Made the index outputs of run_multiple_rect_detectors be integers rather than doubles.

tools/python/src/simple_object_detector_py.h

@@ -18,7 +18,7 @@ namespace dlib
         std::vector<rect_detection>& rect_detections,
         std::vector<rectangle>& rectangles,
         std::vector<double>& detection_confidences,
-        std::vector<double>& weight_indices
+        std::vector<unsigned long>& weight_indices
     )
     {
         rectangles.clear();
@@ -40,7 +40,7 @@ namespace dlib
         const unsigned int upsampling_amount,
         const double adjust_threshold,
         std::vector<double>& detection_confidences,
-        std::vector<double>& weight_indices
+        std::vector<unsigned long>& weight_indices
     )
     {
         pyramid_down<2> pyr;
@@ -120,7 +120,7 @@ namespace dlib
         const unsigned int upsampling_amount,
         const double adjust_threshold,
         std::vector<double>& detection_confidences,
-        std::vector<double>& weight_indices
+        std::vector<unsigned long>& weight_indices
     )
     {
         pyramid_down<2> pyr;
@@ -202,7 +202,7 @@ namespace dlib
     )
     {
         std::vector<double> detection_confidences;
-        std::vector<double> weight_indices;
+        std::vector<unsigned long> weight_indices;
         const double adjust_threshold = 0.0;
 
         return run_detector_with_upscale1(detector, img, upsampling_amount,
@@ -219,7 +219,7 @@ namespace dlib
         py::tuple t;
 
         std::vector<double> detection_confidences;
-        std::vector<double> weight_indices;
+        std::vector<unsigned long> weight_indices;
         std::vector<rectangle> rectangles;
 
         rectangles = run_detector_with_upscale1(detector, img, upsampling_amount,
@@ -227,7 +227,8 @@ namespace dlib
                                                 detection_confidences, weight_indices);
 
         return py::make_tuple(rectangles,
-                              detection_confidences, weight_indices);
+                              vector_to_python_list(detection_confidences), 
+                              vector_to_python_list(weight_indices));
     }
 
     inline py::tuple run_multiple_rect_detectors (
@@ -247,7 +248,7 @@ namespace dlib
         }
 
         std::vector<double> detection_confidences;
-        std::vector<double> weight_indices;
+        std::vector<unsigned long> weight_indices;
         std::vector<rectangle> rectangles;
 
         rectangles = run_detectors_with_upscale1(vector_detectors, img, upsampling_amount,
@@ -255,7 +256,8 @@ namespace dlib
                                                 detection_confidences, weight_indices);
 
         return py::make_tuple(rectangles,
-                              detection_confidences, weight_indices);
+                              vector_to_python_list(detection_confidences),
+                              vector_to_python_list(weight_indices));
     }