quadratic.go

package main


import (
    "fmt"
    "math"
)


func quadratic(a, b, c float64) (d, e float64) {


    discriminant := math.Pow(b, 2.0) - 4.0*a*c


    divisor := 2.0 * a


    d = (-b + math.Sqrt(discriminant)) / divisor
    e = (-b - math.Sqrt(discriminant)) / divisor
    return
}


func main() {


    // 5x^2 + 6x + 1
    x1, x2 := quadratic(5, 6, 1)


    // -0.2
    fmt.Printf("x1 %f\n", x1)
    // -1
    fmt.Printf("x2 %f\n", x2)
}