From eba14d944e7029d4f62b364816f0cc2599c661b0 Mon Sep 17 00:00:00 2001
From: Ernesto Tapia <ernesto.tapia@fu-berlin.de>
Date: Fri, 12 Feb 2016 14:51:03 +0100
Subject: [PATCH 1/2] Using general matrix type in the argument of
 qr_decomposition::get_q

---
 dlib/matrix/matrix_qr.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlib/matrix/matrix_qr.h b/dlib/matrix/matrix_qr.h
index e63c8f320..086d481f1 100644
--- a/dlib/matrix/matrix_qr.h
+++ b/dlib/matrix/matrix_qr.h
@@ -62,8 +62,9 @@ namespace dlib
         const matrix_type get_q (
         ) const;
 
+        template <typename T, long R, long C, typename MM, typename L>
         void get_q (
-            matrix_type& Q
+            matrix<T,R,C,MM,L>& Q
         ) const;
 
         template <typename EXP>
@@ -270,9 +271,10 @@ namespace dlib
 // ----------------------------------------------------------------------------------------
 
     template <typename matrix_exp_type>
+    template <typename T, long R, long C, typename MM, typename L>
     void qr_decomposition<matrix_exp_type>::
     get_q(
-        matrix_type& X
+        matrix<T,R,C,MM,L>& X
     ) const
     {
 #ifdef DLIB_USE_LAPACK

From e553b0fc625004ec35c568c7d013009b7bc79c58 Mon Sep 17 00:00:00 2001
From: Ernesto Tapia <ernesto.tapia@fu-berlin.de>
Date: Fri, 12 Feb 2016 16:59:07 +0100
Subject: [PATCH 2/2] Test orthogonalize.

---
 dlib/test/matrix4.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dlib/test/matrix4.cpp b/dlib/test/matrix4.cpp
index dd63940ed..5c4cc925c 100644
--- a/dlib/test/matrix4.cpp
+++ b/dlib/test/matrix4.cpp
@@ -631,6 +631,16 @@ namespace
                 3,3,3;
             DLIB_TEST(upperbound(m,3) == M);
         }
+        
+        {
+            matrix<double,9,5> A = randm(9,5);
+            matrix<double> B = A;
+            
+            orthogonalize(A);
+            orthogonalize(B);
+            
+            DLIB_TEST(equal(A,B));
+        }
     }