73 lines
2.1 KiB
C
73 lines
2.1 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) 2010 Sebastian Pancratz
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******************************************************************************/
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <gmp.h>
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#include "flint.h"
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#include "fmpz.h"
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#include "fmpz_poly.h"
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char *
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_fmpz_poly_get_str(const fmpz * poly, slong len)
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{
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slong i, bound;
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char *str, *strbase;
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if (len == 0)
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{
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str = (char *) flint_malloc(2 * sizeof(char));
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str[0] = '0';
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str[1] = '\0';
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return str;
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}
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bound = (slong) (ceil(log10((double) (len + 1))));
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for (i = 0; i < len; i++)
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bound += fmpz_sizeinbase(poly + i, 10) + 1;
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bound += len + 2;
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strbase = (char *) flint_malloc(bound * sizeof(char));
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str = strbase;
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str += flint_sprintf(str, "%wd ", len);
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do
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{
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if (!COEFF_IS_MPZ(*poly))
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str += flint_sprintf(str, " %wd", *poly);
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else
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str += gmp_sprintf(str, " %Zd", COEFF_TO_PTR(*poly));
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} while (poly++, --len);
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return strbase;
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}
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char *
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fmpz_poly_get_str(const fmpz_poly_t poly)
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{
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return _fmpz_poly_get_str(poly->coeffs, poly->length);
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}
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