71 lines
2.3 KiB
C
71 lines
2.3 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 Sebastian Pancratz
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Copyright (C) 2013 Mike Hansen
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******************************************************************************/
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#ifdef T
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#include "templates.h"
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void
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_TEMPLATE(T, poly_sub) (TEMPLATE(T, struct) * res,
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const TEMPLATE(T, struct) * poly1, slong len1,
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const TEMPLATE(T, struct) * poly2, slong len2,
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const TEMPLATE(T, ctx_t) ctx)
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{
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const slong min = FLINT_MIN(len1, len2);
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slong i;
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for (i = 0; i < min; i++)
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TEMPLATE(T, sub) (res + i, poly1 + i, poly2 + i, ctx);
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if (poly1 != res)
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for (i = min; i < len1; i++)
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TEMPLATE(T, set) (res + i, poly1 + i, ctx);
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for (i = min; i < len2; i++)
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TEMPLATE(T, neg) (res + i, poly2 + i, ctx);
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}
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void
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TEMPLATE(T, poly_sub) (TEMPLATE(T, poly_t) res,
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const TEMPLATE(T, poly_t) poly1,
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const TEMPLATE(T, poly_t) poly2,
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const TEMPLATE(T, ctx_t) ctx)
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{
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const slong max = FLINT_MAX(poly1->length, poly2->length);
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TEMPLATE(T, poly_fit_length) (res, max, ctx);
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_TEMPLATE(T, poly_sub) (res->coeffs, poly1->coeffs, poly1->length,
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poly2->coeffs, poly2->length, ctx);
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_TEMPLATE(T, poly_set_length) (res, max, ctx);
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_TEMPLATE(T, poly_normalise) (res, ctx);
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}
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#endif
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