98 lines
2.5 KiB
C
98 lines
2.5 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 <math.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "ulong_extras.h"
|
|
#include "fmpz.h"
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int i, result;
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("get_d....");
|
|
fflush(stdout);
|
|
|
|
|
|
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpz_t x, y;
|
|
mpz_t z;
|
|
double a, b;
|
|
|
|
fmpz_init(x);
|
|
fmpz_init(y);
|
|
mpz_init(z);
|
|
|
|
fmpz_randtest(x, state, 200);
|
|
fmpz_get_mpz(z, x);
|
|
|
|
a = fmpz_get_d(x);
|
|
b = mpz_get_d(z);
|
|
|
|
result = (a == b);
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
flint_printf("x = "), fmpz_print(x), flint_printf("\n");
|
|
flint_printf("a = %f\n", a);
|
|
flint_printf("b = %f\n", b);
|
|
abort();
|
|
}
|
|
|
|
a = a * (n_randtest(state) / (double) n_randtest_not_zero(state));
|
|
|
|
fmpz_set_d(x, a);
|
|
mpz_set_d(z, a);
|
|
|
|
fmpz_set_mpz(y, z);
|
|
result = fmpz_equal(x, y);
|
|
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL:\n");
|
|
flint_printf("x = "), fmpz_print(x), flint_printf("\n");
|
|
flint_printf("y = "), fmpz_print(y), flint_printf("\n");
|
|
flint_printf("a = %f\n", a);
|
|
abort();
|
|
}
|
|
|
|
fmpz_clear(x);
|
|
fmpz_clear(y);
|
|
mpz_clear(z);
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|