grokify/mogo

package ratio

// RatioInt generates the missing value in a ratio calculation.
// Missing number should be in second set of coordinates.
func RatioInt(x1, y1, x2, y2 int) (int, int) {
    if x2 > 0 && y2 > 0 {
        return x2, y2
    } else if x2 <= 0 && y2 <= 0 {
        return x1, y1
    } else if x2 <= 0 {
        return int((float64(x1) / float64(y1)) * float64(y2)), y2
    } else if y2 <= 0 {
        return x2, int((float64(y1) / float64(x1)) * float64(x2))
    }
    return x2, y2
}