mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
124 lines
3.8 KiB
C
124 lines
3.8 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) 2012 Fredrik Johansson
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******************************************************************************/
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#include "fmprb.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....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 100000; iter++)
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{
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fmprb_t x, z;
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fmpz_t y, a, b, exp;
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int unique, unique2;
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fmprb_init(x);
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fmprb_init(z);
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fmpz_init(y);
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fmpz_init(a);
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fmpz_init(b);
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fmpz_init(exp);
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fmprb_randtest(x, state, 2000, 10);
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unique = fmprb_get_unique_fmpz(y, x);
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fmprb_get_interval_fmpz_2exp(a, b, exp, x);
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if (fmpz_sgn(exp) >= 0)
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{
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fmpz_mul_2exp(a, a, fmpz_get_si(exp));
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fmpz_mul_2exp(b, b, fmpz_get_si(exp));
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}
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else
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{
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fmpz_cdiv_q_2exp(a, a, -fmpz_get_si(exp));
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fmpz_fdiv_q_2exp(b, b, -fmpz_get_si(exp));
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}
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unique2 = fmpz_equal(a, b);
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if ((unique != unique2) || (unique && !fmpz_equal(y, a)))
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{
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printf("FAIL:\n\n");
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printf("x = "); fmprb_print(x); printf("\n\n");
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printf("unique = %d, unique2 = %d\n\n", unique, unique2);
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printf("y = "); fmpz_print(y); printf("\n\n");
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printf("a = "); fmpz_print(a); printf("\n\n");
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printf("b = "); fmpz_print(b); printf("\n\n");
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printf(" exp = "); fmpz_print(exp); printf("\n\n");
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abort();
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}
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if (unique)
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{
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fmprb_set_fmpz(z, y);
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fmprb_set_round(z, z, 2 + n_randint(state, 1000));
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if (!fmprb_overlaps(x, z))
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{
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printf("FAIL (overlap):\n\n");
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printf("x = "); fmprb_print(x); printf("\n\n");
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printf("y = "); fmpz_print(y); printf("\n\n");
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printf("z = "); fmprb_print(z); printf("\n\n");
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abort();
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}
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fmpz_add_ui(b, y, 1);
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if (fmprb_contains_fmpz(x, b))
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{
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printf("FAIL (contains a + 1):\n\n");
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printf("x = "); fmprb_print(x); printf("\n\n");
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printf("y = "); fmpz_print(y); printf("\n\n");
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abort();
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}
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fmpz_sub_ui(b, y, 1);
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if (fmprb_contains_fmpz(x, b))
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{
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printf("FAIL (contains a - 1):\n\n");
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printf("x = "); fmprb_print(x); printf("\n\n");
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printf("y = "); fmpz_print(y); printf("\n\n");
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abort();
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}
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}
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fmprb_clear(x);
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fmprb_clear(z);
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fmpz_clear(y);
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fmpz_clear(a);
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fmpz_clear(b);
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fmpz_clear(exp);
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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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