=================================================================== RCS file: /home/cvs/OpenXM_contrib/gmp/mpfr/Attic/set_prec.c,v retrieving revision 1.1 retrieving revision 1.1.1.2 diff -u -p -r1.1 -r1.1.1.2 --- OpenXM_contrib/gmp/mpfr/Attic/set_prec.c 2000/09/09 14:12:19 1.1 +++ OpenXM_contrib/gmp/mpfr/Attic/set_prec.c 2003/08/25 16:06:07 1.1.1.2 @@ -1,20 +1,20 @@ /* mpfr_set_prec -- reset the precision of a floating-point number -Copyright (C) 1999 PolKA project, Inria Lorraine and Loria +Copyright 1999, 2001 Free Software Foundation, Inc. This file is part of the MPFR Library. The MPFR Library is free software; you can redistribute it and/or modify -it under the terms of the GNU Library General Public License as published by -the Free Software Foundation; either version 2 of the License, or (at your +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The MPFR 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 Library General Public +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. -You should have received a copy of the GNU Library General Public License +You should have received a copy of the GNU Lesser General Public License along with the MPFR Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ @@ -23,40 +23,33 @@ MA 02111-1307, USA. */ #include "gmp.h" #include "gmp-impl.h" #include "mpfr.h" +#include "mpfr-impl.h" -void -#if __STDC__ -mpfr_set_prec (mpfr_t x, unsigned long int p) -#else -mpfr_set_prec (x, p) - mpfr_t x; - unsigned long int p; -#endif +int +mpfr_set_prec (mpfr_ptr x, mp_prec_t p) { - unsigned long xsize; + mp_size_t xsize; - if (p==0) { - printf("*** cannot set precision to 0 bits\n"); exit(1); - } + MPFR_ASSERTN(p >= MPFR_PREC_MIN && p <= MPFR_PREC_MAX); - xsize = (p - 1)/BITS_PER_MP_LIMB + 1; /* new limb size */ + xsize = (p - 1) / BITS_PER_MP_LIMB + 1; /* new limb size */ - if (xsize > ABSSIZE(x)) { - x -> _mp_d = (mp_ptr) (*_mp_reallocate_func) - (x -> _mp_d, ABSSIZE(x)*BYTES_PER_MP_LIMB, xsize * BYTES_PER_MP_LIMB); - SIZE(x) = xsize; /* new number of allocated limbs */ - } + if (xsize > MPFR_ABSSIZE(x)) + { + MPFR_MANT(x) = (mp_ptr) (*__gmp_reallocate_func) + (MPFR_MANT(x), (size_t) MPFR_ABSSIZE(x) * BYTES_PER_MP_LIMB, + (size_t) xsize * BYTES_PER_MP_LIMB); + MPFR_SIZE(x) = xsize; /* new number of allocated limbs */ + } - x -> _mp_prec = p; + MPFR_PREC(x) = p; + MPFR_SET_NAN(x); /* initializes to NaN */ + + return MPFR_MANT(x) == NULL; } -unsigned long int -#if __STDC__ -mpfr_get_prec (mpfr_t x) -#else -mpfr_get_prec (x) - mpfr_t x; -#endif +mp_prec_t +mpfr_get_prec (mpfr_srcptr x) { - return x -> _mp_prec; + return MPFR_PREC(x); }