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/*
Copyright (C) 2011, 2012 Sebastian Pancratz
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 "padic.h"
void padic_get_fmpz(fmpz_t rop, const padic_t op, const padic_ctx_t ctx)
{
if (padic_val(op) < 0)
{
flint_throw(FLINT_ERROR, "Exception (padic_get_fmpz). Negative valuation.\n");
}
if (padic_is_zero(op))
{
fmpz_zero(rop);
}
else if (padic_val(op) == 0)
{
fmpz_set(rop, padic_unit(op));
}
else
{
fmpz_t pow;
int alloc;
alloc = _padic_ctx_pow_ui(pow, padic_val(op), ctx);
fmpz_mul(rop, padic_unit(op), pow);
if (alloc)
fmpz_clear(pow);
}
}