func Sqrt(b float64) float64 {
return float64(C.sqrt(C.double(b)))
}
func Sqrt(p float32) (float32, error) {
result, err := C.sqrt(C.double(p))
return float32(result), err
}
func main() {
C.sayHi()
fmt.Println("sqrt:", C.sqrt(4))
}
