diff options
| -rw-r--r-- | lib/msun/ld128/s_expl.c | 10 | ||||
| -rw-r--r-- | lib/msun/ld80/s_expl.c | 12 |
2 files changed, 9 insertions, 13 deletions
diff --git a/lib/msun/ld128/s_expl.c b/lib/msun/ld128/s_expl.c index 5a9cdd5..092174d 100644 --- a/lib/msun/ld128/s_expl.c +++ b/lib/msun/ld128/s_expl.c @@ -234,18 +234,16 @@ expl(long double x) ix = hx & 0x7fff; if (ix >= BIAS + 13) { /* |x| >= 8192 or x is NaN */ if (ix == BIAS + LDBL_MAX_EXP) { - if (hx & 0x8000 && u.xbits.manh == 0 && - u.xbits.manl == 0) - return (0.0L); /* x is -Inf */ + if (hx & 0x8000) /* x is -Inf or -NaN */ + return (-1 / x); return (x + x); /* x is +Inf or NaN */ } if (x > o_threshold) return (huge * huge); if (x < u_threshold) return (tiny * tiny); - } else if (ix < BIAS - 115) { /* |x| < 0x1p-115 */ - if (huge + x > 1.0L) /* trigger inexact iff x != 0 */ - return (1.0L + x); + } else if (ix < BIAS - 114) { /* |x| < 0x1p-114 */ + return (1 + x); /* 1 with inexact iff x != 0 */ } /* Reduce x to (k*ln2 + endpoint[n2] + r1 + r2). */ diff --git a/lib/msun/ld80/s_expl.c b/lib/msun/ld80/s_expl.c index a86a5c8..26a378b 100644 --- a/lib/msun/ld80/s_expl.c +++ b/lib/msun/ld80/s_expl.c @@ -246,18 +246,16 @@ expl(long double x) ix = hx & 0x7fff; if (ix >= BIAS + 13) { /* |x| >= 8192 or x is NaN */ if (ix == BIAS + LDBL_MAX_EXP) { - if (hx & 0x8000 && u.xbits.man == 1ULL << 63) - return (0.0L); /* x is -Inf */ - return (x + x); /* x is +Inf, NaN or unsupported */ + if (hx & 0x8000) /* x is -Inf, -NaN or unsupported */ + return (-1 / x); + return (x + x); /* x is +Inf, +NaN or unsupported */ } if (x > o_threshold) return (huge * huge); if (x < u_threshold) return (tiny * tiny); - } else if (ix < BIAS - 66) { /* |x| < 0x1p-66 */ - /* includes pseudo-denormals */ - if (huge + x > 1.0L) /* trigger inexact iff x != 0 */ - return (1.0L + x); + } else if (ix < BIAS - 65) { /* |x| < 0x1p-65 (includes pseudos) */ + return (1 + x); /* 1 with inexact iff x != 0 */ } ENTERI(); |
