diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/wordsize-64/s_rint.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/wordsize-64/s_rint.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_rint.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_rint.c index 20eef3c5ea..87b2339d43 100644 --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_rint.c +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_rint.c @@ -38,28 +38,16 @@ __rint(double x) j0 = ((i0>>52)&0x7ff)-0x3ff; if(j0<52) { if(j0<0) { - if((i0 & UINT64_C(0x7fffffffffffffff))==0) return x; - uint64_t i = i0 & UINT64_C(0xfffffffffffff); - i0 &= UINT64_C(0xfffe000000000000); - i0 |= (((i|-i) >> 12) & UINT64_C(0x8000000000000)); - INSERT_WORDS64(x,i0); double w = TWO52[sx]+x; double t = w-TWO52[sx]; EXTRACT_WORDS64(i0,t); INSERT_WORDS64(t,(i0&UINT64_C(0x7fffffffffffffff))|(sx<<63)); return t; - } else { - uint64_t i = UINT64_C(0x000fffffffffffff)>>j0; - if((i0&i)==0) return x; /* x is integral */ - i>>=1; - if((i0&i)!=0) - i0 = (i0&(~i))|(UINT64_C(0x4000000000000)>>j0); } } else { if(j0==0x400) return x+x; /* inf or NaN */ else return x; /* x is integral */ } - INSERT_WORDS64(x,i0); double w = TWO52[sx]+x; return w-TWO52[sx]; } |