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/*
Copyright (C) 2021 Daniel Schultz
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 "fmpz.h"
#include "fmpz_vec.h"
TEST_FUNCTION_START(fmpz_vec_sum_max_bits, state)
{
slong i, j;
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpz * a;
fmpz_t max, sum, t;
slong sum_bits, max_bits;
slong len = n_randint(state, 300);
a = _fmpz_vec_init(len);
fmpz_init(max);
fmpz_init(sum);
fmpz_init(t);
_fmpz_vec_randtest(a, state, len, 300);
_fmpz_vec_sum_max_bits(&sum_bits, &max_bits, a, len);
fmpz_zero(max);
fmpz_zero(sum);
for (j = 0; j < len; j++)
{
fmpz_abs(t, a + j);
fmpz_add(sum, sum, t);
if (fmpz_cmp(max, t) < 0)
fmpz_set(max, t);
}
if (sum_bits != fmpz_bits(sum))
{
flint_printf("FAIL: sum bits is wrong\n");
fflush(stdout);
flint_abort();
}
if (max_bits != fmpz_bits(max))
{
flint_printf("FAIL: max bits is wrong\n");
fflush(stdout);
flint_abort();
}
_fmpz_vec_clear(a, len);
fmpz_clear(max);
fmpz_clear(sum);
fmpz_clear(t);
}
TEST_FUNCTION_END(state);
}