diff options
Diffstat (limited to 'libm/s_finitef.c')
| -rw-r--r-- | libm/s_finitef.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libm/s_finitef.c b/libm/s_finitef.c index b7c853d4a..b427ea691 100644 --- a/libm/s_finitef.c +++ b/libm/s_finitef.c @@ -23,8 +23,11 @@ int __finitef(float x) { - int32_t ix; - GET_FLOAT_WORD(ix,x); - return (int)((u_int32_t)((ix&0x7fffffff)-0x7f800000)>>31); + u_int32_t ix; + + GET_FLOAT_WORD(ix, x); + /* Finite numbers have at least one zero bit in exponent. */ + /* All other numbers will result in 0xffffffff after OR: */ + return (ix | 0x807fffff) != 0xffffffff; } libm_hidden_def(__finitef) |