mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -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) 2013 Fredrik Johansson
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******************************************************************************/
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#include "fmpr.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("abs_bound_lt_2exp_si....");
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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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fmpr_t x;
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fmpz_t b;
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slong c;
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fmpr_init(x);
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fmpz_init(b);
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fmpr_randtest_special(x, state, 2 + n_randint(state, 1000), 100);
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fmpr_abs_bound_lt_2exp_fmpz(b, x);
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c = fmpr_abs_bound_lt_2exp_si(x);
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if (c == -FMPR_PREC_EXACT)
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{
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if (!(fmpr_is_zero(x) || fmpz_cmp_si(b, -FMPR_PREC_EXACT) <= 0))
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{
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flint_printf("FAIL (small/zero)\n\n");
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abort();
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}
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}
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else if (c == FMPR_PREC_EXACT)
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{
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if (!(fmpr_is_inf(x) || fmpr_is_nan(x) ||
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fmpz_cmp_si(b, FMPR_PREC_EXACT) >= 0))
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{
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flint_printf("FAIL (large/inf/nan)\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 (fmpz_cmp_si(b, c) != 0)
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{
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flint_printf("FAIL (normal)\n\n");
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flint_printf("x = "); fmpr_print(x); flint_printf("\n\n");
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flint_printf("b = "); fmpz_print(b); flint_printf("\n\n");
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flint_printf("c = %wd\n\n", c);
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abort();
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}
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}
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fmpr_clear(x);
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fmpz_clear(b);
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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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