func ApproxEpsilon(x, y float64, eps float64) bool {
	return math.Abs(x-y) < eps*(1.0+math.Max(math.Abs(x), math.Abs(y)))
}
func ApproxEpsilon(x, y float64, eps float64) bool {
	return math.Abs(x-y) < eps*(1.0+math.Max(math.Abs(x), math.Abs(y)))
}
func ApproxEpsilon ( x , y float64 , eps float64 ) bool { return math . Abs ( x - y ) < eps * ( 1.0 + math . Max ( math . Abs ( x ) , math . Abs ( y ) ) ) }
// ApproxEpsilon returns true if x ~= y, using provided epsilon value.
ApproxEpsilon returns true if x ~ = y using provided epsilon value .