diff options
Diffstat (limited to 'include/fpu/softfloat.h')
| -rw-r--r-- | include/fpu/softfloat.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index 8fd9f9bbae..38a5e99cf3 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -464,6 +464,21 @@ static inline int float32_is_zero_or_denormal(float32 a) return (float32_val(a) & 0x7f800000) == 0; } +static inline bool float32_is_normal(float32 a) +{ + return ((float32_val(a) + 0x00800000) & 0x7fffffff) >= 0x01000000; +} + +static inline bool float32_is_denormal(float32 a) +{ + return float32_is_zero_or_denormal(a) && !float32_is_zero(a); +} + +static inline bool float32_is_zero_or_normal(float32 a) +{ + return float32_is_normal(a) || float32_is_zero(a); +} + static inline float32 float32_set_sign(float32 a, int sign) { return make_float32((float32_val(a) & 0x7fffffff) | (sign << 31)); @@ -605,6 +620,21 @@ static inline int float64_is_zero_or_denormal(float64 a) return (float64_val(a) & 0x7ff0000000000000LL) == 0; } +static inline bool float64_is_normal(float64 a) +{ + return ((float64_val(a) + (1ULL << 52)) & -1ULL >> 1) >= 1ULL << 53; +} + +static inline bool float64_is_denormal(float64 a) +{ + return float64_is_zero_or_denormal(a) && !float64_is_zero(a); +} + +static inline bool float64_is_zero_or_normal(float64 a) +{ + return float64_is_normal(a) || float64_is_zero(a); +} + static inline float64 float64_set_sign(float64 a, int sign) { return make_float64((float64_val(a) & 0x7fffffffffffffffULL) |