final case class KahanSum(sum: Double = 0, c: Double = 0) extends Product with Serializable

Aggregator state.

sum

the accumulator

c

a running compensation for lost low-order bits

Note

cannot use generics for double vs float due to perf: https://stackoverflow.com/questions/4753629/how-do-i-make-a-class-generic-for-all-numeric-types

Linear Supertypes
Serializable, Serializable, Product, Equals, AnyRef, Any
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  1. KahanSum
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Instance Constructors

  1. new KahanSum(sum: Double = 0, c: Double = 0)

    sum

    the accumulator

    c

    a running compensation for lost low-order bits

Value Members

  1. def +(other: KahanSum): KahanSum
  2. def +(x: Double): KahanSum
  3. val c: Double
  4. val sum: Double
  5. def toDouble: Double