Example #1
0
static void
one_test (const struct matrix *A, const struct matrix *B, int i)
{
  struct matrix R;
  struct matrix P;
  mp_ptr tp;

  matrix_init (&R, A->n + B->n + 1);
  matrix_init (&P, A->n + B->n + 1);

  tp = refmpn_malloc_limbs (mpn_matrix22_mul_itch (A->n, B->n));

  ref_matrix22_mul (&R, A, B, tp);
  matrix_copy (&P, A);
  mpn_matrix22_mul (P.e00, P.e01, P.e10, P.e11, A->n,
		    B->e00, B->e01, B->e10, B->e11, B->n, tp);
  P.n = A->n + B->n + 1;
  if (!matrix_equal_p (&R, &P))
    {
      fprintf (stderr, "ERROR in test %d\n", i);
      gmp_fprintf (stderr, "A = (%Nx, %Nx\n      %Nx, %Nx)\n"
		   "B = (%Nx, %Nx\n      %Nx, %Nx)\n"
		   "R = (%Nx, %Nx (expected)\n      %Nx, %Nx)\n"
		   "P = (%Nx, %Nx (incorrect)\n      %Nx, %Nx)\n",
		   A->e00, A->n, A->e01, A->n, A->e10, A->n, A->e11, A->n,
		   B->e00, B->n, B->e01, B->n, B->e10, B->n, B->e11, B->n,
		   R.e00, R.n, R.e01, R.n, R.e10, R.n, R.e11, R.n,
		   P.e00, P.n, P.e01, P.n, P.e10, P.n, P.e11, P.n);
      abort();
    }
  refmpn_free_limbs (tp);
  matrix_clear (&R);
  matrix_clear (&P);
}
Example #2
0
static mp_size_t
one_test (mpz_t a, mpz_t b, int i)
{
  struct hgcd_matrix hgcd;
  struct hgcd_ref ref;

  mpz_t ref_r0;
  mpz_t ref_r1;
  mpz_t hgcd_r0;
  mpz_t hgcd_r1;

  mp_size_t res[2];
  mp_size_t asize;
  mp_size_t bsize;

  mp_size_t hgcd_init_scratch;
  mp_size_t hgcd_scratch;

  mp_ptr hgcd_init_tp;
  mp_ptr hgcd_tp;

  asize = a->_mp_size;
  bsize = b->_mp_size;

  ASSERT (asize >= bsize);

  hgcd_init_scratch = MPN_HGCD_MATRIX_INIT_ITCH (asize);
  hgcd_init_tp = refmpn_malloc_limbs (hgcd_init_scratch);
  mpn_hgcd_matrix_init (&hgcd, asize, hgcd_init_tp);

  hgcd_scratch = mpn_hgcd_itch (asize);
  hgcd_tp = refmpn_malloc_limbs (hgcd_scratch);

#if 0
  fprintf (stderr,
	   "one_test: i = %d asize = %d, bsize = %d\n",
	   i, a->_mp_size, b->_mp_size);

  gmp_fprintf (stderr,
	       "one_test: i = %d\n"
	       "  a = %Zx\n"
	       "  b = %Zx\n",
	       i, a, b);
#endif
  hgcd_ref_init (&ref);

  mpz_init_set (ref_r0, a);
  mpz_init_set (ref_r1, b);
  res[0] = hgcd_ref (&ref, ref_r0, ref_r1);

  mpz_init_set (hgcd_r0, a);
  mpz_init_set (hgcd_r1, b);
  if (bsize < asize)
    {
      _mpz_realloc (hgcd_r1, asize);
      MPN_ZERO (hgcd_r1->_mp_d + bsize, asize - bsize);
    }
  res[1] = mpn_hgcd (hgcd_r0->_mp_d,
		     hgcd_r1->_mp_d,
		     asize,
		     &hgcd, hgcd_tp);

  if (res[0] != res[1])
    {
      fprintf (stderr, "ERROR in test %d\n", i);
      fprintf (stderr, "Different return value from hgcd and hgcd_ref\n");
      fprintf (stderr, "op1=");                 debug_mp (a, -16);
      fprintf (stderr, "op2=");                 debug_mp (b, -16);
      fprintf (stderr, "hgcd_ref: %ld\n", (long) res[0]);
      fprintf (stderr, "mpn_hgcd: %ld\n", (long) res[1]);
      abort ();
    }
  if (res[0] > 0)
    {
      if (!hgcd_ref_equal (&hgcd, &ref)
	  || !mpz_mpn_equal (ref_r0, hgcd_r0->_mp_d, res[1])
	  || !mpz_mpn_equal (ref_r1, hgcd_r1->_mp_d, res[1]))
	{
	  fprintf (stderr, "ERROR in test %d\n", i);
	  fprintf (stderr, "mpn_hgcd and hgcd_ref returned different values\n");
	  fprintf (stderr, "op1=");                 debug_mp (a, -16);
	  fprintf (stderr, "op2=");                 debug_mp (b, -16);
	  abort ();
	}
    }

