Merging upstream version 1.44.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/ml/dlib/dlib/svm/null_trainer.h b/ml/dlib/dlib/svm/null_trainer.h
new file mode 100644
index 000000000..015b00c15
--- /dev/null
+++ b/ml/dlib/dlib/svm/null_trainer.h
@@ -0,0 +1,61 @@
+// Copyright (C) 2009  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#ifndef DLIB_NULL_TRAINERs_H_
+#define DLIB_NULL_TRAINERs_H_
+
+#include "null_trainer_abstract.h"
+#include "../algs.h"
+#include "function_abstract.h"
+
+namespace dlib
+{
+
+// ----------------------------------------------------------------------------------------
+
+    template <
+        typename dec_funct_type 
+        >
+    class null_trainer_type
+    {
+    public:
+        typedef typename dec_funct_type::kernel_type kernel_type;
+        typedef typename dec_funct_type::scalar_type scalar_type;
+        typedef typename dec_funct_type::sample_type sample_type;
+        typedef typename dec_funct_type::mem_manager_type mem_manager_type;
+        typedef dec_funct_type trained_function_type;
+
+        null_trainer_type (
+        ){}
+
+        null_trainer_type (
+            const dec_funct_type& dec_funct_
+        ) : dec_funct(dec_funct_) {}
+
+        template <
+            typename in_sample_vector_type,
+            typename in_scalar_vector_type
+            >
+        const dec_funct_type& train (
+            const in_sample_vector_type& ,
+            const in_scalar_vector_type& 
+        ) const { return dec_funct; }
+
+    private:
+        dec_funct_type dec_funct;
+    }; 
+
+// ----------------------------------------------------------------------------------------
+
+    template <
+        typename dec_funct_type
+        >
+    const null_trainer_type<dec_funct_type> null_trainer (
+        const dec_funct_type& dec_funct
+    ) { return null_trainer_type<dec_funct_type>(dec_funct); }
+
+// ----------------------------------------------------------------------------------------
+
+}
+
+#endif // DLIB_NULL_TRAINERs_H_
+