diff options
Diffstat (limited to 'lib/libm/src/s_rint.c')
| -rw-r--r-- | lib/libm/src/s_rint.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/lib/libm/src/s_rint.c b/lib/libm/src/s_rint.c index cefa9f22ba4..192a765d7d0 100644 --- a/lib/libm/src/s_rint.c +++ b/lib/libm/src/s_rint.c @@ -36,14 +36,14 @@ TWO52[2]={ double rint(double x) { - int32_t i0,j0,sx; + int32_t i0,jj0,sx; u_int32_t i,i1; double w,t; EXTRACT_WORDS(i0,i1,x); sx = (i0>>31)&1; - j0 = ((i0>>20)&0x7ff)-0x3ff; - if(j0<20) { - if(j0<0) { + jj0 = ((i0>>20)&0x7ff)-0x3ff; + if(jj0<20) { + if(jj0<0) { if(((i0&0x7fffffff)|i1)==0) return x; i1 |= (i0&0x0fffff); i0 &= 0xfffe0000; @@ -55,22 +55,22 @@ rint(double x) SET_HIGH_WORD(t,(i0&0x7fffffff)|(sx<<31)); return t; } else { - i = (0x000fffff)>>j0; + i = (0x000fffff)>>jj0; if(((i0&i)|i1)==0) return x; /* x is integral */ i>>=1; if(((i0&i)|i1)!=0) { - if(j0==19) i1 = 0x40000000; else - i0 = (i0&(~i))|((0x20000)>>j0); + if(jj0==19) i1 = 0x40000000; else + i0 = (i0&(~i))|((0x20000)>>jj0); } } - } else if (j0>51) { - if(j0==0x400) return x+x; /* inf or NaN */ + } else if (jj0>51) { + if(jj0==0x400) return x+x; /* inf or NaN */ else return x; /* x is integral */ } else { - i = ((u_int32_t)(0xffffffff))>>(j0-20); + i = ((u_int32_t)(0xffffffff))>>(jj0-20); if((i1&i)==0) return x; /* x is integral */ i>>=1; - if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(j0-20)); + if((i1&i)!=0) i1 = (i1&(~i))|((0x40000000)>>(jj0-20)); } INSERT_WORDS(x,i0,i1); w = TWO52[sx]+x; |