97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
|
/*=============================================================================
|
||
|
|
|
||
|
|
This file is part of FLINT.
|
||
|
|
|
||
|
|
FLINT is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
FLINT is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with FLINT; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
|
||
|
|
=============================================================================*/
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Copyright (C) 2011 Fredrik Johansson
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <gmp.h>
|
||
|
|
#include <mpfr.h>
|
||
|
|
#include "flint.h"
|
||
|
|
#include "fmpz.h"
|
||
|
|
#include "fmpq.h"
|
||
|
|
#include "fmpz_vec.h"
|
||
|
|
#include "ulong_extras.h"
|
||
|
|
|
||
|
|
int
|
||
|
|
main(void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
FLINT_TEST_INIT(state);
|
||
|
|
|
||
|
|
flint_printf("get_mpfr....");
|
||
|
|
fflush(stdout);
|
||
|
|
|
||
|
|
for (i = 0; i < 10000; i++)
|
||
|
|
{
|
||
|
|
fmpq_t x; mpq_t y;
|
||
|
|
mpfr_t f1, f2;
|
||
|
|
int r1, r2;
|
||
|
|
mpfr_rnd_t rnd;
|
||
|
|
|
||
|
|
fmpq_init(x);
|
||
|
|
mpq_init(y);
|
||
|
|
|
||
|
|
mpfr_init2(f1, 2 + n_randint(state, 1000));
|
||
|
|
mpfr_init2(f2, mpfr_get_prec(f1));
|
||
|
|
|
||
|
|
fmpq_randtest(x, state, 2 + n_randint(state, 1000));
|
||
|
|
fmpq_get_mpq(y, x);
|
||
|
|
|
||
|
|
switch (n_randint(state, 5))
|
||
|
|
{
|
||
|
|
case 0: rnd = MPFR_RNDZ; break;
|
||
|
|
case 1: rnd = MPFR_RNDD; break;
|
||
|
|
case 2: rnd = MPFR_RNDU; break;
|
||
|
|
case 3: rnd = MPFR_RNDA; break;
|
||
|
|
default: rnd = MPFR_RNDN; break;
|
||
|
|
}
|
||
|
|
|
||
|
|
r1 = fmpq_get_mpfr(f1, x, rnd);
|
||
|
|
r2 = mpfr_set_q(f2, y, rnd);
|
||
|
|
|
||
|
|
if (r1 != r2 || !mpfr_equal_p(f1, f2))
|
||
|
|
{
|
||
|
|
flint_printf("FAIL\n");
|
||
|
|
fmpq_print(x); flint_printf("\n");
|
||
|
|
flint_printf("r1 = %d, r2 = %d\n", r1, r2);
|
||
|
|
flint_printf("\nf1: \n");
|
||
|
|
mpfr_out_str(stdout, 10, 0, f1, MPFR_RNDN);
|
||
|
|
flint_printf("\n\nf1: \n");
|
||
|
|
mpfr_out_str(stdout, 10, 0, f2, MPFR_RNDN);
|
||
|
|
flint_printf("\n\n");
|
||
|
|
abort();
|
||
|
|
}
|
||
|
|
|
||
|
|
fmpq_clear(x);
|
||
|
|
mpq_clear(y);
|
||
|
|
mpfr_clear(f1);
|
||
|
|
mpfr_clear(f2);
|
||
|
|
}
|
||
|
|
|
||
|
|
FLINT_TEST_CLEANUP(state);
|
||
|
|
|
||
|
|
flint_printf("PASS\n");
|
||
|
|
return 0;
|
||
|
|
}
|