mirror of
https://github.com/vale981/arb
synced 2025-03-06 01:41:39 -05:00
89 lines
2.6 KiB
C
89 lines
2.6 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) 2014 Fredrik Johansson
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******************************************************************************/
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#include "flint/double_extras.h"
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#include "mag.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("get_d....");
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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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mag_t x;
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fmpr_t a, b;
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double y;
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mag_init(x);
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fmpr_init(a);
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fmpr_init(b);
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mag_randtest_special(x, state, 1 + n_randint(state, 100));
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y = mag_get_d(x);
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fmpr_set_d(a, y);
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mag_get_fmpr(b, x);
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if (mag_cmp_2exp_si(x, 1000) < 0 && mag_cmp_2exp_si(x, -1000) > 0)
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{
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if (!fmpr_equal(a, b))
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{
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flint_printf("FAIL (equality)\n\n");
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flint_printf("x = "); mag_print(x); flint_printf("\n\n");
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flint_printf("a = "); fmpr_print(a); flint_printf("\n\n");
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flint_printf("b = "); fmpr_print(b); flint_printf("\n\n");
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abort();
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}
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}
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else
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{
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if (fmpr_cmp(a, b) < 0)
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{
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flint_printf("FAIL (bound)\n\n");
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flint_printf("x = "); mag_print(x); flint_printf("\n\n");
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flint_printf("a = "); fmpr_print(a); flint_printf("\n\n");
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flint_printf("b = "); fmpr_print(b); flint_printf("\n\n");
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abort();
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}
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}
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fmpr_clear(a);
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fmpr_clear(b);
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mag_clear(x);
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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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