diff options
Diffstat (limited to 'fpu/softfloat-native.c')
| -rw-r--r-- | fpu/softfloat-native.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c index e58551f33..0b24bab32 100644 --- a/fpu/softfloat-native.c +++ b/fpu/softfloat-native.c @@ -250,6 +250,15 @@ int float32_is_signaling_nan( float32 a1) return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF ); } +int float32_is_nan( float32 a1 ) +{ + float32u u; + uint64_t a; + u.f = a1; + a = u.i; + return ( 0xFF800000 < ( a<<1 ) ); +} + /*---------------------------------------------------------------------------- | Software IEC/IEEE double-precision conversion routines. *----------------------------------------------------------------------------*/ |