From 4ad15ada1713f8bfd8aed4d48aadf9936e6d61d1 Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Wed, 6 Jan 2021 18:46:42 +0100
Subject: Report stall to cerr instead of cout.

---
 langevin.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/langevin.cpp b/langevin.cpp
index fa737cf..1b328b6 100644
--- a/langevin.cpp
+++ b/langevin.cpp
@@ -57,7 +57,7 @@ std::tuple<double, Vector> gradientDescent(const Tensor& J, const Vector& z0, do
     }
 
     if (γ < 1e-15) {
-      std::cout << "Gradient descent stalled." << std::endl;
+      std::cerr << "Gradient descent stalled." << std::endl;
       exit(1);
     }
   }
-- 
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