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breeze.linalg.Broadcasted.scala Maven / Gradle / Ivy
package breeze.linalg
import breeze.linalg.support._
/**
* TODO
*
* @author dlwh
**/
trait Broadcasted[+T, B] extends NumericOps[Broadcasted[T, B]] {
def underlying: T
}
trait BroadcastedLike[T, B, Self <: Broadcasted[T, B]] extends Broadcasted[T, B] with NumericOps[Self] {
def map[U, Res](f: B=>U)(implicit cmv: CanMapValues[Self, B, U, Res]):Res = {
cmv(repr, f)
}
def foreach[U](f: B=>U)(implicit cmv: CanForeachValues[Self, B]):Unit = {
cmv.foreach(repr, f)
}
}
class Broadcaster
object * extends Broadcaster
object Broadcaster {
implicit def canBroadcastSliceColumns[From, Slice1, To, Col]
(implicit cs2_:: : CanSlice2[From, Slice1, ::.type, To],
handhold: CanCollapseAxis.HandHold[From, Axis._0.type, Col]): CanSlice2[From, Slice1, *.type, BroadcastedColumns[To, Col]] = {
new CanSlice2[From, Slice1, *.type, BroadcastedColumns[To, Col]] {
def apply(from: From, slice: Slice1, slice2: *.type): BroadcastedColumns[To, Col] = {
BroadcastedColumns(cs2_::(from, slice, ::))
}
}
}
implicit def canBroadcastColumns[From, Slice1, Col]
(implicit handhold: CanCollapseAxis.HandHold[From, Axis._0.type, Col])
: CanSlice2[From, ::.type, *.type, BroadcastedColumns[From, Col]] = {
new CanSlice2[From, ::.type, *.type, BroadcastedColumns[From, Col]] {
def apply(from: From, slice: ::.type, slice2: *.type): BroadcastedColumns[From, Col] = {
BroadcastedColumns(from)
}
}
}
implicit def canBroadcastSliceRows[From, Slice1, To, Row]
(implicit cs2_:: : CanSlice2[From, ::.type, Slice1, To],
handhold: CanCollapseAxis.HandHold[From, Axis._1.type, Row]): CanSlice2[From, *.type, Slice1, BroadcastedRows[To, Row]] = {
new CanSlice2[From, *.type, Slice1, BroadcastedRows[To, Row]] {
def apply(from: From, slice2: *.type, slice: Slice1): BroadcastedRows[To, Row] = {
BroadcastedRows(cs2_::(from, ::, slice))
}
}
}
implicit def canBroadcastRows[From, Slice1, Row](implicit handhold: CanCollapseAxis.HandHold[From, Axis._1.type, Row]): CanSlice2[From, *.type, ::.type, BroadcastedRows[From, Row]] = {
new CanSlice2[From, *.type, ::.type, BroadcastedRows[From, Row]] {
def apply(from: From, slice2: *.type, slice: ::.type): BroadcastedRows[From, Row] = {
BroadcastedRows(from)
}
}
}
}
