From 6fb3c03e87bb272bb09de237df3bf25491fb1054 Mon Sep 17 00:00:00 2001
From: Iaroslav Postovalov <postovalovya@gmail.com>
Date: Mon, 30 Nov 2020 01:19:27 +0700
Subject: [PATCH] Fix broken APIs in kmath-for-real

---
 .../kotlin/kscience/kmath/real/RealVector.kt           | 10 ++++++++++
 .../kotlin/kaceince/kmath/real/RealVectorTest.kt       |  1 +
 2 files changed, 11 insertions(+)

diff --git a/kmath-for-real/src/commonMain/kotlin/kscience/kmath/real/RealVector.kt b/kmath-for-real/src/commonMain/kotlin/kscience/kmath/real/RealVector.kt
index 33684fc8c..1182d871c 100644
--- a/kmath-for-real/src/commonMain/kotlin/kscience/kmath/real/RealVector.kt
+++ b/kmath-for-real/src/commonMain/kotlin/kscience/kmath/real/RealVector.kt
@@ -3,16 +3,26 @@ package kscience.kmath.real
 import kscience.kmath.linear.Point
 import kscience.kmath.operations.Norm
 import kscience.kmath.structures.Buffer
+import kscience.kmath.structures.RealBuffer
+import kscience.kmath.structures.asBuffer
 import kscience.kmath.structures.asIterable
 import kotlin.math.pow
 import kotlin.math.sqrt
 
 public typealias RealVector = Point<Double>
 
+public inline fun RealVector(size: Int, init: (Int) -> Double): RealVector = RealBuffer(size, init)
+public fun RealVector(vararg doubles: Double): RealVector = RealBuffer(doubles)
+
+public fun DoubleArray.asVector(): RealVector = asBuffer()
+public fun List<Double>.asVector(): RealVector = asBuffer()
+
+
 public object VectorL2Norm : Norm<Point<out Number>, Double> {
     override fun norm(arg: Point<out Number>): Double = sqrt(arg.asIterable().sumByDouble(Number::toDouble))
 }
 
+
 /**
  * Fill the vector of given [size] with given [value]
  */
diff --git a/kmath-for-real/src/commonTest/kotlin/kaceince/kmath/real/RealVectorTest.kt b/kmath-for-real/src/commonTest/kotlin/kaceince/kmath/real/RealVectorTest.kt
index 8a9f7a443..002db935c 100644
--- a/kmath-for-real/src/commonTest/kotlin/kaceince/kmath/real/RealVectorTest.kt
+++ b/kmath-for-real/src/commonTest/kotlin/kaceince/kmath/real/RealVectorTest.kt
@@ -5,6 +5,7 @@ import kscience.kmath.linear.asMatrix
 import kscience.kmath.linear.transpose
 import kscience.kmath.operations.invoke
 import kscience.kmath.real.RealVector
+import kscience.kmath.real.plus
 import kotlin.test.Test
 import kotlin.test.assertEquals