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/*
Copyright (C) 2013 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_round_uiui_2exp_fmpz....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000 * arb_test_multiplier(); iter++)
{
slong prec, ret1, ret2;
fmpz_t man, exp;
fmpr_t x, y;
mp_limb_t hi, lo;
fmpr_rnd_t rnd;
int negative;
fmpz_init(man);
fmpz_init(exp);
fmpr_init(x);
fmpr_init(y);
prec = 2 + n_randint(state, 1000);
if (n_randint(state, 10) == 0)
prec = FMPR_PREC_EXACT;
negative = n_randint(state, 2);
hi = n_randtest(state);
lo = n_randtest(state);
fmpz_randtest(exp, state, 1 + n_randint(state, 100));
if (negative)
fmpz_neg_uiui(man, hi, lo);
else
fmpz_set_uiui(man, hi, lo);
switch (n_randint(state, 4))
{
case 0: rnd = FMPR_RND_DOWN; break;
case 1: rnd = FMPR_RND_UP; break;
case 2: rnd = FMPR_RND_FLOOR; break;
default: rnd = FMPR_RND_CEIL; break;
}
ret1 = fmpr_set_round_uiui_2exp_fmpz(x, hi, lo, exp, negative, prec, rnd);
fmpr_set_fmpz_2exp(y, man, exp);
ret2 = fmpr_set_round(y, y, prec, rnd);
if (!fmpr_equal(x, y) || ret1 != ret2 ||
!fmpr_check_ulp(x, ret1, prec) || !fmpr_check_ulp(y, ret2, prec))
{
flint_printf("FAIL\n\n");
flint_printf("prec: %wd\n", prec);
flint_printf("hi = %wu, lo = %wu\n", hi, lo);
flint_printf("man = "); fmpz_print(man); flint_printf("\n\n");
flint_printf("exp = "); fmpz_print(exp); flint_printf("\n\n");
flint_printf("x = "); fmpr_print(x); flint_printf("\n\n");
flint_printf("y = "); fmpr_print(y); flint_printf("\n\n");
flint_printf("ret1 = %wd, ret2 = %wd\n\n", ret1, ret2);
flint_abort();
}
fmpz_clear(man);
fmpz_clear(exp);
fmpr_clear(x);
fmpr_clear(y);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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