mirror of
https://github.com/vale981/arb
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53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*=============================================================================
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This file is part of ARB.
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ARB 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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ARB 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 ARB; 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) 2015 Fredrik Johansson
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******************************************************************************/
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#include "acb_poly.h"
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void
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acb_poly_add_si(acb_poly_t res, const acb_poly_t x, slong y, slong prec)
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{
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slong len = x->length;
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if (len == 0)
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{
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acb_poly_set_si(res, y);
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}
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else
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{
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acb_poly_fit_length(res, len);
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if (y >= 0)
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acb_add_ui(res->coeffs, x->coeffs, y, prec);
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else
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acb_sub_ui(res->coeffs, x->coeffs, -y, prec);
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if (res != x)
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_acb_vec_set(res->coeffs + 1, x->coeffs + 1, len - 1);
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_acb_poly_set_length(res, len);
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_acb_poly_normalise(res);
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}
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}
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