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buildtools/gcc/gmp/tests/mpn/t-aors_1.c
Fredrik Holmqvist 4c74403188 Update GMP to 6.2.0 
Change-Id: Iae65e95cfa0d92091b8b0a424ae36d88efa76aa9
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/3020
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
2020-07-17 10:33:46 +00:00

311 lines
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/* Test mpn_add_1 and mpn_sub_1.
Copyright 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU MP Library test suite.
The GNU MP Library test suite is free software; you can redistribute it
and/or modify it under the terms of the GNU 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 test suite 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 General
Public License for more details.
You should have received a copy of the GNU General Public License along with
the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
#include <stdio.h>
#include <stdlib.h>
#include "gmp-impl.h"
#include "tests.h"
#define M GMP_NUMB_MAX
#define ASIZE 10
#define MAGIC 0x1234
#define SETUP() \
do { \
refmpn_random (got, data[i].size); \
got[data[i].size] = MAGIC; \
} while (0)
#define SETUP_INPLACE() \
do { \
refmpn_copyi (got, data[i].src, data[i].size); \
got[data[i].size] = MAGIC; \
} while (0)
#define VERIFY(name) \
do { \
verify (name, i, data[i].src, data[i].n, \
got_c, data[i].want_c, \
got, data[i].want, data[i].size); \
} while (0)
typedef mp_limb_t (*mpn_aors_1_t) (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
mpn_aors_1_t fudge (mpn_aors_1_t);
void
verify (const char *name, int i,
mp_srcptr src, mp_limb_t n,
mp_limb_t got_c, mp_limb_t want_c,
mp_srcptr got, mp_srcptr want, mp_size_t size)
{
if (got[size] != MAGIC)
{
printf ("Overwrite at %s i=%d\n", name, i);
abort ();
}
if (got_c != want_c || ! refmpn_equal_anynail (got, want, size))
{
printf ("Wrong at %s i=%d size=%ld\n", name, i, size);
mpn_trace (" src", src, size);
mpn_trace (" n", &n, (mp_size_t) 1);
mpn_trace (" got", got, size);
mpn_trace (" want", want, size);
mpn_trace (" got c", &got_c, (mp_size_t) 1);
mpn_trace ("want c", &want_c, (mp_size_t) 1);
abort ();
}
}
void
check_add_1 (void)
{
static const struct {
mp_size_t size;
mp_limb_t n;
const mp_limb_t src[ASIZE];
mp_limb_t want_c;
const mp_limb_t want[ASIZE];
} data[] = {
{ 1, 0, { 0 }, 0, { 0 } },
{ 1, 0, { 1 }, 0, { 1 } },
{ 1, 1, { 0 }, 0, { 1 } },
{ 1, 0, { M }, 0, { M } },
{ 1, M, { 0 }, 0, { M } },
{ 1, 1, { 123 }, 0, { 124 } },
{ 1, 1, { M }, 1, { 0 } },
{ 1, M, { 1 }, 1, { 0 } },
{ 1, M, { M }, 1, { M-1 } },
{ 2, 0, { 0, 0 }, 0, { 0, 0 } },
{ 2, 0, { 1, 0 }, 0, { 1, 0 } },
