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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 "fmpq.h"
#include "padic.h"
void padic_set_fmpq(padic_t rop, const fmpq_t op, const padic_ctx_t ctx)
{
if (fmpq_is_zero(op))
{
padic_zero(rop);
}
else
{
fmpq_t t;
fmpq_init(t);
padic_val(rop) = fmpz_remove(fmpq_numref(t), fmpq_numref(op), ctx->p);
padic_val(rop) -= fmpz_remove(fmpq_denref(t), fmpq_denref(op), ctx->p);
if (padic_val(rop) >= padic_prec(rop))
{
padic_zero(rop);
}
else
{
_padic_inv(fmpq_denref(t),
fmpq_denref(t), ctx->p, padic_prec(rop) - padic_val(rop));
fmpz_mul(padic_unit(rop), fmpq_numref(t), fmpq_denref(t));
_padic_reduce(rop, ctx);
}
fmpq_clear(t);
}
}