From b4ba2fce4bfd666a06a848b2704d6fff25d03904 Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Sun, 11 Dec 2011 14:37:57 -0500
Subject: [PATCH] Fixed a bug which triggered when using variable length
 matrices as the feature vector type.

---
 dlib/svm/structural_svm_assignment_problem.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlib/svm/structural_svm_assignment_problem.h b/dlib/svm/structural_svm_assignment_problem.h
index 3fa6fb16c..7462a43a0 100644
--- a/dlib/svm/structural_svm_assignment_problem.h
+++ b/dlib/svm/structural_svm_assignment_problem.h
@@ -94,6 +94,7 @@ namespace dlib
         ) const 
         {
             typename feature_extractor::feature_vector_type feats;
+            psi.set_size(fe.num_features());
             psi = 0;
             for (unsigned long i = 0; i < sample.first.size(); ++i)
             {