mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
100 lines
2.9 KiB
C
100 lines
2.9 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) 2012 Fredrik Johansson
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******************************************************************************/
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#include "fmprb.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("overlaps....");
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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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fmprb_t a, b;
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fmpq_t am, ar, bm, br, t, u;
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int c1, c2;
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fmprb_init(a);
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fmprb_init(b);
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fmpq_init(am);
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fmpq_init(ar);
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fmpq_init(bm);
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fmpq_init(br);
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fmpq_init(t);
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fmpq_init(u);
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fmprb_randtest(a, state, 1 + n_randint(state, 500), 14);
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fmprb_randtest(b, state, 1 + n_randint(state, 500), 14);
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fmpr_get_fmpq(am, fmprb_midref(a));
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fmpr_get_fmpq(ar, fmprb_radref(a));
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fmpr_get_fmpq(bm, fmprb_midref(b));
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fmpr_get_fmpq(br, fmprb_radref(b));
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fmpq_sub(t, am, bm);
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fmpz_abs(fmpq_numref(t), fmpq_numref(t));
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fmpq_add(u, ar, br);
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c1 = fmprb_overlaps(a, b);
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c2 = (fmpq_cmp(t, u) <= 0);
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if (c1 != c2)
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{
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printf("FAIL:\n\n");
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printf("a = "); fmprb_print(a); printf("\n\n");
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printf("b = "); fmprb_print(b); printf("\n\n");
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printf("am = "); fmpq_print(am); printf("\n\n");
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printf("ar = "); fmpq_print(ar); printf("\n\n");
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printf("bm = "); fmpq_print(bm); printf("\n\n");
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printf("br = "); fmpq_print(br); printf("\n\n");
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printf("t = "); fmpq_print(t); printf("\n\n");
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printf("u = "); fmpq_print(u); printf("\n\n");
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printf("c1 = %d, c2 = %d\n\n", c1, c2);
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abort();
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}
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fmprb_clear(a);
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fmprb_clear(b);
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fmpq_clear(am);
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fmpq_clear(ar);
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fmpq_clear(bm);
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fmpq_clear(br);
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fmpq_clear(t);
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fmpq_clear(u);
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}
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flint_randclear(state);
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_fmpz_cleanup();
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printf("PASS\n");
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return EXIT_SUCCESS;
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}
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