{ 2, 1, { 0, 0 }, 0, { 1, 0 } },
{ 2, 0, { M, 0 }, 0, { M, 0 } },
{ 2, M, { 0, 0 }, 0, { M, 0 } },
{ 2, 1, { M, 0 }, 0, { 0, 1 } },
{ 2, M, { 1, 0 }, 0, { 0, 1 } },
{ 2, M, { M, 0 }, 0, { M-1, 1 } },
{ 2, M, { M, 0 }, 0, { M-1, 1 } },
{ 2, 1, { M, M }, 1, { 0, 0 } },
{ 2, M, { 1, M }, 1, { 0, 0 } },
{ 2, M, { M, M }, 1, { M-1, 0 } },
{ 2, M, { M, M }, 1, { M-1, 0 } },
{ 3, 1, { M, M, M }, 1, { 0, 0, 0 } },
{ 3, M, { 1, M, M }, 1, { 0, 0, 0 } },
{ 3, M, { M, M, M }, 1, { M-1, 0, 0 } },
{ 3, M, { M, M, M }, 1, { M-1, 0, 0 } },
{ 4, 1, { M, M, M, M }, 1, { 0, 0, 0, 0 } },
{ 4, M, { 1, M, M, M }, 1, { 0, 0, 0, 0 } },
{ 4, M, { M, M, M, M }, 1, { M-1, 0, 0, 0 } },
{ 4, M, { M, M, M, M }, 1, { M-1, 0, 0, 0 } },
{ 4, M, { M, 0, M, M }, 0, { M-1, 1, M, M } },
{ 4, M, { M, M-1, M, M }, 0, { M-1, M, M, M } },
{ 4, M, { M, M, 0, M }, 0, { M-1, 0, 1, M } },
{ 4, M, { M, M, M-1, M }, 0, { M-1, 0, M, M } },
};
mp_limb_t got[ASIZE];
mp_limb_t got_c;
/* mpn_sec_add_a_itch(n) <= n */
mp_limb_t scratch[ASIZE];
int i;
for (i = 0; i < numberof (data); i++)
{
SETUP ();
got_c = mpn_add_1 (got, data[i].src, data[i].size, data[i].n);
VERIFY ("check_add_1 (separate)");
SETUP_INPLACE ();
got_c = mpn_add_1 (got, got, data[i].size, data[i].n);
VERIFY ("check_add_1 (in-place)");
SETUP ();
scratch [mpn_sec_add_1_itch(data[i].size)] = MAGIC;
got_c = mpn_sec_add_1 (got, data[i].src, data[i].size, data[i].n, scratch);
got_c ^= scratch [mpn_sec_add_1_itch(data[i].size)] ^ MAGIC;
VERIFY ("check_sec_add_1 (separate)");
SETUP_INPLACE ();
got_c = mpn_sec_add_1 (got, got, data[i].size, data[i].n, scratch);
VERIFY ("check_sec_add_1 (in-place)");
if (data[i].n == 1)
{
SETUP ();
got_c = mpn_add_1 (got, data[i].src, data[i].size, CNST_LIMB(1));
VERIFY ("check_add_1 (separate, const 1)");
SETUP_INPLACE ();
got_c = mpn_add_1 (got, got, data[i].size, CNST_LIMB(1));
VERIFY ("check_add_1 (in-place, const 1)");
SETUP ();
got_c = mpn_sec_add_1 (got, data[i].src, data[i].size,
CNST_LIMB(1), scratch);
VERIFY ("check_sec_add_1 (separate, const 1)");
SETUP_INPLACE ();
got_c = mpn_sec_add_1 (got, got, data[i].size,
CNST_LIMB(1), scratch);
VERIFY ("check_sec_add_1 (in-place, const 1)");
}
/* Same again on functions, not inlines. */
SETUP ();
got_c = (*fudge(mpn_add_1)) (got, data[i].src, data[i].size, data[i].n);
VERIFY ("check_add_1 (function, separate)");
SETUP_INPLACE ();
got_c = (*fudge(mpn_add_1)) (got, got, data[i].size, data[i].n);
VERIFY ("check_add_1 (function, in-place)");
}
}
void
check_sub_1 (void)
{
static const struct {
mp_size_t size;
mp_limb_t n;
const mp_limb_t src[ASIZE];
mp_limb_t want_c;
const mp_limb_t want[ASIZE];
} data[] = {
{ 1, 0, { 0 }, 0, { 0 } },
