Just removed double __ from the inclusion guard names.

dlib/svm/assignment_function.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_ASSIGNMENT_FuNCTION_H__
-#define DLIB_ASSIGNMENT_FuNCTION_H__
+#ifndef DLIB_ASSIGNMENT_FuNCTION_Hh_
+#define DLIB_ASSIGNMENT_FuNCTION_Hh_
 
 #include "assignment_function_abstract.h"
 #include "../matrix.h"
@@ -251,5 +251,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_ASSIGNMENT_FuNCTION_H__
+#endif // DLIB_ASSIGNMENT_FuNCTION_Hh_
 

dlib/svm/assignment_function_abstract.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_ASSIGNMENT_FuNCTION_ABSTRACT_H__
-#ifdef DLIB_ASSIGNMENT_FuNCTION_ABSTRACT_H__
+#undef DLIB_ASSIGNMENT_FuNCTION_ABSTRACT_Hh_
+#ifdef DLIB_ASSIGNMENT_FuNCTION_ABSTRACT_Hh_
 
 #include <vector>
 #include "../optimization/max_cost_assignment_abstract.h"
@@ -338,5 +338,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_ASSIGNMENT_FuNCTION_ABSTRACT_H__
+#endif // DLIB_ASSIGNMENT_FuNCTION_ABSTRACT_Hh_
 

dlib/svm/cross_validate_assignment_trainer.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_H__
-#define DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_H__
+#ifndef DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_Hh_
+#define DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_Hh_
 
 #include "cross_validate_assignment_trainer_abstract.h"
 #include <vector>
@@ -177,5 +177,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_H__
+#endif // DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_Hh_
 

dlib/svm/cross_validate_assignment_trainer_abstract.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_ABSTRACT_Hh_
 
 #include <vector>
 #include "../matrix.h"
@@ -64,6 +64,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_ASSiGNEMNT_TRAINER_ABSTRACT_Hh_
 
 

dlib/svm/cross_validate_graph_labeling_trainer.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_H__
-#define DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_H__
+#ifndef DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_Hh_
+#define DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_Hh_
 
 #include "../array.h"
 #include "../graph_cuts/min_cut.h"
@@ -253,6 +253,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_H__
+#endif // DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_Hh_
 
 

dlib/svm/cross_validate_graph_labeling_trainer_abstract.h

 // Copyright (C) 2012  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_ABSTRACT_Hh_
 
 #include "../array/array_kernel_abstract.h"
 #include <vector>
@@ -141,7 +141,7 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_GRAPh_LABELING_TRAINER_ABSTRACT_Hh_
 
 
 

dlib/svm/cross_validate_multiclass_trainer.h

 // Copyright (C) 2010  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_H__
-#define DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_H__
+#ifndef DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_Hh_
+#define DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_Hh_
 
 #include <vector>
 #include "../matrix.h"
@@ -204,5 +204,5 @@ namespace dlib
 
 // ----------------------------------------------------------------------------------------
 
-#endif // DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_H__
+#endif // DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_Hh_
 

dlib/svm/cross_validate_multiclass_trainer_abstract.h

 // Copyright (C) 2010  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_ABSTRACT_Hh_
 
 #include <vector>
 #include "../matrix.h"
@@ -94,6 +94,6 @@ namespace dlib
 
 // ----------------------------------------------------------------------------------------
 
-#endif // DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_MULTICLASS_TRaINER_ABSTRACT_Hh_
 
 

dlib/svm/cross_validate_object_detection_trainer.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_H__
-#define DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_H__
+#ifndef DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_Hh_
+#define DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_Hh_
 
 #include "cross_validate_object_detection_trainer_abstract.h"
 #include <vector>
@@ -413,5 +413,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_H__
+#endif // DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_Hh_
 

dlib/svm/cross_validate_object_detection_trainer_abstract.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_ABSTRACT_Hh_
 
 #include <vector>
 #include "../matrix.h"
@@ -232,6 +232,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_OBJECT_DETECTION_TRaINER_ABSTRACT_Hh_
 
 

dlib/svm/cross_validate_regression_trainer.h

 // Copyright (C) 2010  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_H__
-#define DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_H__
+#ifndef DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_Hh_
+#define DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_Hh_
 
