64 lines
1.8 KiB
C
64 lines
1.8 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) 2011 Sebastian Pancratz
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******************************************************************************/
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#include "fmpq.h"
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char * _fmpq_get_str(char * str, int b, const fmpz_t num, const fmpz_t den)
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{
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char *s;
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if (str == NULL)
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{
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str = flint_malloc(fmpz_sizeinbase(num, b) + fmpz_sizeinbase(den, b) + 3);
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if (str == NULL)
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{
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flint_printf("Exception (_fmpq_get_str). Not enough memory.\n");
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abort();
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}
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}
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fmpz_get_str(str, b, num);
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if (!fmpz_is_one(den))
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{
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s = str;
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while (*s != '\0')
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s++;
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*s = '/';
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s++;
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fmpz_get_str(s, b, den);
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}
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return str;
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}
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char * fmpq_get_str(char * str, int b, const fmpq_t f)
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{
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return _fmpq_get_str(str, b, fmpq_numref(f), fmpq_denref(f));
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}
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