  refmpn_free_limbs (hgcd_init_tp);
  refmpn_free_limbs (hgcd_tp);
  hgcd_ref_clear (&ref);
  mpz_clear (ref_r0);
  mpz_clear (ref_r1);
  mpz_clear (hgcd_r0);
  mpz_clear (hgcd_r1);

  return res[0];
}
Example #3
0
static mp_size_t
one_test (mpz_t a, mpz_t b, int i)
{
  struct hgcd_matrix hgcd;
  struct hgcd_ref ref;

  mpz_t ref_r0;
  mpz_t ref_r1;
  mpz_t hgcd_r0;
  mpz_t hgcd_r1;

  int res[2];
  mp_size_t asize;
  mp_size_t bsize;

  mp_size_t hgcd_init_scratch;
  mp_size_t hgcd_scratch;

  mp_ptr hgcd_init_tp;
  mp_ptr hgcd_tp;
  mp_limb_t marker[4];

  asize = a->_mp_size;
  bsize = b->_mp_size;

  ASSERT (asize >= bsize);

  hgcd_init_scratch = MPN_HGCD_MATRIX_INIT_ITCH (asize);
  hgcd_init_tp = refmpn_malloc_limbs (hgcd_init_scratch + 2) + 1;
  mpn_hgcd_matrix_init (&hgcd, asize, hgcd_init_tp);

  hgcd_scratch = mpn_hgcd_appr_itch (asize);
  hgcd_tp = refmpn_malloc_limbs (hgcd_scratch + 2) + 1;

  mpn_random (marker, 4);

  hgcd_init_tp[-1] = marker[0];
  hgcd_init_tp[hgcd_init_scratch] = marker[1];
  hgcd_tp[-1] = marker[2];
  hgcd_tp[hgcd_scratch] = marker[3];

#if 0
  fprintf (stderr,
	   "one_test: i = %d asize = %d, bsize = %d\n",
	   i, a->_mp_size, b->_mp_size);

  gmp_fprintf (stderr,
	       "one_test: i = %d\n"
	       "  a = %Zx\n"
	       "  b = %Zx\n",
	       i, a, b);
#endif
  hgcd_ref_init (&ref);

  mpz_init_set (ref_r0, a);
  mpz_init_set (ref_r1, b);
  res[0] = hgcd_ref (&ref, ref_r0, ref_r1);

  mpz_init_set (hgcd_r0, a);
  mpz_init_set (hgcd_r1, b);
  if (bsize < asize)
    {
      _mpz_realloc (hgcd_r1, asize);
      MPN_ZERO (hgcd_r1->_mp_d + bsize, asize - bsize);
    }
  res[1] = mpn_hgcd_appr (hgcd_r0->_mp_d,
			  hgcd_r1->_mp_d,
			  asize,
			  &hgcd, hgcd_tp);

  if (hgcd_init_tp[-1] != marker[0]
      || hgcd_init_tp[hgcd_init_scratch] != marker[1]
      || hgcd_tp[-1] != marker[2]
      || hgcd_tp[hgcd_scratch] != marker[3])
    {
      fprintf (stderr, "ERROR in test %d\n", i);
      fprintf (stderr, "scratch space overwritten!\n");

      if (hgcd_init_tp[-1] != marker[0])
	gmp_fprintf (stderr,
		     "before init_tp: %Mx\n"
		     "expected: %Mx\n",
		     hgcd_init_tp[-1], marker[0]);
      if (hgcd_init_tp[hgcd_init_scratch] != marker[1])
	gmp_fprintf (stderr,
		     "after init_tp: %Mx\n"
		     "expected: %Mx\n",
		     hgcd_init_tp[hgcd_init_scratch], marker[1]);
      if (hgcd_tp[-1] != marker[2])
	gmp_fprintf (stderr,
		     "before tp: %Mx\n"
		     "expected: %Mx\n",
		     hgcd_tp[-1], marker[2]);
      if (hgcd_tp[hgcd_scratch] != marker[3])
	gmp_fprintf (stderr,
		     "after tp: %Mx\n"
		     "expected: %Mx\n",
		     hgcd_tp[hgcd_scratch], marker[3]);

      abort ();
    }

  if (!hgcd_appr_valid_p (a, b, res[0], &ref, ref_r0, ref_r1,
			  res[1], &hgcd))
    {
      fprintf (stderr, "ERROR in test %d\n", i);
      fprintf (stderr, "Invalid results for hgcd and hgcd_ref\n");
      fprintf (stderr, "op1=");                 debug_mp (a, -16);
      fprintf (stderr, "op2=");                 debug_mp (b, -16);
      fprintf (stderr, "hgcd_ref: %ld\n", (long) res[0]);
      fprintf (stderr, "mpn_hgcd_appr: %ld\n", (long) res[1]);
      abort ();
    }

  refmpn_free_limbs (hgcd_init_tp - 1);
  refmpn_free_limbs (hgcd_tp - 1);
  hgcd_ref_clear (&ref);
  mpz_clear (ref_r0);
  mpz_clear (ref_r1);
  mpz_clear (hgcd_r0);
  mpz_clear (hgcd_r1);

  return res[0];
}
Example #4
0
static void
matrix_clear (struct matrix *M)
{
  refmpn_free_limbs (M->e00);
}