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/*============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2012 Sebastian Pancratz
******************************************************************************/
#include "padic_poly.h"
void padic_poly_shift_left(padic_poly_t rop, const padic_poly_t op, slong n,
const padic_ctx_t ctx)
{
if (rop->N < op->N)
{
flint_printf("Exception (padic_poly_shift_left). rop->N < op->N.\n");
abort();
}
if (n == 0)
{
padic_poly_set(rop, op, ctx);
}
else if (op->length == 0)
{
padic_poly_zero(rop);
}
else
{
padic_poly_fit_length(rop, op->length + n);
_fmpz_poly_shift_left(rop->coeffs, op->coeffs, op->length, n);
rop->val = op->val;
_padic_poly_set_length(rop, op->length + n);
/* TODO: Reduce */
}
}
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