diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/e_logl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_logl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_logl.c b/sysdeps/ieee754/ldbl-128ibm/e_logl.c index b7db2b9784..58d6bc6972 100644 --- a/sysdeps/ieee754/ldbl-128ibm/e_logl.c +++ b/sysdeps/ieee754/ldbl-128ibm/e_logl.c @@ -229,6 +229,14 @@ __ieee754_logl(long double x) /* Extract exponent and reduce domain to 0.703125 <= u < 1.40625 */ unsigned int w0; e = (int) (m >> 20) - (int) 0x3fe; + if (e == -1022) + { + x *= 0x1p106L; + xhi = ldbl_high (x); + EXTRACT_WORDS (hx, lx, xhi); + m = hx; + e = (int) (m >> 20) - (int) 0x3fe - 106; + } m &= 0xfffff; w0 = m | 0x3fe00000; m |= 0x100000; |