From 3bbb39f30d423e0889133befa9db2d4b7cb07677 Mon Sep 17 00:00:00 2001
From: Alexander Nozik <altavir@gmail.com>
Date: Sun, 24 Jan 2021 10:26:56 +0300
Subject: [PATCH] cleanup parallel field example

---
 .../kscience/kmath/structures/ParallelRealNDField.kt   | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/examples/src/main/kotlin/kscience/kmath/structures/ParallelRealNDField.kt b/examples/src/main/kotlin/kscience/kmath/structures/ParallelRealNDField.kt
index bce625f7f..e13f5dd47 100644
--- a/examples/src/main/kotlin/kscience/kmath/structures/ParallelRealNDField.kt
+++ b/examples/src/main/kotlin/kscience/kmath/structures/ParallelRealNDField.kt
@@ -12,12 +12,14 @@ import java.util.stream.IntStream
  * A demonstration implementation of NDField over Real using Java [DoubleStream] for parallel execution
  */
 @OptIn(UnstableKMathAPI::class)
-public class StreamRealNDField(
-    shape: IntArray,
-) : BufferedNDField<Double, RealField>(shape, RealField, Buffer.Companion::real),
+class StreamRealNDField(
+    override val shape: IntArray,
+) : NDField<Double, RealField>,
     RingWithNumbers<NDStructure<Double>>,
     ExtendedField<NDStructure<Double>> {
 
+    private val strides = DefaultStrides(shape)
+    override val elementContext: RealField get() = RealField
     override val zero: NDBuffer<Double> by lazy { produce { zero } }
     override val one: NDBuffer<Double> by lazy { produce { one } }
 
@@ -26,7 +28,7 @@ public class StreamRealNDField(
         return produce { d }
     }
 
-    override val NDStructure<Double>.buffer: RealBuffer
+    private val NDStructure<Double>.buffer: RealBuffer
         get() = when {
             !shape.contentEquals(this@StreamRealNDField.shape) -> throw ShapeMismatchException(
                 this@StreamRealNDField.shape,