
#endif

  //   DECL_modexact_1c_odd ((*modexact_1c_odd)); 

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 14;
      r = mpn_mul_1 (wp, xp, (mp_size_t) 1, CNST_LIMB(4));
      ASSERT_ALWAYS (wp[0] == 56);
      ASSERT_ALWAYS (r == 0);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 5;
      yp[0] = 7;
      mpn_mul_basecase (wp, xp, (mp_size_t) 1, yp, (mp_size_t) 1);
      ASSERT_ALWAYS (wp[0] == 35);
      ASSERT_ALWAYS (wp[1] == 0);
    }

#if HAVE_NATIVE_mpn_preinv_divrem_1 && GMP_NAIL_BITS == 0
  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 0x101;
      r = mpn_preinv_divrem_1 (wp, (mp_size_t) 1, xp, (mp_size_t) 1,
                               GMP_LIMB_HIGHBIT,
                               refmpn_invert_limb (GMP_LIMB_HIGHBIT), 0);
      ASSERT_ALWAYS (wp[0] == 0x202);
      ASSERT_ALWAYS (wp[1] == 0);
      ASSERT_ALWAYS (r == 0);
    }
#endif

#if GMP_NAIL_BITS == 0
  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = GMP_LIMB_HIGHBIT+123;
      r = mpn_preinv_mod_1 (xp, (mp_size_t) 1, GMP_LIMB_HIGHBIT,
                            refmpn_invert_limb (GMP_LIMB_HIGHBIT));
      ASSERT_ALWAYS (r == 123);
    }
#endif


 memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
   for (i = 0; i < 2; i++)
       {
        xp[0] = 5;
        modlimb_invert(r,xp[0]);
        r=-r;
        yp[0]=43;
        yp[1]=75;
        mpn_redc_1 (wp, yp, xp, (mp_size_t) 1,r);
        ASSERT_ALWAYS (wp[0] == 78);
       }

 memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
   for (i = 0; i < 2; i++)
       {
        xp[0]=5;
        yp[0]=3;
        mpn_sumdiff_n (wp, wp2,xp, yp,1);
        ASSERT_ALWAYS (wp[0] == 8);
        ASSERT_ALWAYS (wp2[0] == 2);
       }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 0x8008;
      mpn_rshift (wp, xp, (mp_size_t) 1, 1);
      ASSERT_ALWAYS (wp[0] == 0x4004);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 5;
      mpn_sqr_basecase (wp, xp, (mp_size_t) 1);
      ASSERT_ALWAYS (wp[0] == 25);
      ASSERT_ALWAYS (wp[1] == 0);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 999;
      yp[0] = 666;
      mpn_sub_n (wp, xp, yp, (mp_size_t) 1);
      ASSERT_ALWAYS (wp[0] == 333);
    }

  memcpy (&__gmpn_cpuvec, &initial_cpuvec, sizeof (__gmpn_cpuvec));
  for (i = 0; i < 2; i++)
    {
      xp[0] = 123;
      wp[0] = 456;
      r = mpn_submul_1 (wp, xp, (mp_size_t) 1, CNST_LIMB(2));
      ASSERT_ALWAYS (wp[0] == 210);
      ASSERT_ALWAYS (r == 0);
    }
}
void
check_data (void)
{
  static const struct {
    mp_limb_t  n[1];
    mp_size_t  nsize;
    mp_limb_t  d;
    mp_size_t  qxn;
    mp_limb_t  want_q[5];
    mp_limb_t  want_r;
  } data[] = {
    { { 0 }, 1, 1, 0,
      { 0 }, 0},

    { { 5 }, 1, 2, 0,
      { 2 }, 1},

#if GMP_NUMB_BITS == 32
    { { 0x3C }, 1, 0xF2, 1,
      { 0x3F789854, 0 }, 0x98 },
#endif

#if GMP_NUMB_BITS == 64
    { { 0x3C }, 1, 0xF2, 1,
      { CNST_LIMB(0x3F789854A0CB1B81), 0 }, 0x0E },

    /* This case exposed some wrong code generated by SGI cc on mips64 irix
       6.5 with -n32 -O2, in the fractional loop for normalized divisor
       using udiv_qrnnd_preinv.  A test "x>al" in one of the sub_ddmmss
       expansions came out wrong, leading to an incorrect quotient.  */
    { { CNST_LIMB(0x3C00000000000000) }, 1, CNST_LIMB(0xF200000000000000), 1,
      { CNST_LIMB(0x3F789854A0CB1B81), 0 }, CNST_LIMB(0x0E00000000000000) },
#endif
  };

  mp_limb_t  dinv, got_r, got_q[numberof(data[0].want_q)];
  mp_size_t  qsize;
  int        i, shift;

  for (i = 0; i < numberof (data); i++)
    {
      qsize = data[i].nsize + data[i].qxn;
      ASSERT_ALWAYS (qsize <= numberof (got_q));

      got_r = mpn_divrem_1 (got_q, data[i].qxn, data[i].n, data[i].nsize,
                            data[i].d);
      if (got_r != data[i].want_r
          || refmpn_cmp (got_q, data[i].want_q, qsize) != 0)
        {
          printf        ("mpn_divrem_1 wrong at data[%d]\n", i);
        bad:
          mpn_trace     ("  n", data[i].n, data[i].nsize);
          printf        ("  nsize=%ld\n", (long) data[i].nsize);
          mp_limb_trace ("  d", data[i].d);
          printf        ("  qxn=%ld\n", (long) data[i].qxn);
          mpn_trace     ("  want q", data[i].want_q, qsize);
          mpn_trace     ("  got  q", got_q, qsize);
          mp_limb_trace ("  want r", data[i].want_r);
          mp_limb_trace ("  got  r", got_r);
          abort ();
        }

      /* test if available */
#if USE_PREINV_DIVREM_1 || HAVE_NATIVE_mpn_preinv_divrem_1
      shift = refmpn_count_leading_zeros (data[i].d);
      dinv = refmpn_invert_limb (data[i].d << shift);
      got_r = mpn_preinv_divrem_1 (got_q, data[i].qxn,
                                   data[i].n, data[i].nsize,
                                   data[i].d, dinv, shift);
      if (got_r != data[i].want_r
          || refmpn_cmp (got_q, data[i].want_q, qsize) != 0)
        {
          printf        ("mpn_preinv divrem_1 wrong at data[%d]\n", i);
          printf        ("  shift=%d\n", shift);
          mp_limb_trace ("  dinv", dinv);
          goto bad;
        }
#endif
    }
}