tst-addsub.c
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上传日期:2022-08-06
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- /* Copyright 1996, 2001 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 3 of the License, or (at your
- option) any later version.
- The GNU MP Library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
- #include <stdio.h>
- #include <stdlib.h>
- #include "gmp.h"
- #include "gmp-impl.h"
- #include "tests.h"
- #define ADD 1
- #define SUB 2
- #ifndef METHOD
- #define METHOD ADD
- #endif
- #if METHOD == ADD
- #define REFCALL refmpn_add_n
- #define TESTCALL mpn_add_n
- #endif
- #if METHOD == SUB
- #define REFCALL refmpn_sub_n
- #define TESTCALL mpn_sub_n
- #endif
- #define SIZE 100
- int
- main (int argc, char **argv)
- {
- mp_size_t alloc_size, max_size, size, i, cumul_size;
- mp_ptr s1, s2, dx, dy;
- int s1_align, s2_align, d_align;
- long pass, n_passes;
- mp_limb_t cx, cy;
- max_size = SIZE;
- n_passes = 1000000;
- argc--; argv++;
- if (argc)
- {
- max_size = atol (*argv);
- argc--; argv++;
- }
- alloc_size = max_size + 32;
- s1 = malloc (alloc_size * BYTES_PER_MP_LIMB);
- s2 = malloc (alloc_size * BYTES_PER_MP_LIMB);
- dx = malloc (alloc_size * BYTES_PER_MP_LIMB);
- dy = malloc (alloc_size * BYTES_PER_MP_LIMB);
- cumul_size = 0;
- for (pass = 0; pass < n_passes; pass++)
- {
- size = random () % max_size + 1;
- cumul_size += size;
- if (cumul_size >= 1000000)
- {
- cumul_size -= 1000000;
- printf ("r%ld", pass); fflush (stdout);
- }
- s1_align = random () % 32;
- s2_align = random () % 32;
- d_align = random () % 32;
- mpn_random2 (s1 + s1_align, size);
- mpn_random2 (s2 + s2_align, size);
- for (i = 0; i < alloc_size; i++)
- dx[i] = dy[i] = i + 0x9876500;
- cx = TESTCALL (dx + d_align, s1 + s1_align, s2 + s2_align, size);
- cy = REFCALL (dy + d_align, s1 + s1_align, s2 + s2_align, size);
- if (cx != cy || mpn_cmp (dx, dy, alloc_size) != 0)
- abort ();
- }
- printf ("%ld passes OKn", n_passes);
- exit (0);
- }