diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_rintl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_rintl.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_rintl.c b/sysdeps/ieee754/ldbl-128/s_rintl.c index 833ad42944..563b207343 100644 --- a/sysdeps/ieee754/ldbl-128/s_rintl.c +++ b/sysdeps/ieee754/ldbl-128/s_rintl.c @@ -39,42 +39,23 @@ TWO112[2]={ long double __rintl(long double x) { int64_t i0,j0,sx; - u_int64_t i,i1; + u_int64_t i1; long double w,t; GET_LDOUBLE_WORDS64(i0,i1,x); sx = (((u_int64_t)i0)>>63); j0 = ((i0>>48)&0x7fff)-0x3fff; - if(j0<48) { + if(j0<112) { if(j0<0) { - if(((i0&0x7fffffffffffffffLL)|i1)==0) return x; - i1 |= (i0&0x0000ffffffffffffLL); - i0 &= 0xffffe00000000000ULL; - i0 |= ((i1|-i1)>>16)&0x0000800000000000LL; - SET_LDOUBLE_MSW64(x,i0); w = TWO112[sx]+x; t = w-TWO112[sx]; GET_LDOUBLE_MSW64(i0,t); SET_LDOUBLE_MSW64(t,(i0&0x7fffffffffffffffLL)|(sx<<63)); return t; - } else { - i = (0x0000ffffffffffffLL)>>j0; - if(((i0&i)|i1)==0) return x; /* x is integral */ - i>>=1; - if(((i0&i)|i1)!=0) { - if(j0==47) i1 = 0x4000000000000000ULL; else - i0 = (i0&(~i))|((0x0000200000000000LL)>>j0); - } } - } else if (j0>111) { + } else { if(j0==0x4000) return x+x; /* inf or NaN */ else return x; /* x is integral */ - } else { - i = -1ULL>>(j0-48); - if((i1&i)==0) return x; /* x is integral */ - i>>=1; - if((i1&i)!=0) i1 = (i1&(~i))|((0x4000000000000000LL)>>(j0-48)); } - SET_LDOUBLE_WORDS64(x,i0,i1); w = TWO112[sx]+x; return w-TWO112[sx]; } |