mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
103 lines
3.1 KiB
C
103 lines
3.1 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) 2014 Fredrik Johansson
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******************************************************************************/
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#include "arf.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("set_round_uiui....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 1000000; iter++)
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{
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arf_t x, y;
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long prec, fix1, fix2;
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int ret1, ret2, sgnbit;
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mp_limb_t t[2];
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arf_rnd_t rnd;
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prec = 2 + n_randint(state, 1000);
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arf_init(x);
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arf_init(y);
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arf_randtest_special(x, state, 1 + n_randint(state, 200), 1 + n_randint(state, 100));
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arf_randtest_special(y, state, 1 + n_randint(state, 200), 1 + n_randint(state, 100));
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do {
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t[0] = n_randtest(state);
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t[1] = n_randtest(state);
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} while (t[0] == 0 && t[1] == 0);
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sgnbit = n_randint(state, 2);
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switch (n_randint(state, 4))
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{
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case 0: rnd = ARF_RND_DOWN; break;
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case 1: rnd = ARF_RND_UP; break;
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case 2: rnd = ARF_RND_FLOOR; break;
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default: rnd = ARF_RND_CEIL; break;
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}
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if (t[1] != 0)
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{
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ret1 = _arf_set_round_mpn(x, &fix1, t, 2, sgnbit, prec, rnd);
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fmpz_set_si(ARF_EXPREF(x), 2 * FLINT_BITS + fix1);
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}
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else
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{
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ret1 = _arf_set_round_mpn(x, &fix1, t, 1, sgnbit, prec, rnd);
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fmpz_set_si(ARF_EXPREF(x), FLINT_BITS + fix1);
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}
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ret2 = _arf_set_round_uiui(y, &fix2, t[1], t[0], sgnbit, prec, rnd);
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fmpz_set_si(ARF_EXPREF(y), 2 * FLINT_BITS + fix2);
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if (!arf_equal(x, y) || (ret1 != ret2))
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{
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printf("FAIL\n\n");
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printf("prec = %ld", prec); printf("\n\n");
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printf("hi = %lu, lo = %lu\n\n", t[1], t[0]);
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printf("x = "); arf_print(x); printf("\n\n");
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printf("y = "); arf_print(y); printf("\n\n");
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printf("ret1 = %d, ret2 = %d\n\n", ret1, ret2);
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abort();
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}
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arf_clear(x);
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arf_clear(y);
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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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