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/*
Copyright (C) 2008, 2009 William Hart
Copyright (C) 2012 Andres Goens
Copyright (C) 2013 Mike Hansen
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#ifdef T
#include "templates.h"
void
TEMPLATE(T, poly_realloc) (TEMPLATE(T, poly_t) poly, slong alloc,
const TEMPLATE(T, ctx_t) ctx)
{
slong i;
if (alloc == 0) /* Clear up, reinitialise */
{
TEMPLATE(T, poly_clear) (poly, ctx);
TEMPLATE(T, poly_init) (poly, ctx);
}
else if (poly->alloc) /* Realloc */
{
for (i = alloc; i < poly->alloc; i++)
TEMPLATE(T, clear) (poly->coeffs + i, ctx);
poly->coeffs =
(TEMPLATE(T, struct) *) flint_realloc(poly->coeffs,
alloc *
sizeof(TEMPLATE(T, struct)));
for (i = poly->alloc; i < alloc; i++)
TEMPLATE(T, init) (poly->coeffs + i, ctx);
poly->length = FLINT_MIN(poly->length, alloc);
_TEMPLATE(T, poly_normalise) (poly, ctx);
}
else /* Nothing allocated already so do it now */
{
poly->coeffs =
(TEMPLATE(T, struct) *) flint_malloc(alloc *
sizeof(TEMPLATE(T, struct)));
for (i = 0; i < alloc; i++)
TEMPLATE(T, init) (poly->coeffs + i, ctx);
}
poly->alloc = alloc;
}
#endif