diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_expm1l.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_expm1l.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c b/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c index 8808dcd896..0464f79043 100644 --- a/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c +++ b/sysdeps/ieee754/ldbl-128ibm/s_expm1l.c @@ -92,19 +92,21 @@ long double __expm1l (long double x) { long double px, qx, xx; - int32_t ix, sign; - ieee854_long_double_shape_type u; + int32_t ix, lx, sign; int k; + double xhi; /* Detect infinity and NaN. */ - u.value = x; - ix = u.parts32.w0; + xhi = ldbl_high (x); + EXTRACT_WORDS (ix, lx, xhi); sign = ix & 0x80000000; ix &= 0x7fffffff; + if (!sign && ix >= 0x40600000) + return __expl (x); if (ix >= 0x7ff00000) { /* Infinity. */ - if (((ix & 0xfffff) | u.parts32.w1 | (u.parts32.w2&0x7fffffff) | u.parts32.w3) == 0) + if (((ix - 0x7ff00000) | lx) == 0) { if (sign) return -1.0L; @@ -116,7 +118,7 @@ __expm1l (long double x) } /* expm1(+- 0) = +- 0. */ - if ((ix == 0) && (u.parts32.w1 | (u.parts32.w2&0x7fffffff) | u.parts32.w3) == 0) + if ((ix | lx) == 0) return x; /* Overflow. */ |