diff options
| -rw-r--r-- | fpu/softfloat-native.c | 26 | ||||
| -rw-r--r-- | fpu/softfloat-native.h | 3 |
2 files changed, 29 insertions, 0 deletions
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c index 50355a4c3f..88486511ee 100644 --- a/fpu/softfloat-native.c +++ b/fpu/softfloat-native.c @@ -263,6 +263,15 @@ int float32_is_quiet_nan( float32 a1 ) return ( 0xFF800000 < ( a<<1 ) ); } +int float32_is_any_nan( float32 a1 ) +{ + float32u u; + uint32_t a; + u.f = a1; + a = u.i; + return (a & ~(1 << 31)) > 0x7f800000U; +} + /*---------------------------------------------------------------------------- | Software IEC/IEEE double-precision conversion routines. *----------------------------------------------------------------------------*/ @@ -422,6 +431,16 @@ int float64_is_quiet_nan( float64 a1 ) } +int float64_is_any_nan( float64 a1 ) +{ + float64u u; + uint64_t a; + u.f = a1; + a = u.i; + + return (a & ~(1ULL << 63)) > LIT64 (0x7FF0000000000000 ); +} + #ifdef FLOATX80 /*---------------------------------------------------------------------------- @@ -511,4 +530,11 @@ int floatx80_is_quiet_nan( floatx80 a1 ) return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) && (uint64_t) ( u.i.low<<1 ); } +int floatx80_is_any_nan( floatx80 a1 ) +{ + floatx80u u; + u.f = a1; + return ((u.i.high & 0x7FFF) == 0x7FFF) && ( u.i.low<<1 ); +} + #endif diff --git a/fpu/softfloat-native.h b/fpu/softfloat-native.h index f497e64239..6afb74a152 100644 --- a/fpu/softfloat-native.h +++ b/fpu/softfloat-native.h @@ -255,6 +255,7 @@ int float32_compare( float32, float32 STATUS_PARAM ); int float32_compare_quiet( float32, float32 STATUS_PARAM ); int float32_is_signaling_nan( float32 ); int float32_is_quiet_nan( float32 ); +int float32_is_any_nan( float32 ); INLINE float32 float32_abs(float32 a) { @@ -375,6 +376,7 @@ INLINE int float64_unordered_quiet( float64 a, float64 b STATUS_PARAM) int float64_compare( float64, float64 STATUS_PARAM ); int float64_compare_quiet( float64, float64 STATUS_PARAM ); int float64_is_signaling_nan( float64 ); +int float64_is_any_nan( float64 ); int float64_is_quiet_nan( float64 ); INLINE float64 float64_abs(float64 a) @@ -492,6 +494,7 @@ int floatx80_compare( floatx80, floatx80 STATUS_PARAM ); int floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM ); int floatx80_is_signaling_nan( floatx80 ); int floatx80_is_quiet_nan( floatx80 ); +int floatx80_is_any_nan( floatx80 ); INLINE floatx80 floatx80_abs(floatx80 a) { |