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-rw-r--r--fpu/softfloat-native.c26
-rw-r--r--fpu/softfloat-native.h3
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)
{