mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
101 lines
2.8 KiB
C
101 lines
2.8 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) 2013 Fredrik Johansson
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******************************************************************************/
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#include "zeta.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("const_glaisher....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 250; iter++)
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{
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fmprb_t r, s, t;
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fmpz_t v;
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long accuracy, prec;
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prec = 2 + n_randint(state, 2000);
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fmprb_init(r);
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fmprb_init(s);
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fmprb_init(t);
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fmpz_init(v);
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fmprb_const_glaisher(r, prec);
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fmprb_const_glaisher(s, prec + 100);
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if (!fmprb_overlaps(r, s))
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{
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printf("FAIL: containment\n\n");
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printf("prec = %ld\n", prec);
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printf("r = "); fmprb_printd(r, prec / 3.33); printf("\n\n");
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abort();
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}
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accuracy = fmprb_rel_accuracy_bits(r);
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if (accuracy < prec - 4)
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{
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printf("FAIL: poor accuracy\n\n");
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printf("prec = %ld\n", prec);
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printf("r = "); fmprb_printd(r, prec / 3.33); printf("\n\n");
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abort();
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}
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if (n_randint(state, 30) == 0)
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{
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flint_cleanup();
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}
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fmpz_set_str(v, "128242712910062263687534256886979172776768892732500", 10);
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fmprb_set_fmpz(t, v);
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fmpr_one(fmprb_radref(t));
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fmpz_ui_pow_ui(v, 10, 50);
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fmprb_div_fmpz(t, t, v, 170);
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if (!fmprb_overlaps(r, t))
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{
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printf("FAIL: reference value\n\n");
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printf("prec = %ld\n", prec);
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printf("r = "); fmprb_printd(r, prec / 3.33); printf("\n\n");
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abort();
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}
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fmprb_clear(r);
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fmprb_clear(s);
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fmprb_clear(t);
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fmpz_clear(v);
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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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