97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/*=============================================================================
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This file is part of FLINT.
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FLINT 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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FLINT 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 FLINT; 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) 2011 Fredrik Johansson
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******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <gmp.h>
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#include <mpfr.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "fmpq.h"
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#include "fmpz_vec.h"
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#include "ulong_extras.h"
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int
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main(void)
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{
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int i;
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FLINT_TEST_INIT(state);
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flint_printf("get_mpfr....");
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fflush(stdout);
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for (i = 0; i < 10000; i++)
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{
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fmpq_t x; mpq_t y;
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mpfr_t f1, f2;
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int r1, r2;
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mpfr_rnd_t rnd;
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fmpq_init(x);
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mpq_init(y);
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mpfr_init2(f1, 2 + n_randint(state, 1000));
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mpfr_init2(f2, mpfr_get_prec(f1));
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fmpq_randtest(x, state, 2 + n_randint(state, 1000));
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fmpq_get_mpq(y, x);
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switch (n_randint(state, 5))
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{
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case 0: rnd = MPFR_RNDZ; break;
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case 1: rnd = MPFR_RNDD; break;
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case 2: rnd = MPFR_RNDU; break;
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case 3: rnd = MPFR_RNDA; break;
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default: rnd = MPFR_RNDN; break;
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}
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r1 = fmpq_get_mpfr(f1, x, rnd);
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r2 = mpfr_set_q(f2, y, rnd);
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if (r1 != r2 || !mpfr_equal_p(f1, f2))
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{
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flint_printf("FAIL\n");
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fmpq_print(x); flint_printf("\n");
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flint_printf("r1 = %d, r2 = %d\n", r1, r2);
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flint_printf("\nf1: \n");
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mpfr_out_str(stdout, 10, 0, f1, MPFR_RNDN);
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flint_printf("\n\nf1: \n");
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mpfr_out_str(stdout, 10, 0, f2, MPFR_RNDN);
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flint_printf("\n\n");
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abort();
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}
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fmpq_clear(x);
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mpq_clear(y);
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mpfr_clear(f1);
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mpfr_clear(f2);
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}
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return 0;
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}
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