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Created February 25, 2016 09:17
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case class Power(first: Component, second: Component) extends Component {
override def toTree(implicit c: blackbox.Context): c.Tree = {
import c.universe._
q"Math.pow(${first.toTree}, ${second.toTree})"
override def derive: Component = this match {
case Power(Variable(_), DoubleConstant(b)) =>
Multiply(second, Power(first, DoubleConstant(b - 1)))
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