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package bfloat16
import "unsafe"
type BF16 uint16
func FromBytes(buf []byte) BF16 {
return BF16(uint16(buf[0]) + uint16(buf[1])<<8)
}
func ToBytes(b BF16) []byte {
return []byte{byte(b & 0xFF), byte(b >> 8)}
}
func Decode(buf []byte) []BF16 {
var out []BF16
for i := 0; i < len(buf); i += 2 {
out = append(out, FromBytes(buf[i:]))
}
return out
}
func Encode(f []BF16) []byte {
var out []byte
for _, a := range f {
out = append(out, ToBytes(a)...)
}
return out
}
func DecodeFloat32(buf []byte) []float32 {
var out []float32
for i := 0; i < len(buf); i += 2 {
out = append(out, ToFloat32(FromBytes(buf[i:])))
}
return out
}
func EncodeFloat32(f []float32) []byte {
var out []byte
for _, a := range f {
out = append(out, ToBytes(FromFloat32(a))...)
}
return out
}
func ToFloat32(b BF16) float32 {
u32 := uint32(b) << 16
return *(*float32)(unsafe.Pointer(&u32))
}
func FromFloat32(f float32) BF16 {
u32 := *(*uint32)(unsafe.Pointer(&f))
return BF16(u32 >> 16)
}
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