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/*
Copyright (C) 2017-2020 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 <string.h>
#include "mpoly.h"
#include "fmpz_mpoly.h"
int fmpz_mpoly_set_str_pretty(fmpz_mpoly_t poly, const char * str,
const char** x, const fmpz_mpoly_ctx_t ctx)
{
int ret;
slong i;
fmpz_mpoly_t val;
mpoly_parse_t E;
char dummy[FLINT_BITS/2];
mpoly_void_ring_init_fmpz_mpoly_ctx(E->R, ctx);
mpoly_parse_init(E);
fmpz_mpoly_init(val, ctx);
for (i = 0; i < ctx->minfo->nvars; i++)
{
fmpz_mpoly_gen(val, i, ctx);
if (x == NULL)
{
flint_sprintf(dummy, "x%wd", i + 1);
mpoly_parse_add_terminal(E, dummy, (const void *)val);
}
else
{
mpoly_parse_add_terminal(E, x[i], (const void *)val);
}
}
fmpz_mpoly_clear(val, ctx);
ret = mpoly_parse_parse(E, poly, str, strlen(str));
mpoly_parse_clear(E);
return ret;
}