Hello, Am a newbie to golang, and was trying myself with golang tour.
I was trying https://tour.golang.org/flowcontrol/8 and below is my code snippet for the same package main import ( "fmt" "math" ) func Sqrt(x float64) float64 { z := float64(1) for i := 0; i < 10; i++ { //z = z - (z*z-x)/2*z -- this does not work why ??? z = z - (float64(z*z)-float64(x))/float64(2*z) } return float64(z) } func main() { fmt.Printf("Ans: %0.2f \n", Sqrt(4)) fmt.Printf("math.Sqrt: %0.2f", math.Sqrt(4)) } I assume that all data is handled as float64 only, if you see the commented codes not seem to work especially for simple Sqrt(4) i get an answer of 1.76 instead of 2 ;) .. but after i did the casting to float64(..) it seem to work right.. I am not able to understand why .. any thoughts ? -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