 #include <vector>
 #include "../matrix.h"
@@ -148,6 +148,6 @@ namespace dlib
 
 // ----------------------------------------------------------------------------------------
 
-#endif // DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_H__
+#endif // DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_Hh_
 
 

dlib/svm/cross_validate_regression_trainer_abstract.h

 // Copyright (C) 2010  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_ABSTRACT_Hh_
 
 #include <vector>
 #include "../matrix.h"
@@ -72,7 +72,7 @@ namespace dlib
 
 // ----------------------------------------------------------------------------------------
 
-#endif // DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_REGRESSION_TRaINER_ABSTRACT_Hh_
 
 
 

dlib/svm/cross_validate_sequence_labeler.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_H__
-#define DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_H__
+#ifndef DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_Hh_
+#define DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_Hh_
 
 #include "cross_validate_sequence_labeler_abstract.h"
 #include <vector>
@@ -147,6 +147,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_H__
+#endif // DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_Hh_
 
 

dlib/svm/cross_validate_sequence_labeler_abstract.h

 // Copyright (C) 2011  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_ABSTRACT_Hh_
 
 #include <vector>
 #include "../matrix.h"
@@ -77,7 +77,7 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_SEQUENCE_LABeLER_ABSTRACT_Hh_
 
 
 

dlib/svm/cross_validate_sequence_segmenter.h

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_H__
-#define DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_H__
+#ifndef DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_Hh_
+#define DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_Hh_
 
 #include "cross_validate_sequence_segmenter_abstract.h"
 #include "sequence_segmenter.h"
@@ -182,6 +182,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_H__
+#endif // DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_Hh_
 
 

dlib/svm/cross_validate_sequence_segmenter_abstract.h

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_ABSTRACT_Hh_
 
 #include "sequence_segmenter_abstract.h"
 #include "../matrix.h"
@@ -76,5 +76,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_SEQUENCE_sEGMENTER_ABSTRACT_Hh_
 

dlib/svm/cross_validate_track_association_trainer.h

 // Copyright (C) 2014  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_H__
-#define DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_H__
+#ifndef DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_Hh_
+#define DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_Hh_
 
 #include "cross_validate_track_association_trainer_abstract.h"
 #include "structural_track_association_trainer.h"
@@ -158,6 +158,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_H__
+#endif // DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_Hh_
 
 

dlib/svm/cross_validate_track_association_trainer_abstract.h

 // Copyright (C) 2014  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_ABSTRACT_H__
-#ifdef DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_ABSTRACT_H__
+#undef DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_ABSTRACT_Hh_
+#ifdef DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_ABSTRACT_Hh_
 
 #include "structural_track_association_trainer_abstract.h"
 #include "svm_abstract.h"
@@ -64,6 +64,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_ABSTRACT_H__
+#endif // DLIB_CROSS_VALIDATE_TRACK_ASSOCIATION_TrAINER_ABSTRACT_Hh_
 
 

dlib/svm/krr_trainer.h

 // Copyright (C) 2010  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#ifndef DLIB_KRR_TRAInER_H__
-#define DLIB_KRR_TRAInER_H__
+#ifndef DLIB_KRR_TRAInER_Hh_
+#define DLIB_KRR_TRAInER_Hh_
 
 #include "../algs.h"
 #include "function.h"
@@ -363,6 +363,6 @@ namespace dlib
 
 }
 
-#endif // DLIB_KRR_TRAInER_H__
+#endif // DLIB_KRR_TRAInER_Hh_
 
 

dlib/svm/krr_trainer_abstract.h

 // Copyright (C) 2010  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#undef DLIB_KRR_TRAInER_ABSTRACT_H__
-#ifdef DLIB_KRR_TRAInER_ABSTRACT_H__
+#undef DLIB_KRR_TRAInER_ABSTRACT_Hh_
+#ifdef DLIB_KRR_TRAInER_ABSTRACT_Hh_
 
 #include "../algs.h"
 #include "function_abstract.h"
@@ -318,5 +318,5 @@ namespace dlib
 
 }
 
-#endif // DLIB_KRR_TRAInER_ABSTRACT_H__
+#endif // DLIB_KRR_TRAInER_ABSTRACT_Hh_