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/*
Copyright (C) 2010 Fredrik Johansson
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 "gmpcompat.h"
#include "mpn_extras.h"
TEST_FUNCTION_START(flint_mpn_remove_2exp, state)
{
int zero, nonzero;
flint_bitcnt_t check;
mpz_t a;
mpz_t b;
mpz_init(a);
mpz_init(b);
for (zero=0; zero<300; zero++)
{
for (nonzero=0; nonzero<300; nonzero++)
{
flint_mpz_set_ui(a, 1);
mpz_setbit(a, nonzero);
mpz_set(b, a);
mpz_mul_2exp(a, a, zero);
a->_mp_size = flint_mpn_remove_2exp(a->_mp_d, a->_mp_size, &check);
if (check != zero || mpz_cmp(a,b))
TEST_FUNCTION_FAIL("%d %d \n", zero, nonzero);
}
}
mpz_clear(a);
mpz_clear(b);
TEST_FUNCTION_END(state);
}