Various corrections:

Wolfgang added to AUTHORS.txt
    PhenomX4 target added
    profiles version updated
    slightly enhanced Dark theme
    --large-adress-aware included in the example cmake option file

rtengine/klt/pyramid.h

@@ -0,0 +1,32 @@
+/*********************************************************************
+ * pyramid.h
+ *********************************************************************/
+
+#ifndef _PYRAMID_H_
+#define _PYRAMID_H_
+
+#include "klt_util.h"
+
+typedef struct  {
+  int subsampling;
+  int nLevels;
+  _KLT_FloatImage *img;
+  int *ncols, *nrows;
+}  _KLT_PyramidRec, *_KLT_Pyramid;
+
+
+_KLT_Pyramid _KLTCreatePyramid(
+  int ncols,
+  int nrows,
+  int subsampling,
+  int nlevels);
+
+void _KLTComputePyramid(
+  _KLT_FloatImage floatimg, 
+  _KLT_Pyramid pyramid,
+  float sigma_fact);
+
+void _KLTFreePyramid(
+  _KLT_Pyramid pyramid);
+
+#endif