From fb49f0ceab5cda672c095bffd3d20f2be67c9323 Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Sun, 3 Jan 2016 12:03:00 -0500
Subject: [PATCH] Fixed a bug where the trainer didn't initialize the solvers
 unless you explicitly gave it a solver.

---
 dlib/dnn/trainer.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlib/dnn/trainer.h b/dlib/dnn/trainer.h
index 1341b8871..2d718739a 100644
--- a/dlib/dnn/trainer.h
+++ b/dlib/dnn/trainer.h
@@ -35,12 +35,12 @@ namespace dlib
         typedef typename net_type::input_type input_type;
 
         dnn_trainer(
-        ) : job_pipe(0)
+        ) : job_pipe(0), solvers(net_type::num_layers)
         {
             init();
         }
 
-        explicit dnn_trainer(const net_type& net_) : job_pipe(0), net(net_)
+        explicit dnn_trainer(const net_type& net_) : job_pipe(0), net(net_), solvers(net_type::num_layers)
         {
             init();
         }