IEEE754Go.go

package main

import "fmt"

func main() {
	// Let's prevent compile-time optimization by using variables
	a := 0.1
	b := 0.2
	c := 0.3

	result := a + b
	fmt.Printf("%.20f\n", result)                // 0.30000000000000004440
	fmt.Printf("result == c: %v\n", result == c) // false

	// But direct literals are optimized
	fmt.Printf("(0.1 + 0.2) == 0.3: %v\n", (0.1+0.2) == 0.3) // true
}