diff options
Diffstat (limited to 'newlib/libm/math/sf_isnan.c')
| -rw-r--r-- | newlib/libm/math/sf_isnan.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/newlib/libm/math/sf_isnan.c b/newlib/libm/math/sf_isnan.c index 8fdb6adf2..0b4be3e9c 100644 --- a/newlib/libm/math/sf_isnan.c +++ b/newlib/libm/math/sf_isnan.c @@ -15,7 +15,6 @@ /* * isnanf(x) returns 1 is x is nan, else 0; - * no branching! */ #include "fdlibm.h" @@ -30,8 +29,7 @@ __int32_t ix; GET_FLOAT_WORD(ix,x); ix &= 0x7fffffff; - ix = 0x7f800000 - ix; - return (int)(((__uint32_t)(ix))>>31); + return FLT_UWORD_IS_NAN(ix); } #ifdef _DOUBLE_IS_32BITS |