pqc/external/flint-2.4.3/padic_mat/test/t-sub.c
2014-05-24 23:16:06 +02:00

256 lines
7.4 KiB
C

/*=============================================================================
This file is part of FLINT.
FLINT 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 2 of the License, or
(at your option) any later version.
FLINT 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 FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011, 2013 Sebastian Pancratz
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
#include "long_extras.h"
#include "padic.h"
#include "padic_mat.h"
int
main(void)
{
int i, result;
fmpz_t p;
slong N;
padic_ctx_t ctx;
slong m, n;
FLINT_TEST_INIT(state);
flint_printf("sub... ");
fflush(stdout);
/* Check aliasing: a = a - b */
for (i = 0; i < 10000; i++)
{
padic_mat_t a, b, d;
fmpz_init_set_ui(p, n_randtest_prime(state, 0));
N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
+ PADIC_TEST_PREC_MIN;
padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
m = n_randint(state, 20);
n = n_randint(state, 20);
padic_mat_init2(a, m, n, N);
padic_mat_init2(b, m, n, N);
padic_mat_init2(d, m, n, N);
padic_mat_randtest(a, state, ctx);
padic_mat_randtest(b, state, ctx);
padic_mat_sub(d, a, b, ctx);
padic_mat_sub(a, a, b, ctx);
result = (padic_mat_equal(a, d) && padic_mat_is_reduced(a, ctx));
if (!result)
{
flint_printf("FAIL:\n\n");
flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
flint_printf("b = "), padic_mat_print(b, ctx), flint_printf("\n");
flint_printf("d = "), padic_mat_print(d, ctx), flint_printf("\n");
abort();
}
padic_mat_clear(a);
padic_mat_clear(b);
padic_mat_clear(d);
fmpz_clear(p);
padic_ctx_clear(ctx);
}
/* Check aliasing: b = a - b */
for (i = 0; i < 10000; i++)
{
padic_mat_t a, b, d;
fmpz_init_set_ui(p, n_randtest_prime(state, 0));
N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
+ PADIC_TEST_PREC_MIN;
padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
m = n_randint(state, 20);
n = n_randint(state, 20);
padic_mat_init2(a, m, n, N);
padic_mat_init2(b, m, n, N);
padic_mat_init2(d, m, n, N);
padic_mat_randtest(a, state, ctx);
padic_mat_randtest(b, state, ctx);
padic_mat_sub(d, a, b, ctx);
padic_mat_sub(b, a, b, ctx);
result = (padic_mat_equal(b, d) && padic_mat_is_reduced(b, ctx));
if (!result)
{
flint_printf("FAIL:\n\n");
flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
flint_printf("b = "), padic_mat_print(b, ctx), flint_printf("\n");
flint_printf("d = "), padic_mat_print(d, ctx), flint_printf("\n");
abort();
}
padic_mat_clear(a);
padic_mat_clear(b);
padic_mat_clear(d);
fmpz_clear(p);
padic_ctx_clear(ctx);
}
/* Check aliasing: a = a - a == 0 */
for (i = 0; i < 10000; i++)
{
padic_mat_t a, d;
fmpz_init_set_ui(p, n_randtest_prime(state, 0));
N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
+ PADIC_TEST_PREC_MIN;
padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
m = n_randint(state, 20);
n = n_randint(state, 20);
padic_mat_init2(a, m, n, N);
padic_mat_init2(d, m, n, N);
padic_mat_randtest(a, state, ctx);
padic_mat_sub(d, a, a, ctx);
padic_mat_sub(a, a, a, ctx);
result = (padic_mat_equal(a, d) && padic_mat_is_zero(a));
if (!result)
{
flint_printf("FAIL:\n\n");
flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
flint_printf("d = "), padic_mat_print(d, ctx), flint_printf("\n");
abort();
}
padic_mat_clear(a);
padic_mat_clear(d);
fmpz_clear(p);
padic_ctx_clear(ctx);
}
/* Check commutativity: a - b == -(b - a) */
for (i = 0; i < 10000; i++)
{
padic_mat_t a, b, c, d;
fmpz_init_set_ui(p, n_randtest_prime(state, 0));
N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
+ PADIC_TEST_PREC_MIN;
padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
m = n_randint(state, 10);
n = n_randint(state, 10);
padic_mat_init2(a, m, n, N);
padic_mat_init2(b, m, n, N);
padic_mat_init2(c, m, n, N);
padic_mat_init2(d, m, n, N);
padic_mat_randtest(a, state, ctx);
padic_mat_randtest(b, state, ctx);
padic_mat_sub(c, a, b, ctx);
padic_mat_sub(d, b, a, ctx);
padic_mat_neg(d, d, ctx);
result = (padic_mat_equal(c, d) && padic_mat_is_reduced(c, ctx));
if (!result)
{
flint_printf("FAIL:\n\n");
flint_printf("a = "), padic_mat_print_pretty(a, ctx), flint_printf("\n");
flint_printf("b = "), padic_mat_print_pretty(b, ctx), flint_printf("\n");
flint_printf("c = "), padic_mat_print_pretty(c, ctx), flint_printf("\n");
flint_printf("d = "), padic_mat_print_pretty(d, ctx), flint_printf("\n");
abort();
}
padic_mat_clear(a);
padic_mat_clear(b);
padic_mat_clear(c);
padic_mat_clear(d);
fmpz_clear(p);
padic_ctx_clear(ctx);
}
/* Check a - 0 == a */
for (i = 0; i < 10000; i++)
{
padic_mat_t a, b;
fmpz_init_set_ui(p, n_randtest_prime(state, 0));
N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
+ PADIC_TEST_PREC_MIN;
padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
m = n_randint(state, 20);
n = n_randint(state, 20);
padic_mat_init2(a, m, n, N);
padic_mat_init2(b, m, n, N);
padic_mat_randtest(a, state, ctx);
padic_mat_sub(b, a, b, ctx);
result = (padic_mat_equal(a, b) && padic_mat_is_reduced(a, ctx));
if (!result)
{
flint_printf("FAIL:\n\n");
flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
flint_printf("b = "), padic_mat_print(b, ctx), flint_printf("\n");
abort();
}
padic_mat_clear(a);
padic_mat_clear(b);
fmpz_clear(p);
padic_ctx_clear(ctx);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return EXIT_SUCCESS;
}