From 353e8859083527e17d1f834704027c73a3d653da Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Mon, 17 Mar 2014 18:24:41 -0400
Subject: [PATCH] Fixed a bug in the backtracking_line_search() function
 pointed out by Ping-Chang Shih.  The function ignored the max_iter parameter.

---
 dlib/optimization/optimization_line_search.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlib/optimization/optimization_line_search.h b/dlib/optimization/optimization_line_search.h
index 7968e4d2c..3a4a4f280 100644
--- a/dlib/optimization/optimization_line_search.h
+++ b/dlib/optimization/optimization_line_search.h
@@ -512,7 +512,7 @@ namespace dlib
         unsigned long iter = 0;
         while (true)
         {
-            ++max_iter;
+            ++iter;
             const double val = f(alpha);
             if (val <= f0 + alpha*rho*d0 || iter >= max_iter)
             {