From 6cbeae4719aeb3edb6143fe5dd6d2a5ab45c0248 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Wed, 22 Feb 2012 13:03:40 +0000 Subject: Fix nearbyintf rounding. --- sysdeps/ieee754/flt-32/s_nearbyintf.c | 12 ------------ 1 file changed, 12 deletions(-) (limited to 'sysdeps/ieee754/flt-32') diff --git a/sysdeps/ieee754/flt-32/s_nearbyintf.c b/sysdeps/ieee754/flt-32/s_nearbyintf.c index 04ef9ab20c..a6d602bb4d 100644 --- a/sysdeps/ieee754/flt-32/s_nearbyintf.c +++ b/sysdeps/ieee754/flt-32/s_nearbyintf.c @@ -30,18 +30,12 @@ __nearbyintf(float x) { fenv_t env; 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); libc_feholdexceptf (&env); w = TWO23[sx]+x; t = w-TWO23[sx]; @@ -49,17 +43,11 @@ __nearbyintf(float x) 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(__builtin_expect(j0==0x80, 0)) return x+x; /* inf or NaN */ else return x; /* x is integral */ } - SET_FLOAT_WORD(x,i0); libc_feholdexceptf (&env); w = TWO23[sx]+x; t = w-TWO23[sx]; -- cgit 1.4.1