mirror of
https://github.com/vale981/arb
synced 2025-03-06 01:41:39 -05:00
58 lines
1.9 KiB
C
58 lines
1.9 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) 2012 Fredrik Johansson
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******************************************************************************/
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#include "fmpcb_poly.h"
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void
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_fmpcb_poly_sub(fmpcb_ptr res, fmpcb_srcptr poly1, long len1,
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fmpcb_srcptr poly2, long len2, long prec)
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{
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long i, min = FLINT_MIN(len1, len2);
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for (i = 0; i < min; i++)
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fmpcb_sub(res + i, poly1 + i, poly2 + i, prec);
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for (i = min; i < len1; i++)
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fmpcb_set_round(res + i, poly1 + i, prec);
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for (i = min; i < len2; i++)
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fmpcb_neg_round(res + i, poly2 + i, prec);
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}
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void
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fmpcb_poly_sub(fmpcb_poly_t res, const fmpcb_poly_t poly1,
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const fmpcb_poly_t poly2, long prec)
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{
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long max = FLINT_MAX(poly1->length, poly2->length);
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fmpcb_poly_fit_length(res, max);
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_fmpcb_poly_sub(res->coeffs, poly1->coeffs, poly1->length, poly2->coeffs,
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poly2->length, prec);
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_fmpcb_poly_set_length(res, max);
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_fmpcb_poly_normalise(res);
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}
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