pqc/external/flint-2.4.3/fq_zech/test/t-neg.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
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) 2013 Mike Hansen
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "fq_zech.h"
#include "ulong_extras.h"
#include "long_extras.h"
int
main(void)
{
int i, j, result;
fq_zech_ctx_t ctx;
FLINT_TEST_INIT(state);
flint_printf("neg... ");
fflush(stdout);
for (j = 0; j < 10; j++)
{
fq_zech_ctx_randtest(ctx, state);
/* Check aliasing: a = -a */
for (i = 0; i < 200; i++)
{
fq_zech_t a, b, c;
fq_zech_init(a, ctx);
fq_zech_init(b, ctx);
fq_zech_init(c, ctx);
fq_zech_randtest(a, state, ctx);
fq_zech_set(b, a, ctx);
fq_zech_neg(c, b, ctx);
fq_zech_neg(b, b, ctx);
result = (fq_zech_equal(b, c, ctx));
if (!result)
{
flint_printf("FAIL a = -a:\n\n");
fq_zech_ctx_print(ctx);
flint_printf("\n");
flint_printf("a = "), fq_zech_print_pretty(a, ctx), flint_printf("\n");
flint_printf("b = "), fq_zech_print_pretty(b, ctx), flint_printf("\n");
flint_printf("c = "), fq_zech_print_pretty(c, ctx), flint_printf("\n");
abort();
}
fq_zech_clear(a, ctx);
fq_zech_clear(b, ctx);
fq_zech_clear(c, ctx);
}
/* Check a - b == a + (-b) */
for (i = 0; i < 2000; i++)
{
fq_zech_t a, b, c1, c2;
fq_zech_init(a, ctx);
fq_zech_init(b, ctx);
fq_zech_init(c1, ctx);
fq_zech_init(c2, ctx);
fq_zech_randtest(a, state, ctx);
fq_zech_randtest(b, state, ctx);
fq_zech_sub(c1, a, b, ctx);
fq_zech_neg(c2, b, ctx);
fq_zech_add(c2, a, c2, ctx);
result = (fq_zech_equal(c1, c2, ctx));
if (!result)
{
flint_printf("FAIL a - b == a + (-b):\n\n");
fq_zech_ctx_print(ctx);
flint_printf("\n");
flint_printf("a = "), fq_zech_print_pretty(a, ctx), flint_printf("\n");
flint_printf("b = "), fq_zech_print_pretty(b, ctx), flint_printf("\n");
flint_printf("c1 = "), fq_zech_print_pretty(c1, ctx), flint_printf("\n");
flint_printf("c2 = "), fq_zech_print_pretty(c2, ctx), flint_printf("\n");
abort();
}
fq_zech_clear(a, ctx);
fq_zech_clear(b, ctx);
fq_zech_clear(c1, ctx);
fq_zech_clear(c2, ctx);
}
fq_zech_ctx_clear(ctx);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return EXIT_SUCCESS;
}