mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*=============================================================================
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This file is part of ARB.
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ARB 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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ARB 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 ARB; 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) 2015 Fredrik Johansson
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******************************************************************************/
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#include "arb_poly.h"
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int main()
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{
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long iter;
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flint_rand_t state;
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printf("get_unique_fmpz_poly....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 10000; iter++)
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{
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long prec, c;
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fmpz_poly_t A, B;
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arb_poly_t a, b;
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fmpz_poly_init(A);
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fmpz_poly_init(B);
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arb_poly_init(a);
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arb_poly_init(b);
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fmpz_poly_randtest(A, state, 1 + n_randint(state, 10), 1 + n_randint(state, 1000));
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fmpz_poly_randtest(B, state, 1 + n_randint(state, 10), 1 + n_randint(state, 1000));
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c = 1 + n_randint(state, 1000);
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prec = 2 + n_randint(state, 100);
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for ( ; ; )
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{
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arb_poly_set_fmpz_poly(a, A, prec);
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arb_poly_set_fmpz_poly(b, B, prec);
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arb_poly_scalar_mul_2exp_si(b, b, -c);
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arb_poly_add(a, a, b, prec);
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arb_poly_sub(a, a, b, prec);
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if (arb_poly_get_unique_fmpz_poly(B, a))
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{
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if (!fmpz_poly_equal(A, B))
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{
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printf("FAIL\n\n");
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printf("A = "); fmpz_poly_print(A); printf("\n\n");
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printf("B = "); fmpz_poly_print(B); printf("\n\n");
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printf("a = "); arb_poly_printd(a, 15); printf("\n\n");
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abort();
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}
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break;
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}
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else
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{
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prec *= 2;
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}
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}
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fmpz_poly_clear(A);
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fmpz_poly_clear(B);
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arb_poly_clear(a);
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arb_poly_clear(b);
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}
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flint_randclear(state);
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flint_cleanup();
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printf("PASS\n");
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return EXIT_SUCCESS;
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}
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