92 lines
2.9 KiB
C
92 lines
2.9 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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Copyright (C) 2012 Lina Kulakova
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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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#include <stdlib.h>
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#include "flint.h"
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void
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TEMPLATE(T, poly_factor_realloc) (TEMPLATE(T, poly_factor_t) fac, slong alloc,
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const TEMPLATE(T, ctx_t) ctx)
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{
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if (alloc == 0) /* Clear up, reinitialise */
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{
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TEMPLATE(T, poly_factor_clear) (fac, ctx);
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TEMPLATE(T, poly_factor_init) (fac, ctx);
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}
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else if (fac->alloc) /* Realloc */
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{
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if (fac->alloc > alloc)
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{
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slong i;
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for (i = alloc; i < fac->num; i++)
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TEMPLATE(T, poly_clear) (fac->poly + i, ctx);
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fac->poly =
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flint_realloc(fac->poly,
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alloc * sizeof(TEMPLATE(T, poly_struct)));
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fac->exp = flint_realloc(fac->exp, alloc * sizeof(slong));
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fac->alloc = alloc;
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}
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else if (fac->alloc < alloc)
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{
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slong i;
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fac->poly =
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flint_realloc(fac->poly,
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alloc * sizeof(TEMPLATE(T, poly_struct)));
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fac->exp = flint_realloc(fac->exp, alloc * sizeof(slong));
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for (i = fac->alloc; i < alloc; i++)
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{
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TEMPLATE(T, poly_init) (fac->poly + i, ctx);
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fac->exp[i] = WORD(0);
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}
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fac->alloc = alloc;
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}
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}
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else /* Nothing allocated already so do it now */
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{
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slong i;
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fac->poly = flint_malloc(alloc * sizeof(TEMPLATE(T, poly_struct)));
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fac->exp = flint_calloc(alloc, sizeof(slong));
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for (i = 0; i < alloc; i++)
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TEMPLATE(T, poly_init) (fac->poly + i, ctx);
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fac->num = 0;
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fac->alloc = alloc;
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}
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}
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#endif
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