From 7399f76eb526c5abafb3f8cafb947de7da7e3c43 Mon Sep 17 00:00:00 2001
From: edwin <edwin@lustlab.net>
Date: Mon, 4 Nov 2019 10:40:29 +0100
Subject: [PATCH] Reduce public api of orx-gradient-descent

---
 orx-gradient-descent/src/main/kotlin/GradientDescent.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/orx-gradient-descent/src/main/kotlin/GradientDescent.kt b/orx-gradient-descent/src/main/kotlin/GradientDescent.kt
index a1b325be..f4bbf713 100644
--- a/orx-gradient-descent/src/main/kotlin/GradientDescent.kt
+++ b/orx-gradient-descent/src/main/kotlin/GradientDescent.kt
@@ -89,9 +89,9 @@ private fun norm2(x: DoubleArray): Double {
     return sqrt(x.sumByDouble { it * it })
 }
 
-fun dot(x: DoubleArray, y: DoubleArray): Double = (x.mapIndexed { index, it -> it * y[index] }).sum()
+private fun dot(x: DoubleArray, y: DoubleArray): Double = (x.mapIndexed { index, it -> it * y[index] }).sum()
 
-fun dot(x: Array<DoubleArray>, y: DoubleArray): DoubleArray = DoubleArray(x.size) { dot(x[it], y) }
+private fun dot(x: Array<DoubleArray>, y: DoubleArray): DoubleArray = DoubleArray(x.size) { dot(x[it], y) }
 
 class MinimizationResult(val solution: DoubleArray, val value: Double, val gradient: DoubleArray,
                          val inverseHessian: Array<DoubleArray>, val iterations: Int)