diff options
Diffstat (limited to 'libc/sysdeps/ieee754/dbl-64/s_ceil.c')
| -rw-r--r-- | libc/sysdeps/ieee754/dbl-64/s_ceil.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/libc/sysdeps/ieee754/dbl-64/s_ceil.c b/libc/sysdeps/ieee754/dbl-64/s_ceil.c index 695cae5d5..de50e29bf 100644 --- a/libc/sysdeps/ieee754/dbl-64/s_ceil.c +++ b/libc/sysdeps/ieee754/dbl-64/s_ceil.c @@ -32,18 +32,17 @@ __ceil(double x) EXTRACT_WORDS(i0,i1,x); j0 = ((i0>>20)&0x7ff)-0x3ff; if(j0<20) { - if(j0<0) { /* raise inexact if x != 0 */ - if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */ - if(i0<0) {i0=0x80000000;i1=0;} - else if((i0|i1)!=0) { i0=0x3ff00000;i1=0;} - } + if(j0<0) { /* raise inexact if x != 0 */ + math_force_eval(huge+x); + /* return 0*sign(x) if |x|<1 */ + if(i0<0) {i0=0x80000000;i1=0;} + else if((i0|i1)!=0) { i0=0x3ff00000;i1=0;} } else { i = (0x000fffff)>>j0; if(((i0&i)|i1)==0) return x; /* x is integral */ - if(huge+x>0.0) { /* raise inexact flag */ - if(i0>0) i0 += (0x00100000)>>j0; - i0 &= (~i); i1=0; - } + math_force_eval(huge+x); /* raise inexact flag */ + if(i0>0) i0 += (0x00100000)>>j0; + i0 &= (~i); i1=0; } } else if (j0>51) { if(j0==0x400) return x+x; /* inf or NaN */ @@ -51,17 +50,16 @@ __ceil(double x) } else { i = ((u_int32_t)(0xffffffff))>>(j0-20); if((i1&i)==0) return x; /* x is integral */ - if(huge+x>0.0) { /* raise inexact flag */ - if(i0>0) { - if(j0==20) i0+=1; - else { - j = i1 + (1<<(52-j0)); - if(j<i1) i0+=1; /* got a carry */ - i1 = j; - } + math_force_eval(huge+x); /* raise inexact flag */ + if(i0>0) { + if(j0==20) i0+=1; + else { + j = i1 + (1<<(52-j0)); + if(j<i1) i0+=1; /* got a carry */ + i1 = j; } - i1 &= (~i); } + i1 &= (~i); } INSERT_WORDS(x,i0,i1); return x; |