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| author | Joseph Myers <joseph@codesourcery.com> | 2012-02-22 13:01:20 +0000 |
|---|---|---|
| committer | Carlos O'Donell <carlos_odonell@mentor.com> | 2012-05-01 14:18:24 -0400 |
| commit | 228abdc27750245b0c7d80a4db6cf66621e657f9 (patch) | |
| tree | 58d28ae557a6a2ae82e13f6f3b8b5a3b060fa251 /sysdeps | |
| parent | e02cc8de8c21f26e58c8463cdb4caf0d8cbbc6a5 (diff) | |
| download | glibc-228abdc27750245b0c7d80a4db6cf66621e657f9.zip glibc-228abdc27750245b0c7d80a4db6cf66621e657f9.tar.gz glibc-228abdc27750245b0c7d80a4db6cf66621e657f9.tar.bz2 | |
Fix rintf rounding.
(cherry-picked from commit fe45ce09f366f2260aef528d37ae35070b3a2a36)
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_rintf.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/sysdeps/ieee754/flt-32/s_rintf.c b/sysdeps/ieee754/flt-32/s_rintf.c index 9ea9b6f..9ba6b57 100644 --- a/sysdeps/ieee754/flt-32/s_rintf.c +++ b/sysdeps/ieee754/flt-32/s_rintf.c @@ -26,34 +26,22 @@ float __rintf(float x) { int32_t i0,j0,sx; - u_int32_t i,i1; float w,t; GET_FLOAT_WORD(i0,x); sx = (i0>>31)&1; j0 = ((i0>>23)&0xff)-0x7f; if(j0<23) { if(j0<0) { - if((i0&0x7fffffff)==0) return x; - i1 = (i0&0x07fffff); - i0 &= 0xfff00000; - i0 |= ((i1|-i1)>>9)&0x400000; - SET_FLOAT_WORD(x,i0); w = TWO23[sx]+x; t = w-TWO23[sx]; GET_FLOAT_WORD(i0,t); SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31)); return t; - } else { - i = (0x007fffff)>>j0; - if((i0&i)==0) return x; /* x is integral */ - i>>=1; - if((i0&i)!=0) i0 = (i0&(~i))|((0x100000)>>j0); } } else { if(j0==0x80) return x+x; /* inf or NaN */ else return x; /* x is integral */ } - SET_FLOAT_WORD(x,i0); w = TWO23[sx]+x; return w-TWO23[sx]; } |