From 529a28152f8a034abc9920d8f54778443b960ffc Mon Sep 17 00:00:00 2001
From: Ryan Curtin <ryan@ratml.org>
Date: Wed, 19 Nov 2014 18:52:57 +0000
Subject: [PATCH] Handle setting seed properly for Armadillo RNGs past 3.930.

---
 src/mlpack/core/math/random.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mlpack/core/math/random.hpp b/src/mlpack/core/math/random.hpp
index 1425959f3d..bb4b1f1486 100644
--- a/src/mlpack/core/math/random.hpp
+++ b/src/mlpack/core/math/random.hpp
@@ -49,6 +49,12 @@ inline void RandomSeed(const size_t seed)
 {
   randGen.seed((uint32_t) seed);
   srand((unsigned int) seed);
+#if ARMA_VERSION_MAJOR > 3 || \
+    (ARMA_VERSION_MAJOR == 3 && ARMA_VERSION_MINOR >= 930)
+  // Armadillo >= 3.930 has its own random number generator internally that we
+  // need to set the seed for also.
+  arma::arma_rng::set_seed(seed);
+#endif
 }
 
 /**