Annotation of OpenXM_contrib/gmp/mpq/inp_str.c, Revision 1.1
1.1 ! ohara 1: /* mpq_inp_str -- read an mpq from a FILE.
! 2:
! 3: Copyright 2001 Free Software Foundation, Inc.
! 4:
! 5: This file is part of the GNU MP Library.
! 6:
! 7: The GNU MP Library is free software; you can redistribute it and/or modify
! 8: it under the terms of the GNU Lesser General Public License as published by
! 9: the Free Software Foundation; either version 2.1 of the License, or (at your
! 10: option) any later version.
! 11:
! 12: The GNU MP Library is distributed in the hope that it will be useful, but
! 13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 14: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 15: License for more details.
! 16:
! 17: You should have received a copy of the GNU Lesser General Public License
! 18: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 20: MA 02111-1307, USA. */
! 21:
! 22: #include <stdio.h>
! 23: #include <ctype.h>
! 24: #include "gmp.h"
! 25: #include "gmp-impl.h"
! 26:
! 27:
! 28: size_t
! 29: mpq_inp_str (mpq_ptr q, FILE *fp, int base)
! 30: {
! 31: size_t nread;
! 32: int c;
! 33:
! 34: if (fp == NULL)
! 35: fp = stdin;
! 36:
! 37: q->_mp_den._mp_size = 1;
! 38: q->_mp_den._mp_d[0] = 1;
! 39:
! 40: nread = mpz_inp_str (mpq_numref(q), fp, base);
! 41: if (nread == 0)
! 42: return 0;
! 43:
! 44: c = getc (fp);
! 45: nread++;
! 46:
! 47: if (c == '/')
! 48: {
! 49: c = getc (fp);
! 50: nread++;
! 51:
! 52: nread = mpz_inp_str_nowhite (mpq_denref(q), fp, base, c, nread);
! 53: if (nread == 0)
! 54: {
! 55: q->_mp_num._mp_size = 0;
! 56: q->_mp_den._mp_size = 1;
! 57: q->_mp_den._mp_d[0] = 1;
! 58: }
! 59: }
! 60: else
! 61: {
! 62: ungetc (c, fp);
! 63: nread--;
! 64: }
! 65:
! 66: return nread;
! 67: }
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