diff options
Diffstat (limited to 'newlib/libm/math/sf_floor.c')
| -rw-r--r-- | newlib/libm/math/sf_floor.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/newlib/libm/math/sf_floor.c b/newlib/libm/math/sf_floor.c index 787f2fd..9264d81 100644 --- a/newlib/libm/math/sf_floor.c +++ b/newlib/libm/math/sf_floor.c @@ -38,14 +38,15 @@ static float huge = 1.0e30; #endif { __int32_t i0,j0; - __uint32_t i; + __uint32_t i,ix; GET_FLOAT_WORD(i0,x); - j0 = ((i0>>23)&0xff)-0x7f; + ix = (i0&0x7fffffff); + j0 = (ix>>23)-0x7f; if(j0<23) { if(j0<0) { /* raise inexact if x != 0 */ if(huge+x>(float)0.0) {/* return 0*sign(x) if |x|<1 */ if(i0>=0) {i0=0;} - else if((i0&0x7fffffff)!=0) + else if(!FLT_UWORD_IS_ZERO(ix)) { i0=0xbf800000;} } } else { @@ -57,7 +58,7 @@ static float huge = 1.0e30; } } } else { - if(j0==0x80) return x+x; /* inf or NaN */ + if(!FLT_UWORD_IS_FINITE(ix)) return x+x; /* inf or NaN */ else return x; /* x is integral */ } SET_FLOAT_WORD(x,i0); |