mrkm4ntr

package org.apache.spark.ml.classification

import breeze.linalg.{DenseVector => BDV}
import breeze.numerics.sigmoid
import breeze.optimize.{CachedDiffFunction, DiffFunction, LBFGS}
import org.apache.spark.broadcast.Broadcast
import org.apache.spark.ml.linalg.{BLAS, Vector, Vectors}
import org.apache.spark.ml.param.ParamMap
import org.apache.spark.mllib.util.MLUtils
import org.apache.spark.rdd.RDD

mrkm4ntr

import scalaz._
import Scalaz._

object RPN {
  type DoubleListState[A] = State[List[Double], A]

  def eval(input: String) = {
    def binOp(op: String): Option[(Double, Double) => Double] = op match {
      case "+" => Some(_ + _)
      case "-" => Some(_ - _)