stk/Mp/gmp-1.3.2/mpq_set_num.c

42 lines
1.2 KiB
C

/* mpq_set_num(dest,num) -- Set the numerator of DEST from NUM.
Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
The GNU MP Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU MP Library; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "gmp.h"
#include "gmp-impl.h"
void
#ifdef __STDC__
mpq_set_num (MP_RAT *dest, const MP_INT *num)
#else
mpq_set_num (dest, num)
MP_RAT *dest;
const MP_INT *num;
#endif
{
mp_size size = num->size;
mp_size abs_size = ABS (size);
if (dest->num.alloc < abs_size)
_mpz_realloc (&(dest->num), abs_size);
MPN_COPY (dest->num.d, num->d, abs_size);
dest->num.size = size;
}