131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
/*=============================================================================
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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) 2009, 2011 William Hart
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Copyright (C) 2010 Sebastian Pancratz
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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 "ulong_extras.h"
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#include "fmpz.h"
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int
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main(void)
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{
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int i, result;
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FLINT_TEST_INIT(state);
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flint_printf("root....");
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fflush(stdout);
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/* Comparison with mpz routines */
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for (i = 0; i < 10000 * flint_test_multiplier(); i++)
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{
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fmpz_t f, g;
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mpz_t mf, mf2, mg;
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slong n;
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fmpz_init(f);
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fmpz_init(g);
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mpz_init(mf);
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mpz_init(mf2);
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mpz_init(mg);
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n = n_randint(state, 20) + 1;
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fmpz_randtest(g, state, 200);
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if ((n & 1) == 0)
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fmpz_abs(g, g);
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fmpz_get_mpz(mg, g);
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fmpz_root(f, g, n);
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mpz_root(mf, mg, n);
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fmpz_get_mpz(mf2, f);
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result = (mpz_cmp(mf2, mf) == 0);
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if (!result)
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{
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flint_printf("FAIL:\n");
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gmp_printf("mf = %Zd, mf2 = %Zd, mg = %Zd, root = %wd\n", mf, mf2, mg, n);
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abort();
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}
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fmpz_clear(f);
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fmpz_clear(g);
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mpz_clear(mf);
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mpz_clear(mf2);
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mpz_clear(mg);
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}
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/* Check aliasing of f and g */
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for (i = 0; i < 10000 * flint_test_multiplier(); i++)
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{
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fmpz_t f;
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mpz_t mf, mf2;
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slong n;
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fmpz_init(f);
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mpz_init(mf);
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mpz_init(mf2);
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n = n_randint(state, 20) + 1;
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fmpz_randtest(f, state, 200);
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if ((n & 1) == 0)
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fmpz_abs(f, f);
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fmpz_get_mpz(mf, f);
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fmpz_root(f, f, n);
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mpz_root(mf, mf, n);
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fmpz_get_mpz(mf2, f);
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result = (mpz_cmp(mf, mf2) == 0);
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if (!result)
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{
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flint_printf("FAIL:\n");
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gmp_printf("mf = %Zd, mf2 = %Zd, root = %wd\n", mf, mf2, n);
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abort();
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}
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fmpz_clear(f);
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mpz_clear(mf);
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mpz_clear(mf2);
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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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