48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*=============================================================================
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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 Fredrik Johansson
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******************************************************************************/
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#include "flint.h"
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#include "nmod_poly.h"
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void
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_nmod_poly_taylor_shift(mp_ptr poly, mp_limb_t c, slong len, nmod_t mod)
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{
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if (len < 100 || len > mod.n)
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_nmod_poly_taylor_shift_horner(poly, c, len, mod);
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else if ((c == 1 || c == mod.n - 1) && len < 1000)
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_nmod_poly_taylor_shift_horner(poly, c, len, mod);
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else
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_nmod_poly_taylor_shift_convolution(poly, c, len, mod);
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}
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void
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nmod_poly_taylor_shift(nmod_poly_t g, const nmod_poly_t f, mp_limb_t c)
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{
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if (f != g)
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nmod_poly_set(g, f);
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_nmod_poly_taylor_shift(g->coeffs, c, g->length, g->mod);
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}
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