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/*
Copyright (C) 2011, 2024 Fredrik Johansson
Copyright (C) 2014 Abhinav Baid
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 "fmpz.h"
#include "fmpz_vec.h"
#include "double_extras.h"
slong
_fmpz_vec_get_d_vec_2exp(double *appv, const fmpz * vec, slong len)
{
slong *exp, i, maxexp = 0L;
TMP_INIT;
TMP_START;
exp = TMP_ALLOC(len * sizeof(slong));
for (i = 0; i < len; i++)
{
appv[i] = fmpz_get_d_2exp(&exp[i], vec + i);
if (exp[i] > maxexp)
maxexp = exp[i];
}
for (i = 0; i < len; i++)
appv[i] = d_mul_2exp(appv[i], exp[i] - maxexp);
TMP_END;
return maxexp;
}