74 lines
2.4 KiB
C
74 lines
2.4 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) 2008, 2009 William Hart
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Copyright (C) 2012 Andres Goens
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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_realloc) (TEMPLATE(T, poly_t) poly, slong alloc,
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const TEMPLATE(T, ctx_t) ctx)
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{
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slong i;
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if (alloc == 0) /* Clear up, reinitialise */
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{
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TEMPLATE(T, poly_clear) (poly, ctx);
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TEMPLATE(T, poly_init) (poly, ctx);
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}
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else if (poly->alloc) /* Realloc */
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{
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for (i = alloc; i < poly->alloc; i++)
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TEMPLATE(T, clear) (poly->coeffs + i, ctx);
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poly->coeffs =
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(TEMPLATE(T, struct) *) flint_realloc(poly->coeffs,
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alloc *
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sizeof(TEMPLATE(T, struct)));
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for (i = poly->alloc; i < alloc; i++)
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TEMPLATE(T, init) (poly->coeffs + i, ctx);
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poly->length = FLINT_MIN(poly->length, alloc);
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_TEMPLATE(T, poly_normalise) (poly, ctx);
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}
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else /* Nothing allocated already so do it now */
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{
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poly->coeffs =
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(TEMPLATE(T, struct) *) flint_malloc(alloc *
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sizeof(TEMPLATE(T, struct)));
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for (i = 0; i < alloc; i++)
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TEMPLATE(T, init) (poly->coeffs + i, ctx);
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}
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poly->alloc = alloc;
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}
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#endif
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