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/*
Copyright (C) 2020 Daniel Schultz
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/>.
*/
#include "fmpz.h"
#include "fmpz_mpoly_factor.h"
void fmpz_mpoly_factor_realloc(fmpz_mpoly_factor_t f, slong alloc,
const fmpz_mpoly_ctx_t ctx)
{
slong i;
if (alloc <= 0)
{
fmpz_mpoly_factor_clear(f, ctx);
fmpz_mpoly_factor_init(f, ctx);
return;
}
if (f->alloc > 0)
{
if (f->alloc > alloc)
{
for (i = alloc; i < f->alloc; i++)
{
fmpz_mpoly_clear(f->poly + i, ctx);
fmpz_clear(f->exp + i);
}
f->exp = (fmpz *) flint_realloc(f->exp, alloc * sizeof(fmpz));
f->poly = (fmpz_mpoly_struct *) flint_realloc(f->poly,
alloc * sizeof(fmpz_mpoly_struct));
}
else if (f->alloc < alloc)
{
f->exp = (fmpz *) flint_realloc(f->exp, alloc * sizeof(fmpz));
f->poly = (fmpz_mpoly_struct *) flint_realloc(f->poly,
alloc * sizeof(fmpz_mpoly_struct));
for (i = f->alloc; i < alloc; i++)
{
fmpz_mpoly_init(f->poly + i, ctx);
fmpz_init(f->exp + i);
}
}
}
else
{
f->exp = (fmpz *) flint_calloc(alloc, sizeof(fmpz));
f->poly = (fmpz_mpoly_struct *) flint_malloc(alloc *
sizeof(fmpz_mpoly_struct));
for (i = 0; i < alloc; i++)
fmpz_mpoly_init(f->poly + i, ctx);
}
f->alloc = alloc;
}