mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
116 lines
3.6 KiB
C
116 lines
3.6 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 "acb.h"
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int main()
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{
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slong iter;
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flint_rand_t state;
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flint_printf("rel_accuracy_bits....");
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fflush(stdout);
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flint_randinit(state);
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/* test aliasing of c and a */
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for (iter = 0; iter < 10000; iter++)
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{
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arb_t x;
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acb_t z;
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slong a1, a2;
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arb_init(x);
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acb_init(z);
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arb_randtest_special(x, state, 1 + n_randint(state, 200), 1 + n_randint(state, 200));
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acb_set_arb(z, x);
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a1 = arb_rel_accuracy_bits(x);
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a2 = acb_rel_accuracy_bits(z);
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if (a1 != a2)
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{
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flint_printf("FAIL: acb != arb\n\n");
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flint_printf("x = "); arb_print(x); flint_printf("\n\n");
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flint_printf("z = "); acb_print(z); flint_printf("\n\n");
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flint_printf("a1 = %wd, a2 = %wd\n\n", a1, a2);
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abort();
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}
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acb_randtest_special(z, state, 1 + n_randint(state, 200), 1 + n_randint(state, 200));
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a1 = acb_rel_accuracy_bits(z);
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if (n_randint(state, 2))
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arf_swap(arb_midref(acb_realref(z)), arb_midref(acb_imagref(z)));
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if (n_randint(state, 2))
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mag_swap(arb_radref(acb_realref(z)), arb_radref(acb_imagref(z)));
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a2 = acb_rel_accuracy_bits(z);
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if (a1 != a2)
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{
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flint_printf("FAIL: swapping\n\n");
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flint_printf("z = "); acb_print(z); flint_printf("\n\n");
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flint_printf("a1 = %wd, a2 = %wd\n\n", a1, a2);
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abort();
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}
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acb_randtest_special(z, state, 1 + n_randint(state, 200), 1 + n_randint(state, 200));
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if (arf_cmpabs(arb_midref(acb_realref(z)), arb_midref(acb_imagref(z))) >= 0)
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arf_set(arb_midref(x), arb_midref(acb_realref(z)));
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else
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arf_set(arb_midref(x), arb_midref(acb_imagref(z)));
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if (mag_cmp(arb_radref(acb_realref(z)), arb_radref(acb_imagref(z))) >= 0)
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mag_set(arb_radref(x), arb_radref(acb_realref(z)));
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else
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mag_set(arb_radref(x), arb_radref(acb_imagref(z)));
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a1 = acb_rel_accuracy_bits(z);
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a2 = arb_rel_accuracy_bits(x);
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if (a1 != a2)
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{
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flint_printf("FAIL: acb != arb (2)\n\n");
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flint_printf("x = "); arb_print(x); flint_printf("\n\n");
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flint_printf("z = "); acb_print(z); flint_printf("\n\n");
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flint_printf("a1 = %wd, a2 = %wd\n\n", a1, a2);
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abort();
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}
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arb_clear(x);
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acb_clear(z);
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}
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flint_randclear(state);
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flint_cleanup();
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flint_printf("PASS\n");
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return EXIT_SUCCESS;
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}
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