From 63a2468f193ebc657a292a5036468564342ee0d2 Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Fri, 8 Jan 2010 00:36:00 +0000
Subject: [PATCH] Changed code to avoid compiler warning in gcc.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403370
---
 dlib/svm/empirical_kernel_map.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlib/svm/empirical_kernel_map.h b/dlib/svm/empirical_kernel_map.h
index f371d934d..f26fa34ff 100644
--- a/dlib/svm/empirical_kernel_map.h
+++ b/dlib/svm/empirical_kernel_map.h
@@ -124,7 +124,7 @@ namespace dlib
 
 
             // now count how many elements of W are non-zero
-            const long num_not_zero = sum(W>eps);
+            const long num_not_zero = static_cast<long>(sum(W>eps));
 
             // Really, this should never happen.  But I'm checking for good measure.
             if (num_not_zero == 0)