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