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authorJoseph Myers <joseph@codesourcery.com>2012-02-22 13:01:20 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-02-22 13:01:20 +0000
commitfe45ce09f366f2260aef528d37ae35070b3a2a36 (patch)
treee9339ada3b50575aa63d7fa6cbc936dca6b69218 /sysdeps/ieee754
parentff3b3d82781300d48abec8a4a1600e7486663705 (diff)
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Fix rintf rounding.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/flt-32/s_rintf.c12
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 9ea9b6fc4f..9ba6b57d94 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];
}