Files
icicle/wrappers/golang/core/utils.go
2024-02-22 20:52:48 +02:00

27 lines
573 B
Go

package core
import (
"encoding/binary"
)
func ConvertUint32ArrToUint64Arr(arr32 []uint32) []uint64 {
arr64 := make([]uint64, len(arr32)/2)
for i := 0; i < len(arr32); i += 2 {
arr64[i/2] = (uint64(arr32[i]) << 32) | uint64(arr32[i+1])
}
return arr64
}
func ConvertUint64ArrToUint32Arr(arr64 []uint64) []uint32 {
arr32 := make([]uint32, len(arr64)*2)
for i, v := range arr64 {
b := make([]byte, 8)
binary.LittleEndian.PutUint64(b, v)
arr32[i*2] = binary.LittleEndian.Uint32(b[0:4])
arr32[i*2+1] = binary.LittleEndian.Uint32(b[4:8])
}
return arr32
}