Mikhail Glukhikh
14 lines
390 B
Kotlin
Vendored
14 lines
390 B
Kotlin
Vendored
fun minBiRoot(a: Double, b: Double, c: Double): Double {
|
|
if (a == 0.0) {
|
|
if (b == 0.0) return 1.0
|
|
val bc = -c / b
|
|
if (bc < 0.0) return 2.0
|
|
return -bc
|
|
}
|
|
val d = b * b - 4 * a * c
|
|
if (d < 0.0) return 3.0
|
|
val y1 = (-b + d) / (2 * a)
|
|
val y2 = (-b - d) / (2 * a)
|
|
val y3 = if (y1 > y2) y1 else y2
|
|
return if (y3 < 0.0) 4.0 else -y3
|
|
} |