diff options
Diffstat (limited to 'set_f.c')
| -rw-r--r-- | set_f.c | 22 |
1 files changed, 11 insertions, 11 deletions
@@ -43,7 +43,7 @@ mpfr_set_f (mpfr_ptr y, mpf_srcptr x, mpfr_rnd_t rnd_mode) if (SIZ(x) * MPFR_FROM_SIGN_TO_INT(MPFR_SIGN(y)) < 0) MPFR_CHANGE_SIGN (y); - sy = 1 + (MPFR_PREC(y) - 1) / GMP_LIMB_BITS; + sy = 1 + (MPFR_PREC(y) - 1) / GMP_NUMB_BITS; my = MPFR_MANT(y); mx = PTR(x); @@ -51,7 +51,7 @@ mpfr_set_f (mpfr_ptr y, mpf_srcptr x, mpfr_rnd_t rnd_mode) if (sy <= sx) /* we may have to round even when sy = sx */ { - unsigned long xprec = sx * GMP_LIMB_BITS; + unsigned long xprec = sx * GMP_NUMB_BITS; MPFR_TMP_MARK(marker); tmp = (mp_limb_t*) MPFR_TMP_ALLOC(sx * BYTES_PER_MP_LIMB); @@ -78,21 +78,21 @@ mpfr_set_f (mpfr_ptr y, mpf_srcptr x, mpfr_rnd_t rnd_mode) inexact = 0; } - /* warning: EXP(x) * GMP_LIMB_BITS may exceed the maximal exponent */ - if (EXP(x) > 1 + (__gmpfr_emax - 1) / GMP_LIMB_BITS) + /* warning: EXP(x) * GMP_NUMB_BITS may exceed the maximal exponent */ + if (EXP(x) > 1 + (__gmpfr_emax - 1) / GMP_NUMB_BITS) { - /* EXP(x) >= 2 + floor((__gmpfr_emax-1)/GMP_LIMB_BITS) - EXP(x) >= 2 + (__gmpfr_emax - GMP_LIMB_BITS) / GMP_LIMB_BITS - >= 1 + __gmpfr_emax / GMP_LIMB_BITS - EXP(x) * GMP_LIMB_BITS >= __gmpfr_emax + GMP_LIMB_BITS - Since 0 <= cnt <= GMP_LIMB_BITS-1, and 0 <= carry <= 1, - we have then EXP(x) * GMP_LIMB_BITS - cnt + carry > __gmpfr_emax */ + /* EXP(x) >= 2 + floor((__gmpfr_emax-1)/GMP_NUMB_BITS) + EXP(x) >= 2 + (__gmpfr_emax - GMP_NUMB_BITS) / GMP_NUMB_BITS + >= 1 + __gmpfr_emax / GMP_NUMB_BITS + EXP(x) * GMP_NUMB_BITS >= __gmpfr_emax + GMP_NUMB_BITS + Since 0 <= cnt <= GMP_NUMB_BITS-1, and 0 <= carry <= 1, + we have then EXP(x) * GMP_NUMB_BITS - cnt + carry > __gmpfr_emax */ return mpfr_overflow (y, rnd_mode, MPFR_SIGN (y)); } else { /* Do not use MPFR_SET_EXP as the exponent may be out of range. */ - MPFR_EXP (y) = EXP (x) * GMP_LIMB_BITS - (mp_exp_t) cnt + carry; + MPFR_EXP (y) = EXP (x) * GMP_NUMB_BITS - (mp_exp_t) cnt + carry; } return mpfr_check_range (y, inexact, rnd_mode); |