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/*
Copyright (C) 2012 Fredrik Johansson
This file is part of Arb.
Arb is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include "fmpr.h"
int main()
{
slong iter;
flint_rand_t state;
flint_printf("set_fmpq....");
fflush(stdout);
flint_randinit(state);
/* test exact roundtrip R -> Q -> R */
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
slong bits, res;
fmpr_t x, z;
fmpq_t y;
bits = 2 + n_randint(state, 200);
fmpr_init(x);
fmpr_init(z);
fmpq_init(y);
fmpr_randtest(x, state, bits, 10);
fmpr_randtest(z, state, bits, 10);
fmpr_get_fmpq(y, x);
res = fmpr_set_fmpq(z, y, bits, FMPR_RND_DOWN);
if (!fmpr_equal(x, z) || !fmpr_check_ulp(z, res, bits))
{
flint_printf("FAIL\n\n");
flint_printf("bits: %wd\n", bits);
flint_printf("x = "); fmpr_print(x); flint_printf("\n\n");
flint_printf("y = "); fmpq_print(y); flint_printf("\n\n");
flint_printf("z = "); fmpr_print(z); flint_printf("\n\n");
flint_abort();
}
fmpr_clear(x);
fmpr_clear(z);
fmpq_clear(y);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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