From c9a203728ce5d3363bda27d9c5dee0ad84996f0d Mon Sep 17 00:00:00 2001
From: Christoph Ruegg <git@cdrnet.ch>
Date: Mon, 22 Jan 2018 19:34:12 +0100
Subject: [PATCH] BUG: Distributions: BetaScaled no longer ignores optional
 random source parameter #547

---
 src/Numerics/Distributions/BetaScaled.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Numerics/Distributions/BetaScaled.cs b/src/Numerics/Distributions/BetaScaled.cs
index 9d234b4b..58eeaa3b 100644
--- a/src/Numerics/Distributions/BetaScaled.cs
+++ b/src/Numerics/Distributions/BetaScaled.cs
@@ -80,7 +80,7 @@ namespace MathNet.Numerics.Distributions
                 throw new ArgumentException(Resources.InvalidDistributionParameters);
             }
 
-            _random = SystemRandomSource.Default;
+            _random = randomSource ?? SystemRandomSource.Default;
             _shapeA = a;
             _shapeB = b;
             _location = location;