diff options
Diffstat (limited to 'add_one_ulp.c')
| -rw-r--r-- | add_one_ulp.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/add_one_ulp.c b/add_one_ulp.c index b56248467..d12e0f382 100644 --- a/add_one_ulp.c +++ b/add_one_ulp.c @@ -1,6 +1,6 @@ /* mpfr_add_one_ulp -- add one unit in last place -Copyright 1999, 2001, 2002, 2003 Free Software Foundation, Inc. +Copyright 1999, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the MPFR Library. @@ -19,9 +19,7 @@ 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. */ -#include "gmp.h" -#include "gmp-impl.h" -#include "mpfr.h" + #include "mpfr-impl.h" /* sets x to x+sign(x)*ulp(x) */ @@ -42,10 +40,10 @@ mpfr_add_one_ulp (mpfr_ptr x, mp_rnd_t rnd_mode) MPFR_ASSERTN(0); } - xn = 1 + (MPFR_PREC(x) - 1) / BITS_PER_MP_LIMB; - sh = (mp_prec_t) xn * BITS_PER_MP_LIMB - MPFR_PREC(x); + xn = MPFR_LIMB_SIZE(x); + MPFR_UNSIGNED_MINUS_MODULO(sh, MPFR_PREC(x) ); xp = MPFR_MANT(x); - if (mpn_add_1 (xp, xp, xn, MP_LIMB_T_ONE << sh)) /* got 1.0000... */ + if (mpn_add_1 (xp, xp, xn, MPFR_LIMB_ONE << sh)) /* got 1.0000... */ { mp_exp_t exp = MPFR_EXP (x); if (MPFR_UNLIKELY(exp == __gmpfr_emax)) @@ -57,5 +55,5 @@ mpfr_add_one_ulp (mpfr_ptr x, mp_rnd_t rnd_mode) xp[xn-1] = MPFR_LIMB_HIGHBIT; } } - return 0; + MPFR_RET(0); } |