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package util
import (
"encoding/binary"
"math"
)
func Float32ToUint16 ( order binary . ByteOrder , val float32 ) [ ] uint16 {
bs := Float32ToBytes ( order , val )
return BytesToUint16 ( order , bs )
}
func Float32ToBytes ( order binary . ByteOrder , val float32 ) [ ] byte {
bits := math . Float32bits ( val )
bs := make ( [ ] byte , 4 )
order . PutUint32 ( bs , bits )
return bs
}
// BytesToUint16 转换byte数组到uint16数组，
func BytesToUint16 ( byteOrder binary . ByteOrder , bytes [ ] byte ) [ ] uint16 {
values := make ( [ ] uint16 , len ( bytes ) / 2 )
for i := range values {
values [ i ] = byteOrder . Uint16 ( bytes [ i * 2 : ( i + 1 ) * 2 ] )
}
return values
}
// Uint16ToBytes 转换uint16数组到byte数组，
func Uint16ToBytes ( byteOrder binary . ByteOrder , values [ ] uint16 ) [ ] byte {
bytes := make ( [ ] byte , len ( values ) * 2 )
for i , value := range values {
byteOrder . PutUint16 ( bytes [ i * 2 : ( i + 1 ) * 2 ] , value )
}
return bytes
}
// BitAtPosition 获取某字节指定 位 的值
func BitAtPosition ( value uint8 , pos uint ) uint8 {
return ( value >> pos ) & 0x01
}