86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
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/*=============================================================================
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This file is part of FLINT.
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FLINT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FLINT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2012 Fredrik Johansson
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <gmp.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "fmpz_poly.h"
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#include "ulong_extras.h"
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int
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main(void)
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{
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int i;
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FLINT_TEST_INIT(state);
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flint_printf("newton_to_monomial....");
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fflush(stdout);
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for (i = 0; i < 1000 * flint_test_multiplier(); i++)
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{
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fmpz_poly_t f, g;
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fmpz * r;
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slong k, n;
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fmpz_poly_init(f);
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fmpz_poly_init(g);
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fmpz_poly_randtest(f, state, 1 + n_randint(state, 20),
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1 + n_randint(state, 200));
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n = fmpz_poly_length(f);
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r = _fmpz_vec_init(n);
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for (k = 0; k < n; k++)
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fmpz_randtest(r + k, state, n_randint(state, 200));
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fmpz_poly_set(g, f);
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_fmpz_poly_newton_to_monomial(g->coeffs, r, n);
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_fmpz_poly_monomial_to_newton(g->coeffs, r, n);
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if (!fmpz_poly_equal(f, g))
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{
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flint_printf("FAIL: roundtrip\n");
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fmpz_poly_print(f); flint_printf("\n");
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fmpz_poly_print(g); flint_printf("\n");
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abort();
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}
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fmpz_poly_clear(f);
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fmpz_poly_clear(g);
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_fmpz_vec_clear(r, n);
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}
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return 0;
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}
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