89 lines
2.4 KiB
C
89 lines
2.4 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 Fredrik Johansson
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "fmpz.h"
|
|
#include "fmpz_poly.h"
|
|
#include "ulong_extras.h"
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int i, result;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("interpolate_fmpz_vec....");
|
|
fflush(stdout);
|
|
|
|
|
|
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpz_poly_t P, Q;
|
|
fmpz *x, *y;
|
|
slong j, n, npoints, bits;
|
|
|
|
npoints = n_randint(state, 50);
|
|
n = n_randint(state, npoints + 1);
|
|
bits = n_randint(state, 100);
|
|
|
|
x = _fmpz_vec_init(npoints);
|
|
y = _fmpz_vec_init(npoints);
|
|
|
|
fmpz_poly_init(P);
|
|
fmpz_poly_init(Q);
|
|
|
|
fmpz_poly_randtest(P, state, n, bits);
|
|
|
|
for (j = 0; j < npoints; j++)
|
|
fmpz_set_si(x + j, -npoints/2 + j);
|
|
|
|
fmpz_poly_evaluate_fmpz_vec(y, P, x, npoints);
|
|
fmpz_poly_interpolate_fmpz_vec(Q, x, y, npoints);
|
|
|
|
result = (fmpz_poly_equal(P, Q));
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL (P != Q):\n");
|
|
fmpz_poly_print(P), flint_printf("\n\n");
|
|
fmpz_poly_print(Q), flint_printf("\n\n");
|
|
abort();
|
|
}
|
|
|
|
fmpz_poly_clear(P);
|
|
fmpz_poly_clear(Q);
|
|
_fmpz_vec_clear(x, npoints);
|
|
_fmpz_vec_clear(y, npoints);
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|