package main
import (
"fmt"
)
// combineTwo32bit combines two uint32 values (high and low)
// into one uint64 value.
//
// Explanation:
// - The high 32 bits are shifted left by 32 positions.
// - The low 32 bits are OR'ed into the lower half.
// - Casting to uint64 before shifting is required to avoid overflow.
func combineTwo32bit(high, low uint32) uint64 {
return (uint64(high) << 32) | uint64(low)
}
// printHex64 prints a uint64 value in uppercase hexadecimal
// with a leading "0x" prefix.
func printHex64(v uint64) {
fmt.Printf("0x%016X\n", v)
}
func main() {
// Example values
high := uint32(0x11223344)
low := uint32(0x55667788)
combined := combineTwo32bit(high, low)
fmt.Printf("High 32 bits: 0x%08X\n", high)
fmt.Printf("Low 32 bits: 0x%08X\n", low)
fmt.Print("Combined 64-bit value: ")
printHex64(combined)
}
/*
run:
High 32 bits: 0x11223344
Low 32 bits: 0x55667788
Combined 64-bit value: 0x1122334455667788
*/
