DataRoot.scala

package rkhs

import breeze.linalg._

import various.TypeDef._

/**
 * Definition of traits to encapsulate container types, and avoid type erasure in pattern matching (in function detectDenseVectorType for example).
 * Note that any type of containers could be used, not just DenseVector, because the data container is not specified in DataRoot, but in the derived
 * types.
 */
sealed trait DataRoot {
  val typeName: String
  def nPoint: Index
}

object DataRoot {
  case class RealVal(val data: DenseVector[Real]) extends DataRoot { // because case class Real will not work, it will replace definition of Real in this file
    val typeName = "Real"
    def nPoint: Index = data.size
  }

  case class VectorReal(val data: DenseVector[DenseVector[Real]]) extends DataRoot {
    val typeName = "VectorReal"
    def nPoint: Index = data.size
  }

  case class MatrixReal(val data: DenseVector[DenseMatrix[Real]]) extends DataRoot {
    val typeName = "Matrix of Real"
    def nPoint: Index = data.size
  }
}