diff options
Diffstat (limited to 'mpfr/set_si.c')
| -rw-r--r-- | mpfr/set_si.c | 47 |
1 files changed, 3 insertions, 44 deletions
diff --git a/mpfr/set_si.c b/mpfr/set_si.c index 9594682fe..20abb0e7f 100644 --- a/mpfr/set_si.c +++ b/mpfr/set_si.c @@ -1,6 +1,6 @@ -/* mpfr_set_si, mpfr_set_ui -- set a MPFR number from a machine integer +/* mpfr_set_si -- set a MPFR number from a machine signed integer -Copyright (C) 1999 Free Software Foundation. +Copyright (C) 1999-2001 Free Software Foundation. This file is part of the MPFR Library. @@ -41,7 +41,7 @@ mpfr_set_si (x, i, rnd_mode) MPFR_CLEAR_FLAGS(x); if (i==0) { MPFR_SET_ZERO(x); return; } xn = (MPFR_PREC(x)-1)/BITS_PER_MP_LIMB; - ai = ABS(i); + ai = (unsigned long) ABS(i); count_leading_zeros(cnt, ai); @@ -67,44 +67,3 @@ mpfr_set_si (x, i, rnd_mode) return; } - -void -#if __STDC__ -mpfr_set_ui (mpfr_ptr x, unsigned long int i, mp_rnd_t rnd_mode) -#else -mpfr_set_ui (x, i, rnd_mode) - mpfr_ptr x; - unsigned long int i; - mp_rnd_t rnd_mode; -#endif -{ - unsigned int xn, cnt; mp_limb_t *xp; - - MPFR_CLEAR_FLAGS(x); - if (i==0) { MPFR_SET_ZERO(x); return; } - xn = (MPFR_PREC(x)-1)/BITS_PER_MP_LIMB; - count_leading_zeros(cnt, (mp_limb_t) i); - - xp = MPFR_MANT(x); - xp[xn] = ((mp_limb_t) i) << cnt; - /* don't forget to put zero in lower limbs */ - MPN_ZERO(xp, xn); - - MPFR_EXP(x) = BITS_PER_MP_LIMB - cnt; - - /* round if MPFR_PREC(x) smaller than length of i */ - if (MPFR_PREC(x) < BITS_PER_MP_LIMB-cnt) { - cnt = mpfr_round_raw(xp+xn, xp+xn, BITS_PER_MP_LIMB-cnt, 0, MPFR_PREC(x), - rnd_mode); - if (cnt) { /* special case 1.000...000 */ - MPFR_EXP(x)++; - xp[xn] = ((mp_limb_t) 1) << (BITS_PER_MP_LIMB-1); - } - } - - /* warning: don't change the precision of x! */ - if (MPFR_SIGN(x) < 0) MPFR_CHANGE_SIGN(x); - - return; -} - |