123 lines
3.3 KiB
C
123 lines
3.3 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) 2013 Mike Hansen
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "fmpz.h"
|
|
#include "fq_nmod.h"
|
|
#include "long_extras.h"
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int i, result;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("mul_si....");
|
|
fflush(stdout);
|
|
|
|
/* Check aliasing of a, b */
|
|
for (i = 0; i < 1000; i++)
|
|
{
|
|
fq_nmod_ctx_t ctx;
|
|
slong x;
|
|
fq_nmod_t a, b;
|
|
|
|
fq_nmod_ctx_randtest(ctx, state);
|
|
|
|
fq_nmod_init(a, ctx);
|
|
fq_nmod_init(b, ctx);
|
|
|
|
fq_nmod_randtest(a, state, ctx);
|
|
x = z_randtest(state);
|
|
fq_nmod_mul_si(b, a, x, ctx);
|
|
fq_nmod_mul_si(a, a, x, ctx);
|
|
|
|
result = (fq_nmod_equal(a, b, ctx));
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n\n");
|
|
flint_printf("a = "), fq_nmod_print_pretty(a, ctx), flint_printf("\n");
|
|
flint_printf("b = "), fq_nmod_print_pretty(b, ctx), flint_printf("\n");
|
|
flint_printf("x = %wd\n",x);
|
|
abort();
|
|
}
|
|
|
|
fq_nmod_clear(a, ctx);
|
|
fq_nmod_clear(b, ctx);
|
|
|
|
fq_nmod_ctx_clear(ctx);
|
|
}
|
|
|
|
/* compare with direct multiplication */
|
|
for (i = 0; i < 1000; i++)
|
|
{
|
|
fq_nmod_ctx_t ctx;
|
|
slong x;
|
|
fq_nmod_t a, c;
|
|
nmod_poly_t b;
|
|
|
|
fq_nmod_ctx_randtest(ctx, state);
|
|
|
|
fq_nmod_init(a, ctx);
|
|
fq_nmod_init(c, ctx);
|
|
nmod_poly_init(b, ctx->mod.n);
|
|
|
|
fq_nmod_randtest(a, state, ctx);
|
|
x = z_randtest(state);
|
|
fq_nmod_mul_si(c, a, x, ctx);
|
|
if (x < 0)
|
|
{
|
|
nmod_poly_scalar_mul_nmod(b, a, -x);
|
|
nmod_poly_neg(b, b);
|
|
}
|
|
else
|
|
{
|
|
nmod_poly_scalar_mul_nmod(b, a, x);
|
|
}
|
|
|
|
result = (fq_nmod_equal(c, b, ctx));
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n\n");
|
|
flint_printf("a = "), fq_nmod_print_pretty(a, ctx), flint_printf("\n");
|
|
flint_printf("b = "), fq_nmod_print_pretty(b, ctx), flint_printf("\n");
|
|
flint_printf("x = %wd\n",x);
|
|
abort();
|
|
}
|
|
|
|
fq_nmod_clear(a, ctx);
|
|
fq_nmod_clear(c, ctx);
|
|
nmod_poly_clear(b);
|
|
fq_nmod_ctx_clear(ctx);
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|