diff options
Diffstat (limited to 'libquadmath/math/ceilq.c')
| -rw-r--r-- | libquadmath/math/ceilq.c | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/libquadmath/math/ceilq.c b/libquadmath/math/ceilq.c index 0d9bb8b87f3..1adc1e1b9f0 100644 --- a/libquadmath/math/ceilq.c +++ b/libquadmath/math/ceilq.c @@ -15,8 +15,6 @@ #include "quadmath-imp.h" -static const __float128 huge = 1.0e4930Q; - __float128 ceilq (__float128 x) { @@ -25,18 +23,15 @@ ceilq (__float128 x) GET_FLT128_WORDS64(i0,i1,x); j0 = ((i0>>48)&0x7fff)-0x3fff; if(j0<48) { - if(j0<0) { /* raise inexact if x != 0 */ - if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */ - if(i0<0) {i0=0x8000000000000000ULL;i1=0;} - else if((i0|i1)!=0) { i0=0x3fff000000000000ULL;i1=0;} - } + if(j0<0) { + /* return 0*sign(x) if |x|<1 */ + if(i0<0) {i0=0x8000000000000000ULL;i1=0;} + else if((i0|i1)!=0) { i0=0x3fff000000000000ULL;i1=0;} } else { i = (0x0000ffffffffffffULL)>>j0; if(((i0&i)|i1)==0) return x; /* x is integral */ - if(huge+x>0.0) { /* raise inexact flag */ - if(i0>0) i0 += (0x0001000000000000LL)>>j0; - i0 &= (~i); i1=0; - } + if(i0>0) i0 += (0x0001000000000000LL)>>j0; + i0 &= (~i); i1=0; } } else if (j0>111) { if(j0==0x4000) return x+x; /* inf or NaN */ @@ -44,17 +39,15 @@ ceilq (__float128 x) } else { i = -1ULL>>(j0-48); if((i1&i)==0) return x; /* x is integral */ - if(huge+x>0.0) { /* raise inexact flag */ - if(i0>0) { - if(j0==48) i0+=1; - else { - j = i1+(1LL<<(112-j0)); - if(j<i1) i0 +=1 ; /* got a carry */ - i1=j; - } + if(i0>0) { + if(j0==48) i0+=1; + else { + j = i1+(1LL<<(112-j0)); + if(j<i1) i0 +=1 ; /* got a carry */ + i1=j; } - i1 &= (~i); } + i1 &= (~i); } SET_FLT128_WORDS64(x,i0,i1); return x; |