aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/fpu/softfloat.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 38a5e99..3ff5215 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -466,7 +466,7 @@ static inline int float32_is_zero_or_denormal(float32 a)
static inline bool float32_is_normal(float32 a)
{
- return ((float32_val(a) + 0x00800000) & 0x7fffffff) >= 0x01000000;
+ return (((float32_val(a) >> 23) + 1) & 0xff) >= 2;
}
static inline bool float32_is_denormal(float32 a)
@@ -622,7 +622,7 @@ static inline int float64_is_zero_or_denormal(float64 a)
static inline bool float64_is_normal(float64 a)
{
- return ((float64_val(a) + (1ULL << 52)) & -1ULL >> 1) >= 1ULL << 53;
+ return (((float64_val(a) >> 52) + 1) & 0x7ff) >= 2;
}
static inline bool float64_is_denormal(float64 a)
@@ -940,6 +940,16 @@ static inline int float128_is_zero_or_denormal(float128 a)
return (a.high & 0x7fff000000000000LL) == 0;
}
+static inline bool float128_is_normal(float128 a)
+{
+ return (((a.high >> 48) + 1) & 0x7fff) >= 2;
+}
+
+static inline bool float128_is_denormal(float128 a)
+{
+ return float128_is_zero_or_denormal(a) && !float128_is_zero(a);
+}
+
static inline int float128_is_any_nan(float128 a)
{
return ((a.high >> 48) & 0x7fff) == 0x7fff &&