{ 1, 0, { 1 }, 0, { 1 } },
{ 1, 1, { 1 }, 0, { 0 } },
{ 1, 0, { M }, 0, { M } },
{ 1, 1, { M }, 0, { M-1 } },
{ 1, 1, { 123 }, 0, { 122 } },
{ 1, 1, { 0 }, 1, { M } },
{ 1, M, { 0 }, 1, { 1 } },
{ 2, 0, { 0, 0 }, 0, { 0, 0 } },
{ 2, 0, { 1, 0 }, 0, { 1, 0 } },
{ 2, 1, { 1, 0 }, 0, { 0, 0 } },
{ 2, 0, { M, 0 }, 0, { M, 0 } },
{ 2, 1, { M, 0 }, 0, { M-1, 0 } },
{ 2, 1, { 123, 0 }, 0, { 122, 0 } },
{ 2, 1, { 0, 0 }, 1, { M, M } },
{ 2, M, { 0, 0 }, 1, { 1, M } },
{ 3, 0, { 0, 0, 0 }, 0, { 0, 0, 0 } },
{ 3, 0, { 123, 0, 0 }, 0, { 123, 0, 0 } },
{ 3, 1, { 0, 0, 0 }, 1, { M, M, M } },
{ 3, M, { 0, 0, 0 }, 1, { 1, M, M } },
{ 4, 1, { 0, 0, 0, 0 }, 1, { M, M, M, M } },
{ 4, M, { 0, 0, 0, 0 }, 1, { 1, M, M, M } },
{ 4, 1, { 0, 0, 1, 42 }, 0, { M, M, 0, 42 } },
{ 4, M, { 0, 0, 123, 24 }, 0, { 1, M, 122, 24 } },
};
mp_limb_t got[ASIZE];
mp_limb_t got_c;
/* mpn_sec_sub_1_itch(n) <= n */
mp_limb_t scratch[ASIZE];
int i;
for (i = 0; i < numberof (data); i++)
{
SETUP ();
got_c = mpn_sub_1 (got, data[i].src, data[i].size, data[i].n);
VERIFY ("check_sub_1 (separate)");
SETUP_INPLACE ();
got_c = mpn_sub_1 (got, got, data[i].size, data[i].n);
VERIFY ("check_sub_1 (in-place)");
SETUP ();
scratch [mpn_sec_sub_1_itch(data[i].size)] = MAGIC;
got_c = mpn_sec_sub_1 (got, data[i].src, data[i].size, data[i].n, scratch);
got_c ^= scratch [mpn_sec_sub_1_itch(data[i].size)] ^ MAGIC;
VERIFY ("check_sec_sub_1 (separate)");
SETUP_INPLACE ();
got_c = mpn_sec_sub_1 (got, got, data[i].size, data[i].n, scratch);
VERIFY ("check_sec_sub_1 (in-place)");
if (data[i].n == 1)
{
SETUP ();
got_c = mpn_sub_1 (got, data[i].src, data[i].size, CNST_LIMB(1));
VERIFY ("check_sub_1 (separate, const 1)");
SETUP_INPLACE ();
got_c = mpn_sub_1 (got, got, data[i].size, CNST_LIMB(1));
VERIFY ("check_sub_1 (in-place, const 1)");
SETUP ();
got_c = mpn_sec_sub_1 (got, data[i].src, data[i].size,
CNST_LIMB(1), scratch);
VERIFY ("check_sec_sub_1 (separate, const 1)");
SETUP_INPLACE ();
got_c = mpn_sec_sub_1 (got, got, data[i].size,
CNST_LIMB(1), scratch);
VERIFY ("check_sec_sub_1 (in-place, const 1)");
}
/* Same again on functions, not inlines. */
SETUP ();
got_c = (*fudge(mpn_sub_1)) (got, data[i].src, data[i].size, data[i].n);
VERIFY ("check_sub_1 (function, separate)");
SETUP_INPLACE ();
got_c = (*fudge(mpn_sub_1)) (got, got, data[i].size, data[i].n);
VERIFY ("check_sub_1 (function, in-place)");
}
}
/* Try to prevent the optimizer inlining. */
mpn_aors_1_t
fudge (mpn_aors_1_t f)
{
return f;
}
int
main (void)
{
tests_start ();
mp_trace_base = -16;
check_add_1 ();
check_sub_1 ();
tests_end ();
exit (0);
}
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