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/*
Copyright (C) 2009 William Hart
This file is part of FLINT.
FLINT 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 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "test_helpers.h"
#include "ulong_extras.h"
#include "fmpz.h"
TEST_FUNCTION_START(fmpz_neg_uiui, state)
{
int i, result;
for (i = 0; i < 10000 * flint_test_multiplier(); i++)
{
fmpz_t a, b;
ulong hi, lo;
hi = n_randtest(state);
lo = n_randtest(state);
fmpz_init(a);
fmpz_init(b);
fmpz_set_ui(a, hi);
fmpz_mul_2exp(a, a, FLINT_BITS);
fmpz_add_ui(a, a, lo);
fmpz_neg(a, a);
fmpz_neg_uiui(b, hi, lo);
result = fmpz_equal(a, b) && _fmpz_is_canonical(b);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("hi = %wu\n", hi);
flint_printf("lo = %wu\n", lo);
flint_printf("a = "); fmpz_print(a); flint_printf("\n");
flint_printf("b = "); fmpz_print(b); flint_printf("\n");
fflush(stdout);
flint_abort();
}
fmpz_clear(a);
fmpz_clear(b);
}
TEST_FUNCTION_END(state);
}