64 lines
1.8 KiB
C
64 lines
1.8 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) 2011 Sebastian Pancratz
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******************************************************************************/
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#include "padic_poly.h"
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int padic_poly_get_fmpz_poly(fmpz_poly_t rop, const padic_poly_t op,
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const padic_ctx_t ctx)
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{
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const slong len = op->length;
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if (op->val < 0)
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{
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return 0;
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}
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if (padic_poly_is_zero(op))
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{
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fmpz_poly_zero(rop);
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return 1;
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}
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fmpz_poly_fit_length(rop, len);
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_fmpz_poly_set_length(rop, len);
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if (op->val == 0)
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{
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_fmpz_vec_set(rop->coeffs, op->coeffs, len);
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}
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else /* op->val > 0 */
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{
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fmpz_t pow;
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fmpz_init(pow);
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fmpz_pow_ui(pow, ctx->p, op->val);
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_fmpz_vec_scalar_mul_fmpz(rop->coeffs, op->coeffs, len, pow);
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fmpz_clear(pow);
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}
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return 1;
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}
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